Exhibit 10.1



LOGO



Marconi Communications, Inc.

5900 Landerbrook Drive  Suite 300

Cleveland, Ohio 44124



CONSENT



Grande Communications, Inc.

401 Carlson Circle

San Marcos, Texas 78666



Attention: William E. Morrow

Vice Chairman & Chief Executive Officer



| | Re: | System Purchase Agreement, dated as of October 29, 2001, by and between Grande Communications, Inc. and Marconi Communications, Inc. (01-355-PUR) (as amended by the Letter
Agreement, dated December 16, 2002, between Grande Communications, Inc. and Marconi Communications, Inc.)
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Ladies and Gentlemen:



Reference is made to that certain agreement listed above (including all exhibits, schedules and amendments thereto, the Existing Agreement) by
and between Grande Communications, Inc. (the Consenting Party) and Marconi Communications, Inc. (MCI). MCI plans to transfer and sell its North American Access Business (the Access Business) to Advanced Fibre
Access Corporation (AFAC), a wholly-owned subsidiary of Advanced Fibre Communications, Inc. (AFC), pursuant to an asset sale and purchase agreement (Purchase Agreement) by and among MCI and certain of its
affiliates and AFC and certain of its affiliates.



By signing
this Consent, the parties hereto agree that:



| | 1) | Consenting Party and MCI are deemed to have entered into a separate agreement for the provision by the Access Business of goods and services to the Consenting Party, with such
separate agreement containing all of the terms and conditions of the Existing Agreement (including, without limitation, the effective date of the Existing Agreement), but applying only with respect to goods and/or services to be provided by the
Access Business and such separate agreement is hereby amended to the extent necessary to achieve such intent (such separate agreement referred to as the New Access Agreement);
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 2) | the New Access Agreement will be assigned (without further notice to Consenting Party) to AFAC on the closing date (the Closing Date) of the transactions under the
Purchase Agreement and such assignment will not be deemed a breach of, or a default under, any change of control provision, assignment provision or any other provision of the New Access Agreement or the Existing Agreement and will not cause a
termination of or otherwise affect the New Access Agreement or the Existing Agreement;
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------





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| | 3) | notwithstanding anything else contained herein, the parties hereto agree that, upon the closing of the Purchase Agreement, the New Access Agreement shall automatically be amended
such that the minimum purchase obligations of the Consenting Party under Section 5.4 of the New Access Agreement shall be as follows for each calendar year listed:
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|           |  |            |  |             |  |             |  |            |  |            
|---------- |  | ---------- |  | ----------- |  | ----------- |  | ---------- |  | -----------
|2004       |  | 2005       |  | 2006        |  | 2007        |  | 2008       |  | Total      
|$4,355,000 |  | $5,650,000 |  | $10,475,000 |  | $11,600,000 |  | $8,350,000 |  | $40,430,000



| | 4) | notwithstanding anything else contained herein, the parties hereto agree that, upon the closing of the Purchase Agreement, the New Access Agreement shall automatically be amended
such that the fourth and fifth sentences of Section 5.4 of the New Access Agreement shall be deleted in their entirety;
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 5) | the parties hereto agree that any purchases of products by the Consenting Party under the Existing Agreement and/or the New Access Agreement from January 1, 2004 through and
including the Closing Date shall be applied to the minimum purchase obligations of the Consenting Party under Section 5.4 of the New Access Agreement;
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 6) | AFAC will assume the obligations under the New Access Agreement to the extent such obligations arise and relate to the period from and after the Closing Date;
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7) | AFC agrees that purchases of any of AFCs products by the Consenting Party may be applied to the minimum purchase obligations of the Consenting Party under Section 5.4 of the
New Access Agreement;
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 8) | the Existing Agreement remains in full force and effect; provided, however, that the Existing Agreement is hereby amended so as to delete the minimum purchase obligations of the
Consenting Party under Section 5.4 of the Existing Agreement; and
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 9) | MCI will continue to be obligated under the Existing Agreement and for obligations under the New Access Agreement relating to the period before the Closing Date.
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------



Please return this Consent to Marconi
Communications, Inc., attention Cynthia S. Jacovetty, General Counsel (via facsimile at (440) 460-3788 or electronic mail to cynthia.jacovetty@marconi.com, in either case with a hard copy by U.S. mail or overnight courier to Marconi Communications,
Inc., 5900 Landerbrook Drive, Suite 300, Cleveland, Ohio, 44124). This Consent shall be effective only upon the closing of the sale of the Access Business as described above.



* * * * *





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If you are in agreement with the foregoing, please execute this Consent in the space provided below. This
Consent may be executed in counterparts, and when so executed each counterpart shall be deemed to be an original, and said counterparts together shall constitute one and the same instrument.



|                             |  |                            |  |                                     |  |        |  |             
|---------------------------- |  | -------------------------- |  | ----------------------------------- |  | ------ |  | ------------
|MARCONI COMMUNICATIONS, INC. |  |                            |  | ADVANCED FIBRE ACCESS CORPORATION  
|                             |  |                            |  |                                    
|By:                          |  | /s/ Cynthia S. Jacovetty   |  |                                     |  | By:    |  | /s/ Amy Paul
|Name:                        |  | Cynthia S. Jacovetty       |  |                                     |  | Name:  |  |             
|Title:                       |  | General Counsel  Americas |  |                                     |  | Title: |  |             
|                             |  |                           
|                             |  |                            |  | ADVANCED FIBRE COMMUNICATIONS, INC.
|                             |  |                            |  |                                    
|                             |  |                            |  |                                     |  | By:    |  | /s/ Amy Paul
|                             |  |                            |  |                                     |  | Name:  |  |             
|                             |  |                            |  |                                     |  | Title: |  |             



Acknowledged and Agreed

This 20thday of Feb, 2004



|                            |  |                       
|--------------------------- |  | ----------------------
|GRANDE COMMUNICATIONS, INC.
|                            | 
|By:                         |  | /s/ Joe C. Ross       
|Name:                       |  | Joe C. Ross           
|Title:                      |  | EVP Network Eng. & Ops





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16 December 2002



Michael English

Vice-President

Marconi Communications, Inc.

2100 Reliance Parkway

Bedford, TX 76021



| | Re: | System Purchase Agreement dated October 29, 2001 (Agreement) between Marconi Communications, Inc. (Marconi) and Grande Communications, Inc.
(Grande)
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------



Dear Mike:



Pursuant to this letter agreement (which includes any exhibits attached
hereto) and per Grandes negotiations with you, William Webb, Tom Myers, Lyle Frank, and Erin Riblet, I am writing to confirm Grandes agreement with Marconi to amend and supercede certain provisions of the Agreement, including, but not
limited to, sections 5 (Pricing) and 13 (General Provisions). Even, though Grande and Marconi contemplate drafting and executing a more detailed amendment to the Agreement to include other items over the next several weeks, the parties have agreed
to the items contained in this letter agreement.



First, the
parties have agreed that for purposes of calculating any monetary commitments under the Agreement, including, without limitation, under sections 5.4 and 13.18, all monetary commitments shall be calculated using calendar years rather than beginning
each new year on October 29th. The parties have also agreed to delete the minimum commitment amounts contained in
the Agreement and replace them with those shown in the chart below. For each calendar year listed, Grande shall be obligated to fulfill its obligations, as amended in this letter agreement, under section 5.4 of the Agreement.



|       |  |      |       |      |   |       |  |      |        |      |   |        |  |       |        |  |   |        |  |   |       
|------ |  | ---- | ----- | ---- | - | ----- |  | ---- | ------ | ---- | - | ------ |  | ----- | ------ |  | - | ------ |  | - | ------
|2002   |  | 2003 |       | 2004 |   | 2005  |  | 2006 |        | 2007 |   | 2008   |  | Total
|$8,000 |  | $    | 7,000 |      | $ | 7,000 |  | $    | 10,000 |      | $ | 15,000 |  | $     | 20,000 |  | $ | 10,000 |  | $ | 77,000



The attached and revised Exhibit B
lists each of the Products, Systems and/or Services that Marconi currently offers for sale to Grande. The revised minimum monetary commitments contained herein are subject to the Access Business Unit (Access Unit) offering each of the
Products, Services, and Systems listed in Exhibit B to Grande under the applicable terms and conditions of the Agreement. In the event that Marconis Access Unit is acquired by a third party or is spun out from Marconi and such Access Unit is
not able to provide each of the Products, Systems or Services listed on Exhibit B consistent with the terms and conditions of the Agreement, then Grande is free to purchase such products, systems, or services from a third party and the applicable
total for such Products, Systems or Services as listed on Exhibit B shall reduce dollar for dollar the minimum monetary commitments set forth above (Reduction).





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Notwithstanding anything to the contrary (a) Marconi acknowledges and agrees that it hereby waives any
and all rights and remedies against Grande for breach, if any, of any minimum monetary commitment under the Agreement, that may have occurred or may occur through the end of calendar year 2002 and (b) except as expressly provided in Section 1(A) of
the revised Exhibit G, attached hereto and incorporated herein and which shall be amended to the Agreement as attached, Grande acknowledges and agrees it hereby waives any and all rights and remedies against Marconi for breach, if any, of Section
9.4 of the original Agreement (Product Enhancements) that may have occurred or will occur through March 31, 2003. Such waivers shall only apply to the specific instances or events waived and shall not act as a waiver of any subsequent instance or
event.



Second, the parties have agreed to revise Exhibit B.
Per the discussions between the parties on and before December 4, 2002, and through this letter agreement, and subject to the Reduction and an adequate agreement covering maintenance, support, warranty, services, and other related issues, between
and among each of the Units, Grande shall make good faith efforts to purchase Marconi BBRS, Outside Plant and Power Products (collectively with the Access Business Unit the Units) through the Access Business Unit; notwithstanding
anything to the contrary any purchases made by Grande from any of the Units shall be applied towards the annual minimum monetary commitment as amended above. The attached Product, Services, and Systems List with corresponding Prices and other terms
specific to the Products being added shall be made part of Exhibit B and all purchases of Products, Systems and/or Services under the Agreement or otherwise from Marconi shall count and be credited towards the minimum purchase amounts defined in
sections 4, 5, and 13.18 of the Agreement, as amended herein. The parties shall also amend Exhibit B, as required, to reflect additional products, systems, or other services that may be added upon mutual agreement of the parties. All Purchases of
the Products, Services and/or Systems made pursuant to this letter or the Agreement, as amended, shall be purchases made under the Agreement, as amended, and the Agreement, as amended, shall control all obligations and rights of the parties. Except
as expressly provided in paragraph three, notwithstanding anything to the contrary, nothing in this letter agreement shall be interpreted as waiving or limiting any rights that Grande may have under the Agreement as it relates to the purchase,
delivery, support, maintenance, repair, or warranty of the Products, Services, or Systems. The parties agree and acknowledge that in the event that the Access Business Unit or any other Marconi Business Unit is transferred, assigned or otherwise
acquired by a third party, except for Products sold by the Access Business Unit, Grande has not waived its ability and right under the Agreement, including, without limitation, under sections 11.5 and 13.18, to purchase third party products, systems
or services that are similar to or competitive with such Products or Systems.



In consideration of the agreements set forth in this letter, but subject to Grandes receipt from Marconi and the Third Party of all reasonably requested information and documents to ensure that the Third Party
is proficient, capable and willing to perform all of Marconis obligations under the Agreement, Grande agrees, without unreasonable delay, to execute and deliver all necessary instruments reasonably requested by Marconi to evidence
Grandes consent to the transfer by Marconi to a third party acquiring the North American Access business (Third

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|1 | All capitalized terms used in this letter have the meanings given to them in the Agreement. The term parties means Grande and Marconi collectively.
|- | -----------------------------------------------------------------------------------------------------------------------------------------------------





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Party) of all of Marconis right, title and interest in, and obligations under the Agreement. If Grande grants
the consent pursuant to the previous sentence, concurrent with the consummation of the transfer contemplated by the previous sentence, Grande shall release Marconi from all obligations under the Agreement but only to the extent that such obligations
have been assumed by the Third Party. Grande will reasonably cooperate in executing and delivering any instruments that Marconi may reasonably request in connection with the transfer of all or any part of Marconis interest in the Loan and
Security Agreement dated as of October 29, 2001, as amended, or the warrant issued in connection therewith.



Marconi and Grande each represent that they each respectively have the full power and authority to enter into this letter agreement and to carry out their
respective obligations hereunder. This letter agreement contains the entire agreement of the parties with respect to the subject matter contained herein and hereby supersedes the Agreement with respect to the subject matter contained herein until
such time as an amendment incorporating the terms of this letter into the Agreement is executed by the parties. In the event of a conflict between this letter agreement and the Agreement, this letter agreement shall prevail. Except as specifically
provided herein, nothing herein should be construed as waiving any rights or remedies available to the parties at law or in equity and this letter shall not be construed as an election of remedies. The parties specifically reserve all rights and
remedies available at law, in equity, or under the terms of the Agreement.



Please sign below to evidence your acceptance of and agreement to this letter and return an original signed copy to me at the address below. If you have any questions regarding the matters set forth herein, please do
not hesitate to contact me directly.



Grande Communications, Inc./s/ William MorrowWilliam MorrowCEODecember 16, 2002




|                            
|----------------------------
|Marconi Communications, Inc.
|                            
|/s/ Michael W. English      
|Signature                   



Michael W. English

Printed Name



Vice President Finance Access Systems

Title



December 13, 2002

Date





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EXHIBIT G



Product Enhancements



|1. | (A) From December 13, 2002 until March 31, 2003, Marconi will provide labor at its costs of two hundred thousand dollars ($200,000), associated with (i) the installation of
Marconis Product to provide a work-around solution at those ONU sites and associated HDT sites requiring the additional capacity associated with enhanced bandwidth management (EBM); or (ii) with any other work-arounds or Product-related issues
that may arise or have arisen during the Term of the Agreement. During this same time, Grande will be responsible for the Product costs associated with providing the work-around at these sites. After March 31, 2003, the cost support as described in
the Agreement, including, without limitation, section 9.4, will apply.
|-- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



(B) Enhanced bandwidth delivery (EBM Product) in General Availability by 3/31/03. This relates to the increase in the line capacity of a single RDT from 672 to 1344 Lines (Mesa 4 cabinet from 1344 to
2688). Cost support by Seller pursuant to Section 9.4 to commence 3/31/03. To date the EBM Product has not been certified or made generally available and has not been accepted or certified by Grande.



|2. | Return test port on OIU79 card via retrofit kit for existing cabinets. Delivery by 12/31/01. This will facilitate RF return path testing without interrupting the return path.
(As of the 12/11/02 revision to this Exhibit, this has been completed.)
|-- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|3. | MarcView integration or enhanced OSS system. Delivery by 1/15/02. MarcView is an OSS product that Marconi has deployed with other products. This will replace the existing DOS based,
command line driven Supervisory System, (As of the 12/11/02 revision to this Exhibit, this has been completed.)
|-- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|4. | Both parties agree to work cooperatively and collaboratively to reach resolution of the material issues listed below. Through such cooperative efforts, both parties agree these
items will be resolved no later than December 31, 2003.
|-- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Optical Degrades



Optical Degrades and
Optical Failures



CPU / DTU Alarms



EOC / TMC Link Drops



Card Failures



Voltage Transient OIU79 Failures





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Notwithstanding anything to the contrary in this letter agreement, the $200,000 labor cost that Marconi has agreed to in
section 1(A) of this exhibit does not in any way limit, or in any way effect, the delivery, support, maintenance, repair, or warranty of any of the Current Issues.





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ADD REVISED EXHIBIT B





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Marconi Agr. No. 01-355-PUR



SYSTEM PURCHASE AGREEMENT



This System Purchase Agreement (this Agreement) is made as of the 29 day of October, 2001, by and between Grande Communications, Inc., a Texas corporation located at 401 Carlson Cr. San Marcos, TX. 78666 (Buyer) and Marconi
Communications, Inc., a Delaware corporation with a place of business at 5900 Landerbrook Drive, Suite 300, Cleveland, Ohio 44124 (Seller) (Buyer and Seller are sometimes individually referred to herein as a
Party and collectively as the Parties).



This System Purchase Agreement consists of the Terms and Conditions as well as the following exhibits:



|1. | Applicable Exhibits:
|-- | --------------------



Exhibit A  Specifications



Exhibit B  System Product List and Price List



Exhibit C  Technical Documentation



Exhibit D  Support and Maintenance



Exhibit E  Out-of-Warranty Repairs



Exhibit F  Training



Exhibit G  Product Enhancements



Exhibit H  Recommended Spare Parts List



Exhibit I  Grande 5 Year Product Requirements



|2. | Number of Pages in this Agreement (excluding Exhibits): 14
|-- | ----------------------------------------------------------



The Seller and Buyer acknowledge that they have read and fully understand this Agreement and hereby agree to the terms of this Agreement.



|                                    |  |                                |  |                                    |  |            |  |                        
|----------------------------------- |  | ------------------------------ |  | ---------------------------------- |  | ---------- |  | -----------------------
|SIGNED FOR AND ON BEHALF OF SELLER: |  |                                |  | SIGNED FOR AND ON BEHALF OF BUYER:
|                                    |  |                                |  |                                   
|MARCONI COMMUNICATIONS, INC.        |  |                                |  | GRANDE COMMUNICATIONS, INC.       
|                                    |  |                                |  |                                   
|Signature:                          |  | /s/ Valerie Gentile Sachs      |  |                                    |  | Signature: |  | /s/ William E. Morrow  
|                                    |  |                                |  |                                   
|Name:                               |  | VALERIE GENTILE SACHS          |  |                                    |  | Name:      |  | William E. Morrow      
|                                    |  |                                |  |                                   
|Title:                              |  | EVP & GENERAL COUNSEL-AMERICAS |  |                                    |  | Title:     |  | Chief Executive Officer
|                                    |  |                                |  |                                   
|Date:                               |  | 10 - 29 - 01                   |  |                                    |  | Date:      |  | 10/29/01               



- 1 -



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Marconi Agr. No. 01-355-PUR



SYSTEM PURCHASE AGREEMENT



This System Purchase Agreement (this Agreement) is made as of the  day of , 2001, by and
between Grande Communications, Inc., a Texas corporation located at 401 Carlson Cr. San Marcos, TX. 78666 (Buyer) and Marconi Communications, Inc., a Delaware corporation with a place of business at 5900 Landerbrook Drive, Suite
300, Cleveland, Ohio 44124 (Seller) (Buyer and Seller are sometimes individually referred to herein as a Party and collectively as the Parties).



This System Purchase Agreement consists of the Terms and Conditions as well as the
following exhibits:





|1. | Applicable Exhibits:
|-- | --------------------



Exhibit A  Specifications



Exhibit B  System Product List and Price List



Exhibit C  Technical Documentation



Exhibit D  Support and Maintenance



Exhibit E  Out-of-Warranty Repairs



Exhibit F  Training



Exhibit G  Product Enhancements



Exhibit H  Recommended Spare Parts List



Exhibit I  Grande 5 Year Product Requirements



|2. | Number of Pages in this Agreement (excluding Exhibits): 14
|-- | ----------------------------------------------------------



The Seller and Buyer acknowledge that they have read and fully understand this Agreement and hereby agree to the terms of this Agreement.



|                                    |  |                                |  |                                    |  |            |  | 
|----------------------------------- |  | ------------------------------ |  | ---------------------------------- |  | ---------- |  | 
|SIGNED FOR AND ON BEHALF OF SELLER: |  |                                |  | SIGNED FOR AND ON BEHALF OF BUYER:
|                                    |  |                                |  |                                   
|MARCONI COMMUNICATIONS, INC.        |  |                                |  | GRANDE COMMUNICATIONS, INC.       
|                                    |  |                                |  |                                   
|Signature:                          |  | /s/ Valerie Gentile Sachs      |  |                                    |  | Signature: |  | 
|                                    |  |                                |  |                                   
|Name:                               |  | VALERIE GENTILE SACHS          |  |                                    |  | Name:      |  | 
|                                    |  |                                |  |                                   
|Title:                              |  | EVP & GENERAL COUNSEL-AMERICAS |  |                                    |  | Title:     |  | 
|                                    |  |                                |  |                                   
|Date:                               |  | 10 - 29 - 01                   |  |                                    |  | Date:      |  | 



- 1 -



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TERMS AND CONDITIONS



Seller designs, manufactures and distributes certain telecommunications systems and products, and Buyer desires to purchase such systems and
products pursuant to the terms and conditions of this Agreement.



NOW THEREFORE
in consideration of the mutual promises and covenants contained herein, and for other good and valuable consideration (the adequacy and sufficiency of which are hereby acknowledged) and intending to be legally bound hereby, the Parties agree as
follows:



|1. | DEFINITIONS
|-- | -----------



| | 1.1. | Documentation shall mean all manuals and documentation related to any Product or System that are normally shipped along with the Product or System by Seller with
respect to use, installation or maintenance of any Product or System as set forth in Exhibit C.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.2. | Forecast shall mean a non-binding written forecast of Buyers expected purchase requirements for the Systems and Products as mutually agreed by Seller and
Buyer.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.3. | Loan and Security Agreement shall mean the Loan and Security Agreement as executed, among Grande Communications Holdings, Inc., Grande Communications, Inc. and
Grande Communications Networks, Inc.; each financial institution or entity listed on the signature pages as a Lender, including NTFC Capital Corporation and Marconi Finance Inc., and the other entities who may become parties as
successors or assigns as provided; and General Electric Capital Corporation.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.4. | Prices shall mean the prices for the Products set forth in Exhibit B as may be amended from time to time by mutual written agreement.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------



| | 1.5. | Products shall mean those products, including hardware and software, and any System, listed in the Product List, attached hereto and made a part hereof as Exhibit
B as amended from time to time upon the mutual written agreement of the Parties and shall include all upgrades and modifications to the Products developed during the Term of this Agreement which are made available to Sellers other commercial
customers purchasing similar volumes of Products.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.6. | Purchase Order shall mean a written order issued by Buyer from time to time for the purchase of Products and Systems from Seller pursuant to this Agreement.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.7 | Scheduled Shipment Date shall mean the shipment date set forth in Sellers acknowledgment of an accepted Purchase Order.
| | --- | --------------------------------------------------------------------------------------------------------------------------



| | 1.8 | Services shall mean Sellers training and in-warranty maintenance and repair services. Any engineering, installation, post warranty maintenance and repair
services or other services provided by Seller shall be pursuant to specific terms and conditions to be mutually agreed in an addendum to this agreement.
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.9 | Specifications shall mean the specifications for the Products and Systems to be sold to Buyer hereunder set forth in the Specifications attached hereto and made a
part hereof as Exhibit A as amended from time to time upon the mutual written agreement of the Parties.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.10 | Systems shall mean those systems, including hardware and software, described in Exhibit B as amended from time to time upon the mutual written agreement of the
Parties, and shall include all upgrades and modifications to the System developed during the Term of this Agreement which are made available to Sellers other commercial customers purchasing similar volumes of Products.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 1.11 | Term shall mean the term of this Agreement as set forth in Section 12.1 hereof.
| | ---- | ---------------------------------------------------------------------------------



- 2 -



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|2. | SALE OF PRODUCTS AND SYSTEMS
|-- | ----------------------------



| | 2.1 | Agreement to Sell.In accordance with the terms and conditions of this Agreement, Seller agrees to sell the Products and Systems, more specifically listed in Exhibit B to
this Agreement, to Buyer and to fill all Purchase Orders for such Products and Systems received by Seller from time to time.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 2.2 | Inspection.With five (5) days written notice, Buyer and Seller shall schedule a mutually convenient time within fourteen (14) days from the date of Sellers receipt of
the notice, so that a Buyer representative may, during normal business hours, enter Sellers manufacturing facility, for the purpose of reviewing such manufacturing facility, Product testing, and quality control. Seller agrees to use good faith
reasonable commercial efforts to obtain approval for Buyer to review Sellers subcontract manufacturers facilities.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|3. | FORECASTS
|-- | ---------



| | 3.1 | Forecasts.Upon execution of this Agreement and within thirty (30) days following each calendar quarter during the Term of this Agreement, Buyer shall provide Seller with a
monthly Forecast for the ensuing twelve (12) month period in the format as mutually agreed between Seller and Buyer. Seller shall utilize the forecast for its internal material planning requirements and to manufacture Products and Systems to be
purchased by Buyer pursuant to this Agreement. The Forecast shall represent Buyers best estimate of its projected purchasing requirements based on the information then available to Buyer, but, except as otherwise provided in this Agreement,
Buyer shall have no obligation to purchase the number of units set forth in the Forecast.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 3.2 | Profile of Product Requirements.Attached as Exhibit I is a profile of Buyers forecasted Product requirements for the next five (5) years (Profile of Product
Requirements). The Profile of Product Requirements shall represent Buyers best estimate of its projected purchasing requirements based on the information then available to Buyer, but, except as otherwise provided in this Agreement, Buyer
shall have no obligation to purchase the number of units set forth in Exhibit I.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|4. | PURCHASE ORDERS
|-- | ---------------



| | 4.1 | Placement of Purchase Order.All purchases of Products and Systems pursuant to this Agreement shall be by written Purchase Order which shall reference this Agreement and
identify the Product and Systems to be shipped, state the unit price, unit quantities, requested shipping date, and shipping instructions. Buyer may from time to time change Purchase Order issued to Seller to revise specific details as set forth in
Section 4.3. All Purchase Orders for forecasted Products and Systems must be received by Seller at least thirty (30) days prior to the requested shipment date. Seller must receive Purchase Orders for non-forecasted Products and Systems forty-five
(45) days prior to the requested shipment date. Seller will use reasonable commercial efforts to fill within sixty (60) days a Purchase Order for other goods received within such sixty-day (60) period. Each Purchase Order shall be governed by the
terms and conditions of this Agreement, and each Purchase Order will reference the Agreement.
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 4.2 | Conflict in Purchase Documentation.In the event of a conflict between the provisions of this Agreement and the terms and conditions of a Purchase Order or Sellers
acceptance or other written communication, the provisions of this Agreement shall prevail.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 4.3 | Cancellation and Rescheduling.Buyer may reschedule a Purchase Order for up to sixty (60) days from the original scheduled delivery date for such order, provided that Buyer
gives Seller notice twenty-one (21) days prior to the scheduled shipment date thereof. In the event Buyer: (a) cancels a Purchase Order; or (b) fails to meet any obligation hereunder causing cancellation of any Purchase Order; Buyer agrees to pay to
Seller the following cancellation charges which will be applied to only that cancelled portion of the Purchase Order:
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



- 3 -



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|                                                 |  |                                               
|------------------------------------------------ |  | ----------------------------------------------
|Cancellation Notice is Received:                 |  | Cancellation Charge(% of Buyer Purchase Price)
|61 days or more prior to Scheduled Delivery Date |  | 0%                                            
|31-60 days prior to Scheduled Delivery Date      |  | 5%                                            
|30 days or less prior to Scheduled Delivery Date |  | 10%                                           



Recognizing that the
cancellation of any Purchase Order will cause damage to Seller in an amount that cannot be readily determined, the Parties agree that the foregoing charges represent a reasonable estimate of the damages to Seller which would result from such
cancellation. Notwithstanding the foregoing, (a) there shall be no cancellation charges for correction of any typographical or clerical errors or change of location for delivery that Buyer provides to Seller prior to the date of shipping, (b) a
notice from Buyer to Seller rescheduling delivery of all or part of a Purchase Order shall not be considered a cancellation of that Purchase Order, (c) any termination of this Agreement by Seller by reason of Buyers material default or
insolvency shall be considered notice of cancellation of delivery of all unshipped Seller Products and the applicable cancellation charges, per schedule above, shall be payable by Buyer, and (d) Purchase Orders for non-standard catalog numbers and
special items are final and non-cancelable.



|5. | PRICES
|-- | ------



| | 5.1 | Prices.The Prices shall be the amount set forth on Exhibit B hereto and shall be fixed for the Initial Term, subject to adjustment as set forth in Section 5.3 hereof. All
Prices are F.O.B. shipping point. All freight and delivery costs will be in addition to the system or component prices shown in Exhibit B.
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 5.2 | Taxes.The Prices do not include federal, state or local taxes, including sales, use, property, import/export, value added, excise or similar tax payments. Seller shall bill
as a separate invoice line item all such taxes and Buyer agrees to pay and/or reimburse Seller for any such applicable taxes.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 5.3 | Price Protection.During the term of this Agreement, all Prices shall be no more than the prices charged by Seller to any other similarly situated customer for purchases of
the Products in similar quantities during similar time frames and under similar terms and conditions. During the Initial Term, Seller may not increase any Prices without the written agreement of Buyer unless Buyer does not meet minimum purchase
levels as defined in Section 5.4. In the event that Buyer or any of its wholly owned subsidiaries select and purchase additional products from Seller during the Initial Term, this same Article will apply to such additional products. Buyer
acknowledges that substitution of other vendors products or components for those listed in Exhibit B may have a material effect on the Systems. Therefore, Buyer shall consult with Seller in advance of a decision by Buyer to substitute any
other vendors product or component for a Sellers Product or component, as listed in Exhibit B. In the event Seller determines that such substitutions will have a material effect on the System, such substitutions may result in revaluation
and/or modification of the terms and conditions of this Agreement. Any such modification to the terms of this Agreement shall be upon mutual agreement of the parties, such agreement not to be unreasonably withheld.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 5.4 | Minimum Purchase.During the Initial Term, Buyer shall purchase and accept delivery of at least Eighty Million Dollars ($80,000,000) of Products from Seller
(Minimum Purchase). Buyers minimum, annual purchase shall be $10,000,000.00 in year one, $10,000,000.00 in year two, $10,000,000.00 in year three, $20,000,000.00 in year four and $30,000,000.00 in year five. Purchase and acceptance
of amounts greater than the minimum annual amounts defined above may be counted as part of the following years minimum annual purchase. Any purchase which has been placed with Seller by Buyer as of the effective date of this Agreement,
including any purchase under the March 3, 2000 General Purchase Agreement, shall be credited toward satisfaction of Buyers Minimum Purchase obligation under this paragraph. Buyer shall receive dollar for dollar credit toward the Minimum
Purchase for purchases invoiced prior to the execution of this Agreement to be applied in the following manner (i) invoiced purchases up to and
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| | including a total of $10,000,000 shall be applied to the year five minimum annual purchase amount stated above, and (ii) invoiced purchases over $10,000,000
shall be applied to the year one minimum annual purchase amount stated above. If Buyers failure to accept Products during any of the above defined periods is due to Sellers inability to deliver Products as acknowledged, the undelivered
amount will be counted toward the minimum purchase requirements for that period.
| | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|6. | PAYMENT TERMS
|-- | -------------



| | 6.1 | Payment. Seller shall issue an invoice to Buyer upon shipment of Products pursuant to a Purchase Order. Full payment of the Purchase Price for each Seller Product (including any
freight, taxes or other applicable costs initially paid by Seller but to be borne by Buyer) shall be made by Buyer to Seller in United States dollars, net thirty (30) days from the date of invoice. Any invoiced amount which is not paid when due will
bear interest at the rate of one and one-half percent (1 1/2%) per month, or the maximum rate allowable by law, whichever is less. Seller reserves the right to withhold additional shipments to Buyer, and/or impose additional credit terms, in the
event that any payments to Seller are past due by sixty (60) days or more. Buyer shall pay all of Sellers cost and expenses (including reasonable attorneys fees) to enforce Sellers rights under this Section. Seller will not
unreasonably withhold shipment of small quantities of individual plug-in components needed by Buyer to maintain service delivery to existing customers. All invoices and packing slips from the Seller shall refer to the Buyers Purchase Order
number for the invoices to be processed for payment.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 6.2 | Limitations on use of funds obtained in conjunction with the Loan and Security Agreement.Buyer may not use funds obtained from Marconi Finance, Inc. under the Loan and
Security Agreement for any penalty fees or cancellation charges in this Agreement.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|7. | SHIPPING TERMS AND RETURNS
|-- | --------------------------



| | 7.1 | Shipment in Accordance with Purchase Orders.Products and Systems will be shipped F.O.B shipping point. Seller will arrange for Products to be shipped to the ship-to address
indicated on the Purchase Order in a manner consistent with the terms of this Agreement. No Products or Systems may be shipped earlier than five (5) business days prior to Schedule Shipment Date without Buyers approval. Seller shall not ship
any partial orders without the prior written approval of Buyer.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.2 | Delay In Shipping Date by Seller.Except as provided in Section 6.1, Seller shall meet the Scheduled Shipment Date and shall notify Buyer promptly in the event of any delay.
Buyer shall be entitled to a three percent (3%) discount for all line items that are shipped up to thirty (30) days after the Scheduled Shipment Date and five percent (5%) for all line items that are shipped later than thirty (30) days after
Scheduled Shipment Date, and that were part of Buyers monthly forecasts or non-cancelable orders and ordered in accordance with Section 4 of this Agreement.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.3 | Packaging.All Products shall be carefully packaged by Seller for shipment pursuant to its then standard packaging protocols and such specifications as may reasonably be
provided by Buyer. If additional specifications add cost, then Buyer shall pay to Seller such costs. All Seller Products delivered pursuant to the terms of this Agreement shall be packed for air freight shipment in Sellers standard shipping
cartons, marked for shipment to Buyers address set forth above, and delivered to a designated carrier, F.O.B., shipping point. Upon delivery to the carrier, risk of loss to the Products (and title to the hardware included in such Seller
Products) shall pass to Buyer. Unless otherwise instructed in writing by Buyer, Seller shall select the carrier. All freight, insurance and other shipping expenses, as well as any special packing expense, shall be paid by Buyer. Seller will ship to
Buyers primary place of business unless Seller has agreed in writing to ship to another location. Each shipment shall be accompanied by a packaging slip that will include the applicable Purchase Order number. The Seller will clearly mark all
packages with the Sellers part numbers that match the parts contained in the package and match the part numbers used on the Sellers invoice. In the event that Buyer requests additional packaging specifications and Sellers
reasonable compliance with such specifications delay any shipments from Seller, Seller shall have no liability under Section 7.2 and Buyer shall not be entitled to any discount for delay in shipping.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| | 7.4 | Returns Due to Errors in Shipping.Buyer shall notify Seller in writing of any discrepancies in the shipment quantity. Seller shall be responsible for promptly shipping, at
its sole expense, any missing components or Documentation to Buyer. If Products (shipped in excess of purchase order quantity) are to be returned to Seller pursuant to Sections 7.5 or 7.6, Buyer will be under no obligation to pay the purchase price
or shipping costs for any such Product.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.5 | In-Warranty Returns.Seller shall accept returns of defective Products during the warranty period set forth in Section 10.1 hereof, and shall handle such Products pursuant to
the warranty practice as specified in this Agreement.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.6 | DOA Returns.Within thirty six (36) months from date of delivery, any unit, not damaged due to misuse or mishandling or a Force Majeure event, which contains a defect of any
kind or character, including without limitation any electrical or mechanical defect, or which fails to perform in accordance with the Product Specifications upon its first use shall be considered to be Dead on Arrival (DOA), and Seller
shall accept return of and replace such defective Product with a new Product that performs in accordance with the Product Specifications within ten (10) business days from receipt of the returned unit. Seller agrees to maintain sufficient in-stock
inventory of Products to satisfy this requirement. Seller shall be responsible for expenses directly associated with the return or replacement of the DOA Products, including the shipping charges for such DOA Products.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.7 | Title and Risk of Loss.Risk of loss or damage to the Products shall transfer to Buyer upon Sellers delivery to Buyers carrier or carrier selected by Seller on
Buyers behalf. Until such time as Seller is fully paid for the products, Buyer hereby grants to Seller a purchase money security interest in all products (including, without limitation, all Products as defined herein) purchased
under this agreement. Seller is authorized to file all financing statements necessary or appropriate to perfect such security interest.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.8 | Expedited Shipments.If Buyer requests in writing expedited delivery of the Products under any Purchase Order, Buyer will pay expedited shipping costs and expenses, unless
the expedited delivery is required because Seller is late in shipping the Product beyond the Scheduled Shipment Date, in which case, Seller will pay the expedited shipment costs.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7.9 | Return Material Authorization.All returns by Buyer shall be processed in accordance with Sellers Return Material Authorization procedure which shall be available upon
request. Notwithstanding provisions 7.4 through 7.6 above, Products returned by Buyer without a Return Material Authorization shall be returned by Seller to Buyer at Buyers sole expense.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|8. | PRODUCT SUPPORT SERVICES
|-- | ------------------------



During the Term, Seller shall provide support for the Products as set forth herein.



| | 8.1 | Manuals and Documentation.During the Term of this Agreement, Seller shall provide to Buyer, at no additional cost, up to twelve (12) paper copies, and reasonably unlimited
electronic copies, of Sellers documentation upon request from Buyer.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 8.2 | Product Approvals.Seller represents and warrants to Buyer that it shall obtain, and will continue to maintain, in good standing, all safety and regulatory Product approvals
for all Seller Products sold under this Agreement. In the event that any of the Seller Product approvals falls into default or non-compliance, Seller shall take immediate steps to rectify same.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|9. | TECHNICAL SUPPORT, TRAINING, AND PROBLEM RESOLUTION
|-- | ---------------------------------------------------



Seller shall provide the following support and training for the Products during the Term and, with respect to support, for a period of five (5) years
following termination of this Agreement unless otherwise provided below.



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| | 9.1 | Seller Support Obligations.When requested by Buyer, Seller agrees to provide reasonable Product and System support and maintenance services to Buyer in accordance with
Exhibit E, such support and services to include, the following:
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (i) | Telephone technical support from Sellers technical assistance center twenty-four (24) hours a day, seven (7) days a week.
| | --- | --------------------------------------------------------------------------------------------------------------------------



| | (ii) | Seller will use reasonable commercial efforts to ship within twenty-four (24) hours of request of Product spare parts, as listed in Exhibit H.
| | ---- | ----------------------------------------------------------------------------------------------------------------------------------------------



| | (iii) | One (1) technical manager shall be assigned for each System location for the period of six (6) months prior to System launch until twelve (12) months following System launch. Each
technical manager shall be available on-site, within twenty-four (24) hours of Buyers request. Buyer will pay reasonable travel and lodging expenses.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (iv) | Seller shall make available release notes, bug reports, maintenance releases, technical notes, application notes, product support bulletins and software patches, each in electronic
format and promptly upon release.
| | ---- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (v) | During the Initial Term of this agreement, system software and hardware upgrades and enhancements which add new features or greater functionality and provide for additional revenue
generation by Buyer, will be made available to Buyer at Sellers then current pricing. Maintenance and fixes will be made available to Buyer at no additional cost.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (vi) | Product recommended spare parts and prices are set forth in Exhibit H hereto and shall be fixed for the Initial Term, subject to adjustment as set forth in Section 5.3 hereof. All
Prices are F.O.B shipping point. All freight and delivery costs and taxes will be in addition to the component prices shown in Exhibit H.
| | ---- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (vii) | Sellers rates for out-of-warranty repair Products are set forth in Exhibit E hereto and shall be fixed for the Initial Term, subject to adjustment as set forth in Section 5.3
hereof. All Prices are F.O.B shipping point. All freight and delivery costs will be in addition to the component prices shown in Exhibit E.
| | ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (viii) | Access to Sellers TACtics online.
| | ------ | ----------------------------------



| | (ix) | At Buyers request, conduct a monthly product review to be held at Buyers facility no later than the 15th(fifteenth) of each month and attended by Sellers Vice President of Operations or such person employed by Seller with sufficient knowledge and rank
within Seller to report on and assess Sellers progress to date on all aspects of product development
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 9.2 | Training.Seller will provide at Sellers facilities up to 32 seats in turn up and maintenance training classes during the Term for Buyers personnel.
Seller will provide up to four (4) planning and engineering training classes per year, including a Train the Trainers course, during Term of this Agreement at Buyers planning and engineering facility. Maximum planning and
engineering class size is 25 students. Additional training courses are set forth in Exhibit F. Seller shall provide the training set forth in this Paragraph for no additional charge to Buyer. Buyer shall be responsible for paying for any additional
training provided by Seller. Buyer shall be responsible for all travel and living expenses for Buyer personnel at such training offered by Seller.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 9.3 | Corrective Plans.In the event that at any time during the Term of this Agreement, Buyer notifies Seller that a particular defect in a Product is occurring
with a frequency reasonably unacceptable to Buyer, Seller will in good faith develop a corrective plan within 90 days of notice from Buyer, unless otherwise mutually agreed, that is designed to ensure that such defect will be corrected. When the
corrective plan has been developed, Seller will promptly furnish Buyer with a copy thereof. Buyer will review the plan and will notify Seller either that the corrective plan is acceptable to Buyer, or that the corrective plan is
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| | unacceptable to Buyer, in which event such notice will identify with reasonable specificity those aspects of the corrective plan that are unacceptable and
describe the modifications that would render the plan acceptable. In the event that Seller is, at any time, notified by Buyer that any corrective plan is unacceptable, Seller will proceed, promptly and diligently, to use reasonable commercial
efforts to modify the corrective plan so that the plan is acceptable. When such modifications have been made, Seller will promptly furnish Buyer with a copy of the modified corrective plan. During the period following the initial notice of a defect
by Buyer, Seller will take all reasonable actions necessary to enable Seller to implement the plan at the earliest possible time, such as design testing and process preparations. Upon Buyers approval of the corrective plan, Seller will ship
Products to Buyer which implement the corrective plan as quickly as is practicable for equipment previously deployed as well as future installations. Nothing in this Section 9.3 shall abridge or modify any of Sellers warranty, support,
maintenance or other obligations set forth herein.
| | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 9.4 | Product Enhancements.During the Term, Seller shall provide the enhancements to Products and Systems in accordance with Exhibit G as it may be amended in writing by agreement
of the Parties. If Seller fails to meet the delivery dates set forth in Exhibit G, Seller will be liable for Buyers labor and Sellers Product to provide a work-around solution at those ONU sites and associated HDT sites requiring the
additional capacity and capabilities until Sellers scheduled enhancement is in place. The Product Enhancements listed in Exhibit G are intended to increase revenue and/or reduce costs and the pricing for these Product Enhancements will be
determined by Seller and made available to Buyer 30 days prior to the general availability date.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|10. | LIMITED PRODUCT WARRANTY
|--- | ------------------------



| | 10.1 | Seller Product Warranty; Repair.Seller warrants to Buyer that the Seller Products provided hereunder (i) will be free of defects due to materials or workmanship, and will be
compatible with all previous versions of the Product; (ii) will not contain any virus or other software or firmware routine designed to permit unauthorized access to the associated computer system, or to disable, erase or otherwise harm any
components of the Product, or any time bomb, lockout key, drop dead device or other similar routine designed to disable a computer program; (iii) shall accurately process date/time data (including, but not limited to, calculating, comparing, and
sequencing) from, into and between the twenty and twenty-first centuries, and the years 1999 and 2000 and leap year calculations. Furthermore, Sellers electronic interfaces, when used in conjunction with Year 2000 compliant interfaces, shall
accurately process date/time data if the other information technology properly exchanges date/time data with it. Products covered by this commitment shall mean hardware, software and bundled products of Marconi Communications, Inc. manufactured and
sold after December 31, 1998. Products manufactured and sold before this date will be addressed on a product by product basis; (iv) will be assembled and fully function and perform in all material respects in accordance with the Product
Specifications and, in each case, for a period of five (5) years from the date of shipment. Seller further warrants that the Services provided hereunder will be performed in a good and workmanlike manner in accordance with this Agreement (the
Limited Warranty). Seller shall at Sellers option either repair or replace the defective Product and will ship the repaired or replaced unit within ten (10) days from receipt of returned product. Except as to defective Products
covered by paragraph 7.6, Buyer shall pay the cost of shipping the defective Product to Seller and Seller shall pay the cost to return the repaired or replaced Product to Buyer.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 10.2 | Other Suppliers Warranties.The sole and exclusive warranty for other Products sold by Seller and provided by third party suppliers (Other Suppliers) shall
be limited to the Other Suppliers express written warranty. Sellers sole responsibility to Buyer for Other Suppliers Products shall be limited to the assignment of such warranties and assisting Buyer to enforce any such warranties.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 10.3 | Repaired or Replaced Product Warranty.The Limited Warranty will apply to any defective Product which has been repaired or replaced by Seller. Repaired or replaced Product
provided to Buyer shall have the longer of (a) twelve (12) months from the date such repaired or replacement Product is received by Buyer, or (b) the end of the original Limited Warranty period for the Product unit.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| | 10.4 | Title Warranty.Seller warrants to Buyer that on the date that title to each Product passes to Buyer pursuant to this Agreement, Seller will convey to Buyer good and clear
title to each unit of the Products purchased hereunder.
| | ---- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 10.5 | Disclaimer of any Other Warranties.THE WARRANTIES PROVIDED IN THIS AGREEMENT ARE IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY CONTAINS BUYERS SOLE AND EXCLUSIVE REMEDIES AND IS EXPRESSLY IN LIEU OF ALL OTHER REMEDIES, WHETHER BASED IN LAW OR IN EQUITY.
| | ---- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|11. | PRODUCT CHANGES
|--- | ---------------



| | 11.1 | Buyer Requested Changes.Subject to mutual agreement between the Parties, the Parties may negotiate separate agreements for future technology development.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------



| | 11.2 | Product Change Notices.Prior to making any change to the Products that affects form, fit or function to be shipped to Buyer, Seller must obtain Buyers written consent,
which shall not be unreasonably withheld. Seller will notify Buyer by way of a Product Change Notice (PCN). This is a formal document defining a required change to a product. This process ensures there is an accurate and efficient tracking of
product changes in Buyers network. Telcordia Technologies, Inc document Generic Requirements for Product Change Notices (GR-209-CORE) provides the requirements for this process. At Buyers request, Seller will purchase this document for
Buyers reference.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 11.3 | Product Discontinuance.Seller, at its sole discretion, shall have the right to modify, discontinue or add Seller Products at any time during the Term provided that Seller
gives ninety (90) days prior written notice of such change to Buyer, including any revised or additional Specifications. During such ninety (90) day period, Buyer shall, in its sole discretion, have the right to make a one time buy of such
discontinued Seller Product. Buyer shall have the right to schedule shipment of such one time buy over a period of six (6) months from the effective date of discontinuance. Except for Purchase Orders accepted by Seller, Seller shall be under no
obligations to continue the production of any Product.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 11.4 | Continuing Availability of Replacement and Repair Product.Seller agrees to offer for sale to Buyer for a period of seven (7) years after the expiration date of this
Agreement, replacement and repair Product which is equivalent in fit, form, and function to discontinued Products.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 11.5 | Competitive Technologies.During the Initial Term, producers of similar competitive technologies which are comparable to Products and Systems may develop significant
improvements relative to the fit, form, function or economics of the Products and Systems. If Buyer becomes aware of such improvements that are commercially available in the open market, Buyer shall notify Seller, identify the improvements with
specificity and provide Seller a one hundred and twenty (120) day period to evaluate Sellers ability to achieve the benefits of the competing technology improvements through modifications to Products and Systems. Buyer shall cooperate with
Seller in good faith during the evaluation period to reasonably assist Seller to identify and agree upon modifications to Products and Systems, including the time frame for delivery of the modifications. Seller will work with Buyer in good faith to
provide solutions that are comparable to competing technologies. If, however, Buyer and Seller are unable to reach agreement at the conclusion of the evaluation period created in this paragraph, Buyer shall be free to purchase the competitive
technology. Nothing in this paragraph, however, shall be construed to relieve Buyer from the obligations of this Agreement including, without limitation, paragraph 5.4.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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|12 | TERM AND TERMINATION
|-- | --------------------



| | 12.1 | Term.Except as otherwise provided herein, this Agreement shall begin as of the date first written above and continue for five (5) years (the Initial Term). After
the Initial Term, this Agreement shall be automatically renewed for additional consecutive twelve (12) month periods (Renewal Term), unless earlier terminated pursuant to Section 12.2 below. All references in this Agreement to the Term,
the term of this Agreement or term hereof are references to the Initial Term and any renewals thereto.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 12.2 | Early Termination.Either Party shall have the right to terminate this Agreement at any time upon the occurrence of any of the following events:
| | ---- | -----------------------------------------------------------------------------------------------------------------------------------------------



| | (i) | the failure of the other Party to perform any material term of this Agreement and to remedy such failure within thirty (30) days after written notice of such failure has been given
by the non-defaulting Party. If Buyer is the defaulting Party, as contemplated by the Consent to Collateral Assignment of Purchase Agreement, dated on or about the date hereof (Consent), by and between Seller and General Electric Capital
Corporation as administrative agent (together with its successors and permitted assigns in such capacity, Administrative Agent) for the Buyers lenders, Seller shall deliver a copy of such written notice to the Administrative Agent
at the address specified in Section 13.4 of this Agreement concurrently with the delivery of such notice to Buyer; provided that Sellers failure to deliver such notice to the Administrative Agent shall not impose any liability on Seller to
Buyer or affect the validity or effectiveness of any notice delivered by Seller to Buyer hereunder; or
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (ii) | the termination, dissolution, liquidation, bankruptcy or filing for bankruptcy of the other Party or its cessation to continue all or substantially all of its business affairs,
provided no successor continues such Partys operations; or
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (iii) | following the Initial Term, upon at least ninety (90) days prior written notice by a Party to the other Party.
| | ----- | --------------------------------------------------------------------------------------------------------------



| | 12.3 | Survival. Any termination, cancellation or expiration of the Agreement shall not affect the licenses previously granted to Buyer, nor the provisions of Sections 10, 12, 13 and
14, and any other such provisions required to interpret the rights and obligations of the Parties arising prior to such termination, cancellation or expiration.
| | ---- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 12.4 | Effect of Termination.Except to the extent set forth in Sections 13.1 and 13.2 hereto, neither Party shall be liable to the other party hereto for damages, losses,
indemnity, compensation or expenses of any kind or character whatsoever on account of the expiration or termination of this Agreement in accordance with the terms hereof, whether such damages, losses, costs or expenses arise from loss of prospective
sales, or expenses incurred or investments made in connection with the establishment, development or maintenance of a Partys business, creation of goodwill, markets and customers for the Products or any other reason whatsoever. Notwithstanding
anything to the contrary contained herein, such expiration or termination shall not affect any claim, demand, liability or right of a Party arising pursuant to this Agreement prior to the expiration or termination hereof.
| | ---- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|13. | GENERAL PROVISIONS
|--- | ------------------



| | 13.1 | Indemnification.Seller will defend, at its expense, any action brought against Buyer to the extent that it is based on a claim that the proper use of the
Seller Products infringes any United States patent or United States copyright, and Seller will indemnify Buyer from any costs, damages and fees finally awarded against Buyer in such action which are attributable to such claim. Buyer agrees to notify
Seller promptly in writing of any claim, to permit Seller to defend, compromise or settle the claim and to provide all available information and assistance regarding such claim. Seller shall not be liable for any costs, expenses, damages or fees
incurred by Buyer on such action or claim unless authorized in writing by
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| | Seller. In the event that the use of any Product is enjoined, Seller shall, at its option and at its own expense, either (1) procure for the Buyer the right
to continue using such Products, or (2) replace the same with non-infringing Products, or (3) modify the same to become non-infringing, or (4) refund a prorated amount paid by Buyer to Seller for such Products based on a five (5) year straight line
depreciation rate. Notwithstanding the foregoing, Seller shall not be liable for any damages, costs or expenses arising from an alleged infringement resulting from the use of Product provided by Seller pursuant to custom specifications requested by
Buyer or any third party. The remedies set forth in this Section shall constitute Buyers sole and exclusive remedy and Sellers sole liability in connection with alleged infringement of any third party intellectual property rights.
| | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.2 | Force Majeure.The Parties shall be excused from any delay or failure in performance hereunder caused by any labor dispute, government requirement, act of God, inability to
secure materials and transportation facilities, and other causes beyond its reasonable control. In the event that such force majeure event occurs, the affected Party shall immediately notify the other. If such event causes a delay in delivery of the
Products of greater than thirty (30) days, Buyer shall have the right to terminate any Purchase Orders affected by such event, or terminate this Agreement pursuant to its terms.
| | ---- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.3 | Confidentiality.Each Party agrees to observe complete confidentiality with respect to the Confidential Information of the other Party; not to disclose, or permit any third
party or entity access to, the Confidential Information of the other Party (or any portion thereof) without prior written permission of the other Party (except such disclosure or access which is required to perform any obligations under this
Agreement); and to insure that any employees, or any third parties who receive access to the Confidential Information of the other Party, are advised of the confidential and proprietary nature thereof and are prohibited from copying, utilizing or
otherwise revealing the Confidential Information of the other Party. Without limiting the foregoing, each Party agrees to employ with regard to the Confidential Information of the other Party procedures no less restrictive than the strictest
procedures used by it to protect its own confidential and proprietary information. At the request of any Party or upon termination of this Agreement, the other Party shall return any and all Confidential Information of the requesting Party to the
requesting Party. Confidential Information shall mean all proprietary technical or business information relating to either Partys business, including copies, which is: (i) provided in documentary or by way of a model or in other
tangible or intangible form; or (ii) disclosed orally or by demonstration or presentation including any note or record of the disclosure; or (iii) acquired by the receiving Party by any other means. Confidential Information includes but is not
limited to data, know-how, formulas, algorithms, processes, designs, sketches, photographs, plans, drawings, specifications, samples, reports, customer and distributor names, pricing information, marketing information, inventions and ideas.
| | ---- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.4 | Delivery of Notices.Except as otherwise specifically provided in this Agreement, all notices, demands and other communications made or required to be given pursuant to this
Agreement shall be in writing and shall be deemed to have been given if delivered by hand delivery, overnight courier, certified mail postage prepaid, or electronically transmitted and subsequently confirmed by certified mail postage prepaid to the
Parties at the address shown on the first page of this Agreement with a copy to the Legal Department of each Party.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|                            |  |                                  
|--------------------------- |  | ---------------------------------
|Grande Communications, Inc. |  | Marconi Communications, Inc.     
|Attn: Legal Department      |  | Attn: Legal Department           
|421 Carlson Circle          |  | 5900 Landerbrook Drive, Suite 300
|San Marcos, Texas 78666     |  | Cleveland, Ohio 44124            



Seller
shall deliver a copy of any notice delivered by Seller pursuant to Section 12.2(i) to the following:



General Electric Capital Corp.

Telecom
Financial Services

10 Riverview Drive

Danbury, CT 06810

Attention: Porfolio Manager

Telecopy: (203)749-4531



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; or to such other address or entity serving as Administrative Agent as the Administrative Agent shall
have specified to Seller pursuant to the Consent.



| | 13.5 | Governing Law.This Agreement shall be governed by, interpreted and enforced in accordance with the laws of the State of Texas, USA, without reference to the principles
governing the conflicts of law applicable in that or any other jurisdiction. The United Nations Convention on Contracts for the International Sale of Goods will not be applicable.
| | ---- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.6 | Severability.Any of the provisions of this Agreement which are determined to be invalid or unenforceable in any jurisdiction shall be ineffective only to the extent of such
invalidity or unenforceability in such jurisdiction, without rendering invalid or unenforceable the remaining provisions hereof or affecting the validity or enforceability of any of the terms of this Agreement in any other jurisdiction.
| | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.7 | Assignment.Neither Party shall assign this Agreement to any third party without the prior written consent of the other Party, provided, however, that the merger or
consolidation of one Party into, or the sale of all or substantially all of the assets of such Party to, a third party shall not be deemed to be an assignment. Subject to the foregoing, this Agreement shall be binding upon and inure to the benefit
of the Parties hereto and their permitted successors and assigns.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.8 | Entire Agreement.This Agreement and its Exhibits express the entire understanding and agreement of both Seller and Buyer with respect to the subject matter hereof and
supersede any and all previous agreements, including specifically the General Purchase Agreement dated March 3, 2000.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.9 | Interpretation.All references in this Agreement to a section are references to sections in this Agreement unless otherwise provided. Unless the context requires otherwise,
words importing the singular shall include the plural and vice versa. Words importing the masculine gender shall include the feminine and neuter genders and vice versa, and words importing persons shall include individuals, partnerships,
associations, trust, unincorporated organizations and corporations and vice versa. If this Agreement is translated into another language and there is a diversion of meaning between the English version and the other language version, the English
version shall prevail.
| | ---- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.10 | Amendments and Waivers.No provision in this Agreement may be amended or waived except in writing signed by the authorized representatives of both Parties unless allowed
elsewhere in this agreement. Any such waiver shall only apply to the specific instance or event waived, and shall not act as a waiver of any subsequent instance or event.
| | ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.11 | Relationship of the Parties.The Parties are independent contractors and neither Party is an employee, agent, or joint venture partner of the other. Neither Party shall have
the right to bind the other Party, whether directly or indirectly, to any agreement with a third party or to incur any obligation or liability on behalf of such other Party whether directly or indirectly.
| | ----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.12 | US Dollars.All monetary amounts expressed in this Agreement and the Exhibits attached hereto shall be in United States Dollars.
| | ----- | -------------------------------------------------------------------------------------------------------------------------------



| | 13.13 | End-User Software License Agreement.Buyer is authorized to sublicense the Software to End-Users only under the terms and restrictions of the End-User Software License
Agreement and hereby agrees to be bound by such terms and restrictions. Buyer shall require each End-User to receive and accept the End-User Software License Agreement as a condition precedent to the purchase and license of the Seller-Products.
Seller has the right to review procedures for ensuring that End-Users enter into the End-User Software License Agreement and Buyer shall comply with all modifications to such procedures requested by Seller. Buyer agrees that it will accept the
return of the Sellers Products from End-Users who do not wish to be bound by the terms and restrictions of the End-User Software License Agreement and will return all monies paid by such End-Users for the returned Seller Products.
| | ----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



- 12 -



---

| | 13.14 | Remedies.Except as otherwise provided herein, no single or partial exercise of any right or remedy will preclude any other or further exercise thereof or of any other right
or remedy provided for herein, at law or in equity. Except as otherwise provided herein, all rights and remedies are cumulative.
| | ----- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.15 | Nonsolicitation.During the term of this Agreement, neither party to this Agreement shall Actively Solicit the employment of any employee of the other Party, which employee
was involved in the relationship between Buyer and Seller. For purposes of this Agreement, Actively Solicit means to initially call or to initiate contact in any other manner with an employee of the other Party for the purpose of
inducing such employee to leave his or her present position, but such term shall not include as wrongful any contact with, interview or hiring of those employees who (a) have answered standard advertisements, (b) have already resigned their
positions without inducement by the other Party, or (c) initiate the contact with the other Party regarding employment with that party.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.16 | Injunctive Relief.In the event that the breach by the other Party of any material provision of the Confidentiality Agreement; and failure to remedy such breach within thirty
(30) days hereto after written notice of such failure has been given by the non-defaulting Party the non breaching party shall have the right to seek injunctive relief.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.17 | The parties acknowledge that there are terms in the Loan and Security Agreement specifically applicable to Buyer and Seller that may be relevant to the matters described in this
Agreement. Notwithstanding the above, termination of the Loan and Security Agreement for any reason shall not relieve Buyer or Seller of its respective rights and obligations (if any) under this Agreement.
| | ----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 13.18 | Preferred Vendor.For the term of this Agreement, Seller shall be the preferred provider to Buyer of all products listed on Sellers published price lists to be appended
to this Agreement, including but not limited to Sellers Access, BBRS, Outside Plant, Power, and Optical Networks business units and all services provided by Seller. Any such products and services shall be provided pursuant to certain terms and
conditions specific to each business unit to be mutually agreed upon in an addendum to this agreement. Subject to the provisions of Article 6, subpart 6.1(j) of the Loan and Security Agreement, invoices for all products purchased from Seller under
this Agreement will count towards the draw down requirements of the Loan and Security Agreement. Only Products listed in Exhibit B (purchased from the Access business unit) will be credited towards the minimum purchase amount defined in Section 5.4
of this Agreement. As the preferred provider, Seller shall have the first right of refusal, but not the obligation, to provide such products and services to Buyer. Such first right of refusal for Seller is subject to Sellers ability to provide
the products and services, as the case may be, at market competitive prices, under satisfactory delivery standards and with the functionality required by Buyer. In the event Buyer reasonably determines that Sellers prices are not market
competitive, the delivery standards are unsatisfactory, or the functionality required by Buyer is not met for such products, Buyer shall notify Seller of the reason(s) for the determination in writing prior to procuring products from another source.
Buyer shall have the final decision as to whether the Sellers Product is acceptable, provided that the reasons given for refusing the Sellers product is reasonable. The parties recognize that, without diminishing the importance or
materiality of any other provision of this Agreement, this Section 13.18 is a material inducement to Sellers entering into this Agreement.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|14. | LIMITATION OF LIABILITY
|--- | -----------------------



NEITHER PARTY SHALL BE LIABLE FOR ANY LOSS, CLAIM, EXPENSE OR DAMAGE CAUSED BY, CONTRIBUTED TO OR ARISING OUT OF THE ACTS OR OMISSIONS OF THE OTHER PARTY
OR THIRD PARTIES, WHETHER NEGLIGENT OR OTHERWISE. IN NO EVENT SHALL EITHER PARTYS LIABILITY FOR ANY CAUSE OF ACTION WHATSOEVER UNDER THIS AGREEMENT EXCEED THE COST OF THE PRODUCT GIVING RISE TO THE CLAIM, WHETHER BASED IN CONTRACT, WARRANTY,
INDEMNITY OR TORT (INCLUDING NEGLIGENCE AND STRICT LIABILITY) OR OTHERWISE.



IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL OR OTHER SUCH INDIRECT DAMAGES (INCLUDING, WITHOUT LIMITATION, LOSS OF REVENUES, PROFITS OR OPPORTUNITIES), WHETHER ARISING OUT OF OR
AS A RESULT OF BREACH OF CONTRACT, WARRANTY, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE.



- 13 -



---

EXHIBIT A



SPECIFICATIONS



The following document entitled Deep Fiber HFC General Specifications sets forth the specifications for the Products under this Agreement.



DEEP FIBER HFC GENERAL SPECIFICATIONS



|                        |  |                                                                                                                                                                                                                                                                                                                                                                                              
|----------------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Transmission Facility   |  | Single mode fiber to a maximum of 12kft                                                                                                                                                                                                                                                                                                                                                      
|                        | 
|System Capacity         |  | 672 channels- Typically serves 28 ONUs                                                                                                                                                                                                                                                                                                                                                       
|                        | 
|Optical Span Facilities |  | One single-mode fiber                                                                                                                                                                                                                                                                                                                                                                        
|                        | 
|Optical Wavelength      |  | 1310 nm/ 1550 nm                                                                                                                                                                                                                                                                                                                                                                             
|                        | 
|Optical Source          |  | Edge Emitting LED                                                                                                                                                                                                                                                                                                                                                                            
|                        | 
|Optical Receiver        |  | InGaAs PIN diode detector                                                                                                                                                                                                                                                                                                                                                                    
|                        | 
|Service Capabilities    |  | Single Party Message Telephone Service (SPMTS), coin, (coin first/dial tone first)                                                                                                                                                                                                                                                                                                           
|                        | 
|                        |  | PBX CO trunks PBX Tie Trunks Direct Inward Dialing (DID) Direct Outward Dialing (DOD) Centrex Lines (CL) Off-Premises Extension (OPX) Off-Premises Station (OS) WATS Line WATS Trunks Secretarial Lines (SL) Foreign Exchange Lines (FX) Foreign Exchange Trunks (FT) DDS-Subrate, 19.2 kb/s, and 56 kb/s Automatic and Manual Ringdown
Electronic Business Service (EBS) ISDN (Basic Access)
|                        | 
|ONU Powering            |  | -130 VDC using 22 AWG copper pair                                                                                                                                                                                                                                                                                                                                                            
|                        | 
|VF Impedence (ONU)      |  | 600 W in series with 2.16 μF                                                                                                                                                                                                                                                                                                                                                                 
|                        | 
|Ringing Output          |  | 17 - 28 Hz at 60 Vrms minimum open circuit                                                                                                                                                                                                                                                                                                                                                   
|                        | 
|Number of Ringers       |  | Up to 5 REN per channel; 15 REN maximum simultaneously / ONU                                                                                                                                                                                                                                                                                                                                 
|                        | 
|Insertion Loss          |  | 2.0- 4.0 dBm                                                                                                                                                                                                                                                                                                                                                                                 
|                        | 
|VF Frequency Response   |  | +1 to -0.5 dBrnc between 404 Hz and 2,804 Hz                                                                                                                                                                                                                                                                                                                                                 
|                        | 
|Idle Channel Noise      |  | 20 dBrnc maximum                                                                                                                                                                                                                                                                                                                                                                             
|                        | 
|Echo Return Loss        |  | 18 dB minimum at HDT with ONU terminated with 600 W in series with 2.16 μF                                                                                                                                                                                                                                                                                                                   
|                        | 
|Singing Return Loss     |  | 12dB minimum at HDT with ONU terminated with 600 W in series with 2.16 μF                                                                                                                                                                                                                                                                                                                    
|                        | 
|Longitudinal Balance    |  | 55dB minimum                                                                                                                                                                                                                                                                                                                                                                                 



A1



---

|                          |  |                                                                         
|------------------------- |  | ------------------------------------------------------------------------
|                          | 
|Crosstalk (intelligible)  |  | 65dB minimum                                                            
|                          | 
|Drop Length (ONU)         |  | 500Wincluding telephone set                                             
|                          | 
|Dial Pulse Distortion     |  | 8- 12 pps; 58% to 64% break in; 55% to 70% break out; A leak condition
|                          | 
|Environmental Temperature |  | (HDT)-40°F (-40°C) to +140°F (+60°C)                                    
|                          | 
|Environmental Temperature |  | (ONU)-40°F (-40°C) to +140°F (+60°C)                                    
|                          | 
|Environmental Humidity    |  | 5% to 95% non-condensing                                                



Deep Fiber HFC

GRANDE COMMUNICATIONS Product Specifications



1.0 Headend RF Performance



|    |  |           |  |                        
|--- |  | --------- |  | -----------------------
|    |  |          
|1.1 |  | Parameter |  | Performance Requirement
|    |  |          
|1.2 |  | CTB (dBc) |  | -72.0                  
|    |  |          
|1.3 |  | CSO (dBc) |  | -72.0                  
|    |  |          
|1.4 |  | CNR (dB)  |  | 58.0                   



2.0 Headend to RDT
Link Performance



|    |  |                                            |  |                        
|--- |  | ------------------------------------------ |  | -----------------------
|    |  |                                           
|2.1 |  | Parameter                                  |  | Performance Requirement
|    |  |                                           
|2.2 |  | Maximum Power Launched (Single EDFA) (dBm) |  | 15                     
|    |  |                                           
|2.3 |  | Fiber Class                                |  | IV-A                   
|    |  |                                           
|2.4 |  | Maximum Number of EDFAs1                   |  | 4                      
|    |  |                                           
|2.5 |  | Maximum Network Scope (km)                 |  | 75                     
|    |  |                                           
|2.6 |  | Maximum Single Fiber Length (km)           |  | 40                     
|    |  |                                           
|2.7 |  | Minimum Return Loss (dB)                   |  | 55                     



Note 1. Marconi or better



3.0 FOA Performance



|    |  |                                 |  |                               |  |                   |  |        
|--- |  | ------------------------------- |  | ----------------------------- |  | ----------------- |  | -------
|    |  |                                 | 
|3.1 |  | Part No. (Description)          |  | Parameter                     |  | Specification    
|    |  |                                 |  |                              
|3.2 |  |                                 |  |                               |  | Minimum / Maximum |  | Nominal
|    |  |                                 |  |                              
|3.3 |  | 4102116Ln (FO 18 dBm, n Output) |  | Power Output, POUT(dBm)       |  | 18.0£POUT£19.0    |  | 18.2   
|    |  |                                 |  |                              
|3.4 |  |                                 |  | CNR Degradation1., CNRFOA(dB) |  | 0.0 < CNRFOA£0.7  |  | 0.3    
|    |  |                                 |  |                              
|3.5 |  |                                 |  | Power Consumption (W)         |  |                   |  | 48     
|    |  |                                 |  |                              
|3.6 |  |                                 |  | Power Received, PREC(dBm)     |  | 4.0£PREC£8.0      |  | 5.0    



Note 1. 1550 nm power received Power
Received, PREC, by Marconi OIU (dBm), -4.0£PREC£0.0



A2



---

4.0 SWX Performance



|    |  |                        |  |                                   |  |                   |  |        
|--- |  | ---------------------- |  | --------------------------------- |  | ----------------- |  | -------
|    |  |                        | 
|4.1 |  | Part No. (Description) |  | Parameter                         |  | Specification    
|    |  |                        |  |                                  
|4.2 |  |                        |  |                                   |  | Minimum / Maximum |  | Nominal
|    |  |                        |  |                                  
|4.3 |  | 4102107L2 (2X32 SWX)   |  | 1550 nm Insertion Loss, L1550(dB) |  | 17.8£L1550£19.7   |  | 18.0   
|    |  |                        |  |                                  
|4.4 |  |                        |  | 1310 nm Insertion Loss, L1310(dB) |  | 0.5£L1310£2.0     |  | 1.3    



5.0 OIU Performance
at the RDT



|    |  |                        |  |                                          |  |                         |  |        
|--- |  | ---------------------- |  | ---------------------------------------- |  | ----------------------- |  | -------
|    |  |                        | 
|5.1 |  | Part No. (Description) |  | Parameter                                |  | Specification          
|    |  |                        |  |                                         
|5.2 |  |                        |  |                                          |  | Minimum / Maximum       |  | Nominal
|    |  |                        |  |                                         
|5.3 |  | 4102179L1              |  | 1310 nm Power Transmit, PTRANS-1310(dBm) |  | -20.0£PTRANS-1310£-16.0 |  | -18.0  
|    |  |                        |  |                                         
|5.4 |  |                        |  | 1310 nm Power Receive, PREC-1310(dBm)    |  | -10.0£PREC-1310£-4.0    |  | -7.0   
|    |  |                        |  |                                         
|5.5 |  |                        |  | Voltage (VDC)                            |  | -42<VDC<-56             |  |        
|    |  |                        |  |                                         
|5.6 |  |                        |  | Upstream Bandwidth1.(MHz)                |  | 7.5 - 42.0              |  |        



Note 1. -6 dB cutoff frequencies



6.0 RCX Performance at the RDT



|    |  |                        |  |                                          |  |                    
|--- |  | ---------------------- |  | ---------------------------------------- |  | -------------------
|    |  |                        | 
|6.1 |  | Part No. (Description) |  | Parameter                                |  | Specification      
|    |  |                        | 
|6.2 |  |                        |  |                                          |  | Minimum / Maximum  
|    |  |                        | 
|6.3 |  | 41-090-02 (RFX1S8)     |  | 5 - 42 MHz Insertion Loss, L5-42MHz(dB)  |  | 11.9£L5-42 MHz£12.5
|    |  |                        | 
|6.4 |  | 41-090-03 (RFCMB1F4)   |  | 5 - 42 MHz Insertion Loss, L5-42MHz(dB)  |  | 6.8£L5-42MHz£7.2   
|    |  |                        | 
|6.5 |  | 41-090-04 (RFCMB2F8)   |  | 5 - 42 MHz Insertion Loss,
L5-42 MHz(dB) |  | 6.8£L5-42MHz£7.2   
|    |  |                        | 
|6.6 |  | 41-090-05 (RFCMB2S8)   |  | 5 - 42 MHz Insertion Loss,
L5-42MHz(dB)  |  | 6.8£L5-42MHz£7.2   



7.0 RDT to ONU Link
Performance



|    |  |                                            |  |                        
|--- |  | ------------------------------------------ |  | -----------------------
|    |  |                                           
|7.1 |  | Parameter                                  |  | Performance Requirement
|    |  |                                           
|7.2 |  | Fiber Class                                |  | IV-A                   
|    |  |                                           
|7.3 |  | Maximum Fiber Length (km)                  |  | 4.0                    
|    |  |                                           
|7.4 |  | Maximum 1550 nm Span Loss (dB)             |  | 2.0                    
|    |  |                                           
|7.5 |  | Maximum 1310 nm Span Loss (dB)             |  | 4.0                    
|    |  |                                           
|7.6 |  | Minimum Return Loss (1550 and 1310 nm)(dB) |  | 45                     



A3



---

8.0 Downstream RF Performance



|     |  |                        |  |                                          |  |                       |  |        
|---- |  | ---------------------- |  | ---------------------------------------- |  | --------------------- |  | -------
|     |  |                        | 
|8.1  |  | Part No. (Description) |  | Parameter                                |  | Specification        
|     |  |                        |  |                                         
|8.2  |  |                        |  |                                          |  | Minimum / Maximum     |  | Nominal
|     |  |                        |  |                                         
|8.3  |  | 4102149L4(OIU49L4)     |  | 1310 nm Power Transmit, PTRANS-1310(dBm) |  | -5.0£PTRANS-1310£-2.0 |  | -3.5   
|     |  |                        |  |                                         
|8.4  |  |                        |  | 1310 nm Power Receive, PREC-1310(dBm)    |  | -27.0£PREC-1310£-15.0 |  | -23.0  
|     |  |                        |  |                                         
|8.5  |  |                        |  | 1550 nm Power Receive, PREC-1550(dBm)    |  | -4.0£PREC-1550£1.0    |  | -2.0   
|     |  |                        |  |                                         
|8.6  |  |                        |  | RF Power at 550 MHz1. POUT
547MHz(dBmV)  |  | 42.0£POUT 547MHz£48.0 |  | 43.5   
|     |  |                        |  |                                         
|8.7  |  |                        |  | Tilt (55 - 550 MHz) (dB)1.               |  | 5.0£Tilt£7.0          |  | 6.0    
|     |  |                        |  |                                         
|8.8  |  |                        |  | Tilt (550 - 870 MHz) (dB)1.              |  | 1.0£Tilt£4.0          |  | 2.0    
|     |  |                        |  |                                         
|8.9  |  |                        |  | Downstream Bandwidth (MHz)               |  | 50 - 870              |  |        
|     |  |                        |  |                                         
|8.10 |  |                        |  | Voltage, VDC2.                           |  | -80<VDC<-138          |  |        



Note 1. CW carriers at 3.1 % OMI,
tested at card interface, 870 MHz benchmark is a CW carrier at 3.1 % OMI



2. Service dependent



8.0
Downstream RF Performance



|     |  |                        |  |                                          |  |                       |  |        
|---- |  | ---------------------- |  | ---------------------------------------- |  | --------------------- |  | -------
|     |  |                        | 
|8.11 |  | Part No. (Description) |  | Parameter                                |  | Specification        
|     |  |                        |  |                                         
|8.12 |  |                        |  |                                          |  | Minimum / Maximum     |  | Nominal
|     |  |                        |  |                                         
|8.13 |  | 4102149L1 (OIU49L1)    |  | 1310 nm Power Transmit, PTRANS-1310(dBm) |  | -5.0£PTRANS-1310£-2.0 |  | -3.5   
|     |  |                        |  |                                         
|8.14 |  |                        |  | 1310 nm Power Receive, PREC-1310(dBm)    |  | -27.0£PREC-1310£-15.0 |  | -23.0  
|     |  |                        |  |                                         
|8.15 |  |                        |  | 1550 nm Power Receive, PREC-1550(dBm)    |  | -4.0£PREC-1550£1.0    |  | -2.0   
|     |  |                        |  |                                         
|8.16 |  |                        |  | RF Power at 550 MHz1., POUT 547MHz(dBmV) |  | 37.0£POUT 547MHz£43.0 |  | 38.0   
|     |  |                        |  |                                         
|8.17 |  |                        |  | Tilt (55 - 550 MHz) (dB)1.               |  | 5.0£Tilt£7.0          |  | 6.0    
|     |  |                        |  |                                         
|8.18 |  |                        |  | Tilt (550 - 870 MHz) (dB)1.              |  | 1.0£Tilt£4.0          |  | 2.0    
|     |  |                        |  |                                         
|8.19 |  |                        |  | Downstream Bandwidth (MHz)               |  | 50 - 870              |  |        
|     |  |                        |  |                                         
|8.20 |  |                        |  | Voltage, VDC2.                           |  | -80<VDC<-138          |  |        



Note 1. CW carriers at 3.1 % OMI,
tested at card interface, 870 MHz benchmark is a CW carrier at 3.1 % OMI



2. Service dependent



A4



---

9.0 Return Path Performance



|    |  |                                  |  |                                                                  |  |                  |  |        
|--- |  | -------------------------------- |  | ---------------------------------------------------------------- |  | ---------------- |  | -------
|9.1 |  | Part No. (Description)           |  | Parameter                                                        |  | Specification   
|9.2 |  |                                  |  |                                                                  |  | Minimum /Maximum |  | Nominal
|9.3 |  | 4102149L4 (OIU49L4 to RCX Input) |  | Upstream Bandwidth (MHz)1.                                       |  | 7.5-42.0         |  |        
|9.4 |  | (OIU49L4 to OIU79L1)             |  | Noise Power Ratio  35 MHz Effective Bandwidth, NPR33MHz(dB)     |  | NPR35MHZz340     |  |        
|9.5 |  | (OIU49L4 to OIU79L1)             |  | Dynamic Range  35 MHz Effective Bandwidth, (dB)                 |  | >7dB             |  |        
|9.6 |  | (OIU49L4)                        |  | Input Power Density  35 MHz Effective Bandwidth, PIN, (dBmV/Hz) |  | -56.0£PIN£-49.0  |  |        
|    |  | (OIU49L4 to OIU79L1)             |  | Noise Power Ratio  6 MHz Effective Bandwidth, NPR6MHz (dB)      |  | NPR6MHz347       |  |        
|9.5 |  | (OIU49L4 to OIU79L1)             |  | Dynamic Range  6 MHz Effective Bandwidth, (dB)                  |  | >7dB             |  |        
|9.6 |  | (OIU49L4)                        |  | Input Power Density  6 MHz Effective Bandwidth, PIN, (dBmV/Hz)  |  | -48.0£PIN£-41.0  |  |        
|9.6 |  | (OIU49L4 to OIU79L1)             |  | Frequency Response                                               |  | + /-ldB          |  |        
|9.7 |  | (OIU49L4 to OIU79L1)             |  | Upstream Gain, G (dB)                                            |  | 18.0£G£22.0      |  |        
|9.3 |  | 4102149L1 (OIU49L4 to RCX Input) |  | Upstream Bandwidth (MHz)1.                                       |  | 7.5-42.0         |  |        
|9.4 |  | (OIU49L1 to OIU79L1)             |  | Noise Power Ratio 35 MHz Effective Bandwidth, NPR33MHz(dB)      |  | NPR35MHz340      |  |        
|9.5 |  | (OIU49L1 to OIU79L1)             |  | Dynamic Range  35 MHz Effective Bandwidth, (dB)                 |  | >7dB             |  |        
|9.6 |  | (OIU49L1)                        |  | Input Power Density  35 MHz Effective Bandwidth, PIN, (dBmV/Hz) |  | -56.0£PIN£-49.0  |  |        
|    |  | (OIU49L1 to OIU79L1)             |  | Noise Power Ratio  6 MHz Effective Bandwidth, NPR6MHz (dB)      |  | NPR6MHz347       |  |        
|9.5 |  | (OIU49L1 to OIU79L1)             |  | Dynamic Range  6 MHz Effective Bandwidth, (dB)                  |  | >7dB             |  |        



A5



---

|    |  |                      |  |                                                                 |  |                
|--- |  | -------------------- |  | --------------------------------------------------------------- |  | ---------------
|9.6 |  | (OIU49L1)            |  | Input Power Density - 6 MHz Effective Bandwidth, PIN, (dBmV/Hz) |  | -48.0£PIN£-41.0
|9.6 |  | (OIU49L1 to OIU79L1) |  | Frequency Response                                              |  | + /-1 dB       
|9.7 |  | (OIU49L1 to OIU79L1) |  | Upstream Gain, G (dB)                                           |  | 18.0£G£22.0    



Note 1. -6 dB cutoff frequencies



10.0 Headend to ONU Link Performance



|     |  |                                                       |  |                    |  |        
|---- |  | ----------------------------------------------------- |  | ------------------ |  | -------
|     |  | Parameter                                             |  | Specification     
|     |  |                                                       |  | Minimum /Maximum   |  | Nominal
|10.1 |  | CNR Average, All Channels, 3.1 % OMI, CNRAVG(dB)      |  | 48.5<CNRAVG<50.0   |  | 49.5   
|10.2 |  | CNR, Single Channel Worst Case, 3.1 % OMI, CNRwc(dB)  |  | 48.0£CNRwc£49.5    |  | 49.0   
|10.3 |  | CSO Average, All Channels, 3.1 % OMI, CSOAVG(dBc)     |  | -56.0£CSOAVG£-53.0 |  | -54.5  
|10.4 |  | CSO, Single Channel Worst Case, 3.1 % OMI, CSOwc(dBc) |  | -55.5£CSOwc£-52.5  |  | -53.5  
|10.5 |  | CTB Average, All Channels, 3.1 % OMI, CTBAVG(dBc)     |  | -56.0£CTBAVG£-53.0 |  | -54.5  
|10.6 |  | CTB, Single Channel Worst Case, 3.1 % OMI, CTBwc(dBc) |  | -55.5£CTBwc£-52.5  |  | -53.5  



Note 1. 77 CW carriers at 3.1% OMI, 33
64 QAM carriers at 1.5 % OMI



11.0 Power Pair Requirements



|     |  |           |  |                          |  |                           
|---- |  | --------- |  | ------------------------ |  | --------------------------
|11.1 |  | Part No.  |  | Specification           
|11.2 |  |           |  | Distance RDT to ONU(ft.) |  | No. of 22 GaugePower Pairs
|11.3 |  | 4102149L1 |  | 3,500                    |  | 1                         
|11.4 |  | 4102149L1 |  | 7,000                    |  | 2                         
|11.5 |  | 4102149L1 |  | 10,500                   |  | 3                         
|11.6 |  | 4102149L4 |  | 3,500                    |  | 1                         
|11.7 |  | 4102149L4 |  | 7,000                    |  | 2                         
|11.8 |  | 4102149L4 |  | 10,500                   |  | 3                         



12.0 Configuration
Drawings



|     |  |                 |  |                      
|---- |  | --------------- |  | ---------------------
|12.1 |  |                 |  | Specification        
|12.2 |  | Part No.        |  | Configuration Drawing
|12.3 |  | FOO3191 (MESA4) |  | J-C0440              
|12.4 |  | FO03190 (MESA6) |  | J-C0441              



A6



---

The downstream RF performance characteristics of the Deep Fiber HFC system can be realized in the following tables. This
performance expectation is based on a fundamental system configuration including a Marconi Specified Transmitter and does not include the cascading of multiple EDFAs between the Marconi FOA at the transmitter and the FOA at the RDT.



13.0 CNR Characteristics 1., 2., 3., 4., 5., 6., 7.



|      |  |                          |  |                  
|----- |  | ------------------------ |  | -----------------
|13.1  |  | CNR Input to Transmitter |  | CNR Output at ONU
|13.2  |  | 65.0                     |  | 50.8             
|13.3  |  | 64.0                     |  | 50.8             
|13.5  |  | 63.0                     |  | 50.7             
|13.6  |  | 62.0                     |  | 50.7             
|13.7  |  | 61.0                     |  | 50.6             
|13.8  |  | 60.0                     |  | 50.5             
|13.9  |  | 59.0                     |  | 50.4             
|13.10 |  | 58.0                     |  | 50.2             
|13.11 |  | 57.0                     |  | 50.0             
|13.12 |  | 56.0                     |  | 49.8             
|13.13 |  | 55.0                     |  | 49.5             
|13.14 |  | 54.0                     |  | 49.2             
|13.15 |  | 53.0                     |  | 48.9             
|13.16 |  | 52.0                     |  | 48.5             
|13.17 |  | 51.0                     |  | 48.0             
|13.18 |  | 50.0                     |  | 47.5             
|13.19 |  | 49.0                     |  | 46.9             
|13.20 |  | 48.0                     |  | 46.2             
|13.21 |  | 47.0                     |  | 45.5             
|13.22 |  | 46.0                     |  | 44.8             



Note 1. Analog channel load: 80
channels at 3.1% OMI

2. Digital channel load: 54 channels at 1.55% OMI

3. Transmitter output: 7 dBm into Marconi FOA

4. Fiber length (transmitter to RDT): 25 km

5. PRECRDT FOA: 5 dBm

6. Fiber length (RDT to ONU): 4
km

7. PREC-1550ONU OIU: -4.0£PREC-I550£0.0



A7



---

14.0 CSO and CTB Characteristics 1., 2.,
3., 4., 5., 6., 7.,



|      |  |                          |  |                  
|----- |  | ------------------------ |  | -----------------
|14.1  |  | CNR Input to Transmitter |  | CNR Output at ONU
|14.2  |  | 75.0                     |  | 55.1             
|14.3  |  | 74.0                     |  | 55.0             
|14.5  |  | 73.0                     |  | 54.9             
|14.6  |  | 72.0                     |  | 54.7             
|14.7  |  | 71.0                     |  | 54.6             
|14.8  |  | 70.0                     |  | 54.4             
|14.9  |  | 69.0                     |  | 54.2             
|14.10 |  | 68.0                     |  | 54.1             
|14.11 |  | 67.0                     |  | 53.8             
|14.12 |  | 66.0                     |  | 53.6             
|14.13 |  | 65.0                     |  | 53.4             
|14.14 |  | 64.0                     |  | 53.1             
|14.15 |  | 63.0                     |  | 52.8             
|14.16 |  | 62.0                     |  | 52.5             
|14.17 |  | 61.0                     |  | 52.1             
|14.18 |  | 60.0                     |  | 51.8             
|14.19 |  | 59.0                     |  | 51.4             
|14.20 |  | 58.0                     |  | 50.9             
|14.21 |  | 57.0                     |  | 50.5             
|14.22 |  | 56.0                     |  | 50.0             



Note 1. Analog channel load: 80
channels at 3.1% OMI

2. Digital channel load: 54 channels at 1.55% OMI

3. Transmitter output: 7 dBm into Marconi FOA

4. Fiber length (transmitter to RDT): 25 km

5. PRECRDT FOA: 5 dBm

6. Fiber length (RDT to ONU): 4 km

7. PREC-1550ONU OIU: -4.0£PREC-1550£0.0



NETWORK MANAGEMENT ALARMS:



Environmental (all), DS1 Alarms (BER, AIS, loss of signal); loss of light, C-N threshold alarm; common equipment card fails, standard TLI
messaging; battery low conditioning; loss of AC charger; generator run; loss of RF; high AMP draw; 30-configurable environmental contacts/RDT; light and AGC limit alarms. Immediate ALL.



A8



---

EXHIBIT B



SYSTEM PRODUCT LIST and PRICE LIST



The following document sets forth the pricing for the Products available for purchase under this Agreement.



|                                   |  |             |  |                                            |  |   |          
|---------------------------------- |  | ----------- |  | ------------------------------------------ |  | - | ---------
|MESA Cabinet                       |  |             | 
|                                   |  |             | 
|                                   |  | MOD-841     |  | MESA 4 Cabinet Kit                         |  | $ | 30,000.00
|1                                  |  | J-C0440L2   |  | MESA4 Cabinet, wired for 1344 lines (FITL) |  |   |          
|4                                  |  | 486530400   |  | Vortex 15amp Rectifier Module              |  |   |          
|2                                  |  | J-C0440L24  |  | Mux Powering Cable                         |  |   |          
|4                                  |  | J-C0440L33  |  | (4) Johnson Controls 12V 79AH Batteries    |  |   |          
|2                                  |  | J-C0440L41D |  | Telect 56 Port DSX                         |  |   |          
|2                                  |  | J-C0440L45  |  | DSX Power Cabling                          |  |   |          
|1                                  |  | J-C0440L68  |  | 6 SWX Shelf with Video Wiring             |  |   |          
|1                                  |  | J-C0440L68A |  | 6 SWX Shell                               |  |   |          
|1                                  |  | J-C0440L70  |  | FITL Power Upgrade Kit                     |  |   |          
|1                                  |  | J-C0441L71  |  | Alm, X-Conn to DISC*S                      |  |   |          
|1                                  |  | JC0440L72   |  | RCX Shelf/RF Return                        |  |   |          
|1                                  |  | J-C0440L75  |  | Cable RCX / TX 12 ft.                      |  |   |          
|1                                  |  | J-CO440L76  |  | Fiber Jumper Kit for Mux Mounted in Bay 4  |  |   |          
|1                                  |  | J-C0440L77  |  | Fiber Jumpers Sys 1 / OCS 1-3              |  |   |          
|1                                  |  | J-C0440L78  |  | Fiber Jumpers Sys 1 / OCS 4-7              |  |   |          
|1                                  |  | J-C0440L79  |  | Fiber Jumpers Sys 2 / OCS 1-3              |  |   |          
|1                                  |  | J-C0440L80  |  | Fiber Jumpers Sys 2 / OCS 4-7              |  |   |          
|1                                  |  | 65-108-08L1 |  | DS-1 Cable Assembly                        |  |   |          
|14                                 |  | J-C0440L14  |  | Optical Channel Shelf                      |  |   |          
|                                   | 
|Supporting MESA Cabinet Components |  |             | 
|                                   |  |             | 
|                                   |  | OCS-COM-05  |  | OCS Common Cards                           |  | $ | 250.21   
|1                                  |  | 41-020-50   |  | OMU1B                                      |  |   |          
|1                                  |  | 4102031E    |  | OPU2E                                      |  |   |          
|                                   |  | MOD-303     |  | Common Shelf Card Kit                      |  | $ | 6,100.29 
|2                                  |  | 4100880D    |  | PCU1D - Power Converter Unit               |  |   |          
|2                                  |  | 4100840P    |  | LIU1P - Line Interface Unit                |  |   |          
|6                                  |  | 41-008-45   |  | LSU, Line Suppressor Unit                  |  |   |          
|2                                  |  | 4140860B    |  | CPU3B - Central Processor Unit             |  |   |          
|2                                  |  | 4140861A    |  | SPU2 - Signal Processor Unit               |  |   |          
|2                                  |  | 4120870A    |  | TRU1, Transmit/Receive Unit                |  |   |          
|1                                  |  | 4100883C    |  | MU2C - Maintenance Unit                    |  |   |          
|1                                  |  | 41-108-87   |  | AU3 - Alarm Unit                           |  |   |          
|0                                  |  | 4102179A1   |  | OIU79 HDT - Optical Interface Unit         |  | $ | 350.00   
|0                                  |  | 4102107L2   |  | Splitter/WDM 32 Fiber Connectorized        |  | $ | 5,550.00 
|0                                  |  | 41-090-05   |  | Dual 1x4 RF Combiner Module                |  | $ | 125.00   
|0                                  |  | 41-090-02   |  | 8-Port RF Combiner Module                  |  | $ | 80.00    
|0                                  |  | F004210     |  | MESA 4 Template                            |  | $ | 318.00   
|0                                  |  | F003813     |  | Juice Box                                  |  | $ | 1,560.00 
|0                                  |  | F003499     |  | Juice Box Template                         |  | $ | 83.20    
|0                                  |  | 4102116L4   |  | AM-VSB EDFA Shelf (4-Port)                 |  | $ | 25,000.00



B1



---

|                                                   |  |             |  |                                            |  |   |          
|-------------------------------------------------- |  | ----------- |  | ------------------------------------------ |  | - | ---------
|Optical Network Unit Components                    |  |             | 
|                                                   |  |             | 
|                                                   |  | MOD-ONU-RF  |  | ONU Card Kit (Voice, Video & RF Return)    |  | $ | 1,200.00 
|1                                                  |  | 4102149A4   |  | OIU49 ONU - Optical Interface Unit         |  |   |          
|1                                                  |  | 4102052D    |  | DTU1D                                      |  |   |          
|1                                                  |  | 4102081E    |  | NPC2E                                      |  |   |          
|0                                                  |  | F112703     |  | Low Profile Pedestal                       |  | $ | 149.00   
|0                                                  |  | F112659     |  | ONU Internals (Low Profile Single Family ) |  | $ | 251.00   
|0                                                  |  | F112716     |  | Coax Adapter Kit                           |  | $ | 19.00    
|0                                                  |  | F778762     |  | 12B Splice Enclosure                       |  | $ | 80.00    
|0                                                  |  | F592627     |  | Fiberseal Bracket                          |  | $ | 7.08     
|0                                                  |  | F014025     |  | R3B1E Protector Module (Black)             |  | $ | 2.00     
|0                                                  |  | F014023     |  | R3B3E Power Pair Protectors (Red)          |  | $ | 2.50     
|0                                                  |  | 41-020-99   |  | QCU60, Quad POTS Card                      |  | $ | 360.00   
|                                                   | 
|MAS SONET Equipment (note 1 year warranty for MAS) |  |             | 
|                                                   |  |             | 
|                                                   |  | IS-XTS-OC3  |  | MAS Sonet Multiplexer                      |  | $ | 10,361.50
|1                                                  |  | 800307      |  | NMCU Network Monitor and Control Card      |  |   |          
|2                                                  |  | 800362      |  | BIU-155 (OSR XTS/XTD Buffer Card)          |  |   |          
|2                                                  |  | 800310/3 SC |  | OC3 OAU-IR 1310nm Optics Card - 13Db. SC   |  |   |          
|4                                                  |  | 800320/4 B  |  | DSSR 4 (4 DS1 Mapper DSX) - BITS Support   |  |   |          
|1                                                  |  | 800350/2    |  | PSCU-28 (28 DS 1 Protection Swich Unit)    |  |   |          
|3                                                  |  | 800676      |  | NE S/W v.5.7 (OC 3 S/W for NMCU)           |  |   |          
|1                                                  |  | 800110      |  | Fiber Management Spool Kit                 |  |   |          
|1                                                  |  | 800112      |  | Cable Guide Cover for 23 Rack (2)         |  |   |          
|1                                                  |  | 800772/10   |  | 10ft Cable - Amphenol-Amphenol Male-Male   |  |   |          
|                                                   | 
|Central Office Terminal Components                 |  |             | 
|                                                   |  |             | 
|                                                   |  | KGC-COT     |  | COT Common Shelf Kit equipped with:        |  | $ | 3,377.00 
|1                                                  |  | J-C0443L1   |  | T Bay Wired for (1) COT Common Shelf      |  |   |          
|                                                   |  | KGC-SS      |  | Supervisory Management System              |  | $ | 12,720.00
|1                                                  |  | JCS443L9    |  | Supervisory System Element Manager         |  |   |          
|1                                                  |  | 4105048     |  | Feature Package 1070 Software              |  |   |          
|                                                   |  | COT-COM-CD  |  | Common Cards for COT                       |  | $ | 4,438.00 
|1                                                  |  | 4100880D    |  | PCU1D - Power Converter Unit               |  |   |          
|1                                                  |  | 4100840P    |  | LIU1P-Line Interface Unit                  |  |   |          
|1                                                  |  | 4120860B    |  | CPU3B - Central Processor Unit             |  |   |          
|1                                                  |  | 4120861A    |  | SPU2 - Signal Processor Unit               |  |   |          
|1                                                  |  | 4100870     |  | TRU1, Transmit/Receive Unit                |  |   |          
|1                                                  |  | 4100883C    |  | MU2C - Maintenance Unit                    |  |   |          
|1                                                  |  | 41-108-86   |  | AU3 - Alarm Unit                           |  |   |          



B2



---

EXHIBIT C



Technical Documentation



Marconi Communications Technical Documentation can be purchased as a CD-ROM or binder set. When the CD-ROM is updated, the new release will be sent to the individual on
the distribution list.



For questions concerning orders, the part numbers,
issue numbers or literature content; please contact Rachell Haines Communications Customer Service Representative at (972) 916-4233.



Technical Documentation Library - CD-ROM



|                                   |  |                                                                                                                                                 |  |       |  
|---------------------------------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------- |  | ----- | -
|Marconi Communications Part Number |  | Title                                                                                                                                           |  | Price
|                                   |  | Complete Technical Documentation Library on CD-ROM                                                                                              |  |       |  
|363-230-000/5.1                    |  |                                                                                                                                                 |  |       |  
|                                   |  | Note: All documents listed as included in the Binder Set and individual miscellaneous documents on subsequent pages are included on the CD-ROM. |  | $     | 0



C1



---

1.1.1.1.1 DISC«S
Binder Set



|                    |  |                                                                            |  |       |   |          |    |           |     
|------------------- |  | -------------------------------------------------------------------------- |  | ----- | - | -------- | -- | --------- | ----
|Marconi Part Number |  | Title                                                                      |  | Price |   | IssueNo. |    | IssueDate
|363-250-000/5.1     |  | DISC«S Binder
Set                                                          |  | $     | 0 |          | 6  |           | 6/99
|363-250-001/5.1     |  | DISC«S Planning & Engineering Binder Includes:                             |  | $     | 0 |          | 3  |           | 6/99
|363-255-100         |  | DISC«S General
Description                                                 |  | $     | 0 |          | 4  |           | 4/98
|363-265-100         |  | DISC«S MX General
Description                                              |  | $     | 0 |          | 2  |           | 8/98
|363-250-110         |  | DISC«S TR-303 Application
Engineering                                      |  | $     | 0 |          | 1  |           | 5/97
|353-265-200         |  | DISC«S MX Application
Engineering                                          |  | $     | 0 |          | 2  |           | 8/98
|363-260-020/5.1     |  | Supervisory System Binder Includes:                                        |  | $     | 0 |          | 3  |           | 6/99
|363-250-350/5.1     |  | Supervisory System Description, Installation & Turnup                      |  | $     | 0 |          | 2  |           | 8/98
|363-250-610/5.1     |  | Supervisory System Administration                                          |  | $     | 0 |          | 2  |           | 8/98
|363-260-251/5.1     |  | Supervisory System Users Manual                                           |  | $     | 0 |          | 3  |           | 6/99
|363-250-002/5.1     |  | DISC«S Central Office Terminal Installation & Maintenance Binder Includes: |  | $     | 0 |          | 4  |           | 6/99
|363-250-300         |  | Central Office Terminal Installation                                       |  | $     | 0 |          | 2  |           | 6/99
|363-250-301         |  | COT Acceptance & Turnup                                                    |  | $     | 0 |          | 7  |           | 6/99
|363-250-501/5.1     |  | End to End Test Procedures                                                 |  | $     | 0 |          | 3  |           | 6/99
|363-250-500/5.1     |  | DISC«S Maintenance & Trouble
Clearing                                      |  | $     | 0 |          | 3  |           | 6/99
|363-252-402         |  | Channel Unit Installation Procedures                                       |  | $     | 0 |          | 4  |           | 6/96
|363-250-003/5.1     |  | DISC«S Remote Digital Terminal Installation & Maintenance Binder Includes: |  | $     | 0 |          | 4  |           | 6/99
|363-250-400         |  | RDT Installation                                                           |  | $     | 0 |          | 5  |           | 6/99
|363-250-401         |  | RDT Acceptance & Turnup                                                    |  | $     | 0 |          | 10 |           | 6/99
|363-258-400         |  | High Density DISC«S
Installation                                           |  | $     | 0 |          | 1  |           | 9/00
|363-258-401         |  | High Density DISC«S Acceptance
& Turnup                                    |  | $     | 0 |          | 1  |           | 9/00
|363-250-501/5.1     |  | End to End Test Procedures                                                 |  | $     | 0 |          | 3  |           | 6/99
|363-250-500/5.1     |  | DISC«S Maintenance & Trouble
Clearing                                      |  | $     | 0 |          | 3  |           | 6/99
|363-256-260         |  | Deep Fiber HFC Users Guide                                                 |  | $     | 0 |          | 1  |           | 9/00
|363-252-402         |  | Channel Unit Installation Procedures                                       |  | $     | 0 |          | 4  |           | 6/96



C2



---

|                    |  |                                                    |  |       |   |          |    |           |      
|------------------- |  | -------------------------------------------------- |  | ----- | - | -------- | -- | --------- | -----
|Marconi Part Number |  | Title                                              |  | Price |   | IssueNo. |    | IssueDate
|363-252-005         |  | DISC«S Channel Units Binder Includes:              |  | $     | 0 |          | 10 |           | 6/99 
|363-252-701         |  | DCU 10/101 Description, Application & Installation |  | $     | 0 |          | 1  |           | 10/95
|363-252-702         |  | DCU 20 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 10/98
|363-252-703         |  | DCU 28 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 2/99 
|363-252-704         |  | DCU 30/301 Description, Application & Installation |  | $     | 0 |          | 3  |           | 3/99 
|363-252-705         |  | DCU 33 Description, Application & Installation     |  | $     | 0 |          | 1  |           | 10/95
|363-252-706         |  | DCU 36 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 5/96 
|363-252-707         |  | DCU 37/371 Description, Application & Installation |  | $     | 0 |          | 1  |           | 9/95 
|363-252-708         |  | DCU 38 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 11/95
|363-252-731         |  | DCU 44 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 1/99 
|363-252-709         |  | DCU 61 Description, Application & Installation     |  | $     | 0 |          | 1  |           | 11/95
|363-252-740         |  | DCU 103 Description, Application & Installation    |  | $     | 0 |          | 1  |           | 10/97
|363-252-725         |  | DFU 28 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 10/96
|363-252-710         |  | SCU 1 Description, Application & Installation      |  | $     | 0 |          | 2  |           | 11/95
|363-252-711         |  | SCU 3 Description, Application & Installation      |  | $     | 0 |          | 2  |           | 1/96 
|363-252-712         |  | SCU 4 Description, Application & Installation      |  | $     | 0 |          | 2  |           | 3/96 
|363-252-713         |  | SCU 12 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 5/96 
|363-252-714         |  | SCU 13 Description, Application & Installation     |  | $     | 0 |          | 5  |           | 1/99 
|363-252-715         |  | SCU 22/221 Description, Application & Installation |  | $     | 0 |          | 1  |           | 9/95 
|363-252-737         |  | SCU 27 Description, Application & Installation     |  | $     | 0 |          | 3  |           | 1/99 
|363-252-729         |  | SCU 41 Description, Application & Installation     |  | $     | 0 |          | 1  |           | 1/98 
|363-252-716         |  | SCU 52 Description, Application & Installation     |  | $     | 0 |          | 4  |           | 6/98 
|363-252-717         |  | SCU 57 Description, Application & Installation     |  | $     | 0 |          | 3  |           | 9/98 
|363-252-720         |  | SFU 3 Description, Application & Installation      |  | $     | 0 |          | 2  |           | 10/96
|363-252-721         |  | SFU 4 Description, Application & Installation      |  | $     | 0 |          | 2  |           | 10/96
|363-252-722         |  | SFU 13 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 1/99 
|363-252-723         |  | SFU 22 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 8/96 
|363-252-724         |  | SFU 52 Description, Application & Installation     |  | $     | 0 |          | 2  |           | 6/96 
|363-252-728         |  | QCU 20 Description, Application & Installation     |  | $     | 0 |          | 1  |           | 8/97 
|363-252-738         |  | QCU 60 Description, Application & Installation     |  | $     | 0 |          | 1  |           | 6/98 



C3



---

EXHIBIT D



SUPPORT AND MAINTENANCE



Marconi Global



Managed Services



Customer



Support Guide



Revision 3.0

September, 2000



All information contained in this Exhibit D is for reference only. The terms contained in this Exhibit D and services proposed herein are subject to amendment upon
mutual agreement of the parties.



D1



---

|                                                                                         |  |   
|---------------------------------------------------------------------------------------- |  | --
|Table of Contents                                                                       
|                                                                                         | 
|MARCONI Global Managed Services (GMS) Support Programs                                   |  | 2 
|                                                                                         | 
|Marconi Support                                                                          |  | 5 
|                                                                                         | 
|System Support Programs                                                                  |  | 5 
|Marconi 10x5 Business Response System Support                                            |  | 5 
|Marconi 24x7 Strategic Response System Support                                           |  | 5 
|                                                                                         | 
|System Support Features                                                                  |  | 5 
|                                                                                         | 
|TACtics Online                                                                           |  | 5 
|Hardware Support                                                                         |  | 7 
|Three-day (Business Days) Return-to-Factory RMA Service                                  |  | 7 
|Advance Replacement                                                                      |  | 7 
|4 Hour Parts Support                                                                     |  | 7 
|4 Hour Parts and Service Support                                                         |  | 7 
|Hardware Maintenance Options                                                             |  | 8 
|                                                                                         | 
|Ordering Information                                                                     |  | 8 
|                                                                                         | 
|Training Services                                                                        |  | 8 
|Payment Policy                                                                           |  | 10
|                                                                                         | 
|Marconi Services                                                                         |  | 10
|Plan  Consulting Services                                                               |  | 10
|                                                                                         | 
|Consulting                                                                               |  | 10
|                                                                                         | 
|Build  Implementation Services                                                          |  | 11
|Daily and Hourly Rates                                                                   |  | 13
|                                                                                         | 
|Field Network Engineering Services (FNES)                                                |  | 13
|Dispatched Network Engineering Services                                                  |  | 13
|                                                                                         | 
|Dedicated Network Engineering Services                                                   |  | 14
|Operational Value-add Services                                                           |  | 14
|                                                                                         | 
|Appendix A: Hardware Maintenance Parts Only Option Response Areas                        |  | 15
|                                                                                         | 
|Appendix B: Hardware Maintenance 4 Hr. Parts and Service Support Option - Response Areas |  | 16
|                                                                                         | 
|Appendix C: Marconi Services Observed Holiday Schedule                                   |  | 16



MARCONI Global managed Services
(GMS) support Programs



Marconi GMS offers a comprehensive set of support
programs designed to support Marconi customers networking solution through comprehensive hardware and software services from installation through their operational life cycle.



SUMMARY:



The goal of Marconi Services Global Managed Services (GMS) is to provide world-class comprehensive support and service to our customers and partners worldwide.



To make this happen, Marconi has a comprehensive package of technical support,
consulting, and training services.



This document provides an overview of these
service and support programs.



D2



---

Marconi Support



Marconi customers are encouraged to subscribe to the MarconiCustomer Support Program. The MarconiCustomer support program offers access to the full range
of Marconi Technical Support capabilities for a fixed annual fee. MarconiSupport is offered in different levels according to your business needs.



Education Services



Marconis goal is that customers have the information needed to properly understand and operate their own network infrastructure. Quality technical training is an important aspect of Marconis overall
support strategy as properly trained customers can design and support their own network better than anyone else.



System Installation Services



Marconi offers on-site installation support covering the installation, configuration, and orientation of key personnel.



Customized Service Programs



Marconi offers a variety of customer services available on an as-needed basis. These
services include professional network consulting and primary site support.



Marconis Technical Support



Marconis TAC is the
focal point of Marconi support. Our Technical Support Engineers (TSEs) possess detailed knowledge of the complete product family and all aspects of internetworking technology. Marconi TSEs staff our global TAC centers located around the world:



| |  | Australia, Sydney
| | - | -----------------



| |  | Canada, Montreal
| | - | ----------------



| |  | Germany, Backnang
| | - | -----------------



| |  | Ireland, Dublin
| | - | ---------------



| |  | Italy, Latina
| | - | -------------



| |  | Japan, Tokyo
| | - | ------------



| |  | United Kingdom, Coventry
| | - | ------------------------



| |  | United Kingdom, Liverpool
| | - | -------------------------



| |  | United States, Cleveland
| | - | ------------------------



| |  | United States, Dallas
| | - | ---------------------



| |  | United States, Pittsburgh
| | - | -------------------------



In addition to the TAC personnel, Marconi also has field-based Network Engineers and Systems Engineers available to assist with pre- and post-sales issues.



The TAC consists of five groups: Level 1, Level 2, Level 3 and Level 4 TAC Support Groups, and Return Material Authorization (RMA) Group.



Level 1 Support



The Level 1 Support group is the first point of contact into Marconis TAC. These
individuals take the first call, and ensure that the proper information is entered into the Call Tracking System (CTS). Additionally, they assist End-Users with simple configuration and problem resolution.



Level 2 Support



Once a case has been entered into the CTS, a Marconi TSE handles the case. TSEs are grouped according to product type and it is their job to
work a case to closure or escalate to the Level 3 Support Group. This strong teaming aspect within the TAC, and within the product groups, develops additional experience and leadership.



TSEs have access to a variety of labs with Marconi equipment, as well as equipment from other vendors, to assist in recreating the specific
problem an End-User may be experiencing. In addition to the equipment in the labs, the engineers have access to the most modern analysis tools from traffic generators to high-speed protocol analyzers.



Marconi GMS Customer Support Guide

D3



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Level 3 Support



This team is the escalation point from the Level 2 Support Group to ensure that problems are solved in an expeditious time frame and Partner satisfaction is maintained.



This group consists of senior Network Analysts dedicated to working on
critical network problems. This organization is responsible for ensuring all available resources are applied to the problem so that a resolution can be reached as quickly as possible for all escalated cases.



Level 4 Support



Level 4 Support consists of Product Engineering and Development. Problems escalated into these organizations are complex issue analysis and
resolution requiring hardware, firmware, and/or software fixes.



Level 4
Support is ensures that all available resources are applied to the problem so that a resolution can be reached as quickly as possible for all escalated cases. Access to this group is via the Level 3 Group.



TAC Access



When a call is directed to the TAC, Level 1 Support will ensure that the folio wing happens:



| |  | The call is logged into the Call Tracking System with appropriate information
| | - | -----------------------------------------------------------------------------



| |  | The call is assigned a case number
| | - | ----------------------------------



| |  | A TSE is assigned to the case
| | - | -----------------------------



| |  | The TSE owns the case and:
| | - | --------------------------



| |  | works with the customer to answer questions
| | - | -------------------------------------------



| |  | provides advice on system use
| | - | -----------------------------



| |  | assists with system configuration
| | - | ---------------------------------



| |  | rectifies a system malfunction
| | - | ------------------------------



Cases opened in the TAC are given a severity level agreed upon between the TSE and the customer as follows :



|               |  |                                                                     |  |                                                                                |  |                                                                                              
|-------------- |  | ------------------------------------------------------------------- |  | ------------------------------------------------------------------------------ |  | ---------------------------------------------------------------------------------------------
|Severity Level |  | Production Network                                                  |  | Test/Development Network                                                       |  | Commitment                                                                                   
|Critical       |  | Network is down.Noworkaround isavailable. Production hasstopped.    |  |                                                                                |  | Marconi andCustomer work 24 x7 to resolve situation                                          
|               |  |                                                                     | 
|High           |  | Network functionalityis severely limited.No workaround isavailable. |  | Network is down, orfunctionality isseverely limited.No workaround isavailable. |  | Marconi andCustomer workto dedicate resourcesduring normalbusiness hours toresolve situation.
|               |  |                                                                     | 
|Medium         |  | Limited functionality,but a workaround isavailable.                 |  |                                                                                |  |                                                                                              
|               |  |                                                                     | 
|Low            |  | General questions,enhancements, and/or documentation errors.        |  |                                                                                |  |                                                                                              



Marconi GMS Customer Support Guide

D4



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Based on the level of severity (i.e., Critical, High, Medium, Low) of the case, the appropriate TSE is assigned to the
case. For problems of a Critical and/or High nature, the following notification process has been put in place to ensure that the proper attention and resources are mobilized to restore the network. The CTS alerts the appropriate personnel, through
automatic paging and/or e-mail, when the following criteria are met:



|                    |  |                                    |  |                                                                    |  |                                                                 
|------------------- |  | ---------------------------------- |  | ------------------------------------------------------------------ |  | ----------------------------------------------------------------
|Priority Clock Time |  | Low/Medium                         |  | High                                                               |  | Critical                                                        
|1 Hour              |  | N/A                                |  | N/A                                                                |  | TAC Managers                                                    
|                    |  |                                    | 
|4 Hours             |  | N/A                                |  | TAC Managers                                                       |  | Director, Tech SupportRegional Sales DirectorRegional SE Manager
|                    |  |                                    | 
|8 Hours             |  | N/A                                |  | Director, Tech. Support,Regional Sales DirectorRegional SE Manager |  | Sr. Director, GMS VP, Sales                                     
|                    |  |                                    | 
|24 Hours            |  | TAC Manager, Director, TechSupport |  | Summary Email President andVPs                                     |  | Summary Email President andVPs                                  



Marconi Support



Marconis Support programs consist of two main elements, System Support and Hardware
Support. A customer must choose a Systems Support program and a Hardware Maintenance option. This information is summarized as follows:



System Support Programs



Marconi offers two different System Support programs that allow the customer to choose the access to technical support, software and electronic tools that meet their business objectives.



NOTE: All equipment, of the same type, at the customer site must be placed under the
same level of Systems Support: Business Response or Strategic Response. Different Hardware Maintenance Options can be applied to the equipment.



Marconi 10x5 Business Response System Support



Marconis Business Response System Support offers 10x5 access to Marconis TAC, This program can be selected by customers who use their networks primarily
during business hours and do not have a requirement to contact Marconis TAC outside of normal business hours.



This program operates 5 days per week, Monday through Friday, excluding holidays. This is 8 AM to 6 PM local customer time. This program is also suitable for customers
currently operating their network in a test bed or evaluation environment.



Marconi 24x7 Strategic Response System Support



Marconis
Strategic Response System Support offers 24x7 access to Marconis TAC. This program is recommended to customers that require access to Marconis TAC at any time, day or night. It is intended for customers with mission-critical networks
requiring uptime beyond a normal business day. Customers with full-time production networks would likely choose this program.



System Support Features



| |  | Access via phone, fax, and e-mail to Marconis TAC
| | - | --------------------------------------------------



| |  | Selected software Releases, Versions, Updates, Upgrades, and Maintenance Releases. Marconi software updates may involve the installation of a new major software version or a
maintenance software version. A major release update reflects a version change, for example, 3.4.3 to 4.0. Modifications to the hardware configuration or microcode of the system may require additional charges.
| | - | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  | Access to Marconis TACtics Online
| | - | ----------------------------------



TACtics Online



TACtics Online provides Marconi Customers with real time support via the World Wide Web. Marconi is always looking for ways to keep our customers informed and to make it easy for you to contact us whenever you want
and wherever you are.



Thats why Marconi has invested in TACtics Online,
one of the most comprehensive Web-based support services in the industry. Everything that you can do with a phone call to a TAC can also be done online, with the added dimension of



Marconi GMS Customer Support Guide

D5



---

real-time collaboration. And the online service is included in both our Business Response and Strategic Response service programs.



Work Smarter, Not Harder to Support Networks that Last



| |  | Submit a Case
| | - | -------------



| |  | Track a Case
| | - | ------------



| |  | Track Your RMA Case History
| | - | ---------------------------



| |  | Access Technical Documentation
| | - | ------------------------------



| |  | Search the Knowledge Base
| | - | -------------------------



| |  | Store Network Drawings
| | - | ----------------------



| |  | Download Software
| | - | -----------------



Submit a Case



TACtics Online users
receive secure account access to our TACtics Online server. When a networking issue is submitted online, a Level One Support Engineer initiates the tracking process and responds with a status update.



Track a Case



With online access, you are able to monitor the status of open cases, as well as provide updates and communicate with TAC support personnel
around the clock. You also have the ability to escalate an open case if you feel that the problem resolution is taking too long or if a major change in the severity of the case requires immediate attention.



Access Technical Documentation



The most current technical publications, techtips and FAQs are available online.



Search the Knowledge Base



TACtics Online users are able to enhance their understanding of Marconi products by using
our Knowledge Base Web pages. Knowledge Base also provides users with a forum to contribute product knowledge, as well as opportunities for users to offer feedback on Marconi products and services.



Store Network Drawings



TACtics Onlines archive allows you to store network drawings in electronic form and collaborate with TAC personnel to trouble- shoot
support issues in real time.



Download Software



The latest software releases and remedial patches are available to download. In addition, a
software archive of back-rev code is also available to TACtics Online account holders.



System Support Programs



The following
table summarizes the System Support Program Options:



|                                    |  |                                                                                         |  |                                                                    |  |                                       
|----------------------------------- |  | --------------------------------------------------------------------------------------- |  | ------------------------------------------------------------------ |  | --------------------------------------
|Features                            |  | Warranty                                                                                |  | Business Response                                                  |  | Strategic Response                    
|Term                                |  | 90 day S/W                                                                              |  | 12 months                                                          |  | 12 months                             
|                                    |  |                                                                                         | 
|Technical Phone Support, Fax/e-mail |  | 8 AM5 PM EST Monday  Friday (excludes Marconi Holidays) No Priority Toll-Call 90 days |  | 8 AM6 PM Local Time Monday  Friday Toll-Free, excluding Holidays |  | 24 Hours a Day 7 Days a Week Toll-Free
|                                    |  |                                                                                         | 
|Software Upgrades                   |  | Includes 90 day remedial only                                                           |  | Included                                                           |  | Included                              
|                                    |  |                                                                                         | 
|TACtics Online                      |  | Not Included                                                                            |  | Included                                                           |  | Included                              



Marconi GMS Customer Support Guide

D6



---

Hardware Support



Marconi offers a number of different hardware maintenance options. The level and cost of hardware support varies for each option, allowing the customer to choose the
level of support they desire for their critical Marconi hardware components.



Three-day (Business Days) Return-to-Factory RMA Service



This
repair option is a good choice for network components which are not mission-critical or where the customer stocks spare parts for rapid replacement. The customer ships the failed part to Marconi. Within 3 business days from receipt, a repaired or
replacement unit is shipped best-way ground and Marconi will pay return freight charges to the customer. If the unit cannot be repaired within the contracted timeframe (3 business days), a new or reconditioned, good-as-new
part will be issued and shipped. The customer is responsible for the freight charges when shipping the unit to Marconis repair facility.



Advance Replacement



The advance, next-business day option is recommended when access to replacement hardware is critical, but does not require same-day delivery. If the TAC has diagnosed the unit as failed by 6 PM ET, a reconditioned
part will be issued and shipped via next-business day freight to the customer. Marconi is responsible for all shipping charges.



Customers are required to send the failed component back to Marconi within fifteen (15) business days after receipt of the replacement part from Marconi. Customers are
invoiced at list price and required to pay for all parts not received by Marconi.



4 Hour Parts Support



NOTE: This option is available with the
24x7 Strategic System Support Program only.



This level of support offers
customers the option of 4 hr. on-site parts for customers who maintain their own networks directly and do not need or desire on-site assistance for troubleshooting purposes. This service offers 4-hour response time to the customer site with parts
delivery only, after diagnosed by Marconi TAC Engineer and support is verified by Logistics/RMA Group.



Customers are required to send the failed component back to Marconi within fifteen (15) business days after receipt of the replacement part from Marconi. Customers are invoiced at list price and required to pay for
all parts not received by Marconi. This service is available in select areas as specified in Appendix A. For coverage in areas not listed in Appendix A, please contact the Marconi Service Sales Team at 724-742-7774 or by
email at servicesales@fore.com. The Marconi Service Sales Team will ensure that all prerequisites are met before stocking a new parts depot.



4 Hour Parts and Service Support



NOTE: This option is available with the 24x7 Strategic System Support Program only.



This option is available to those customers requiring on-site service in addition to quick parts delivery. Support service is offered using
both Marconi personnel as well as Marconis Worldwide Authorized Service Providers, and is provided 24 hours per day, 7 days per week.



A qualified Customer Engineer (either a direct Marconi employee or Marconi Authorized Service Provider) will arrive at a customer site within four hours with the
necessary parts to restore network connectivity. The 4 hr. clock begins after failed component is diagnosed by Marconi TAC Engineer and support is verified by Logistics/RMA Group.



In addition, this engineer will assist the customer, along with Marconis TAC, with additional relevant on-site issues should they
arise during the course of hardware replacement.



This service is available in
select areas as specified in Appendix B. For coverage in areas not listed in Appendix A, please contact the Marconi Service Sales Team at 724-742-7774 or by email at servicesales@fore.com. The Marconi Service Sales Team will
ensure that all prerequisites are met before stocking a new service location and parts depot.



Marconi GMS Customer Support Guide

D7



---

Hardware Maintenance Options



|                                    |  |                                                     |  |                                  |  |                                                                            |          |                                               |          |                                              
|----------------------------------- |  | --------------------------------------------------- |  | -------------------------------- |  | -------------------------------------------------------------------------- | -------- | --------------------------------------------- | -------- | ---------------------------------------------
|Features                            |  | Warranty                                            |  | 3 Day inFactory                  |  | Advance-Replacement                                                        |          | Parts Only                                    |          | Parts/Service                                
|                                    |  |                                                     |  |                                  |  |                                                                            |          | Available only with Strategic Response Option |          | Available only with Strategic Response Option
|                                    |  |                                                     |  |                                  | 
|Length of Term                      |  | 12 months                                           |  | 12 months                        |  | 12 months                                                                  |          | 12 months                                     |          | 12 months                                    
|                                    |  |                                                     |  |                                  | 
|Hardware Repaired or Replaced (RMA) |  | 10 Business day Return to Factory, No access to TAC |  | 3 Business day Return to Factory |  | Advance- Replacement: In by 6PM (EST), shipped to arrive next business day |          |       24 hours per day                       |          |       24 hours per day                      
|                                    |  |                                                     |  |       7 days per week           |  |       7 days per week                                                    
|                                    |  |                                                     |  |       4-hour On-site            |  |       4-hour On-site                                                     
|                                    |  |                                                     |  | response time via                |  | response time via                                                         
|                                    |  |                                                     |  |                                  |  | Authorized Parts                                                           |          | Authorized Parts                             
|                                    |  |                                                     |  |                                  |  |                                                                            | Provider |                                               | Provider
|                                    |  |                                                     |  |                                  |  |                                                                            |          |                                               |          |       On-site Service                       
|                                    |  |                                                     |  |                                  | 
|                                    |  |                                                     |  |                                  |  |                                                                            |          | See Notes 1 and 3.                            |          | See Notes 2, 3, and 4.                       



Note 1. Sites limited to the
locations listed in Appendix A.



Note 2.Sites limited to
the locations listed in Appendix B.



Note 3.Additional
sites require Marconi Service Sales Team approval and 90 days to activate.



Note 4.Available for Installed Base of $100K.



Ordering
Information



Please contact the Marconi Service Sales Team at 724-742-7774
or by email at servicesales@fore.com for more details.



NOTE: Marconi will
provide discounts for customers desiring to purchase Support Contracts for periods in excess of the standard one year period.



Customers select the services defined above using the Part Numbers in the following table. Customers can select the System Support Program and Hardware Maintenance Option
that satisfies their own networking support needs.



|            |  |                                                     
|----------- |  | ----------------------------------------------------
|Part Number |  | 10x5 Business Response Package                      
|SUPP-B      |  | Support, Business Response, S/W Support Only        
|SUPP-B-3    |  | Support, Business Response, 3 day return to factory 
|SUPP-B-A    |  | Support, Business Response, advance replacement     
|            |  | 24x7 Strategic Response Package                     
|SUPP-S      |  | Support, Strategic Response, S/W Support Only       
|SUPP-S-3    |  | Support, Strategic Response, 3 day return to factory
|SUPP-S-A    |  | Support, Strategic Response, advance replacement    
|SUPP-S-PO   |  | Support, Strategic Response, 4 hr. parts only       
|SUPP-S-PS   |  | Support, Strategic Response, 4 hr. parts and service



Training Services



Marconi offers a full suite of courses to help you understand the technology and
implementation issues related to your Network.



Flexible Training Options



Classroom courses are taught worldwide at both Marconi and Marconi
Certified Training Partners facilities, or on-site at a customers premise. To maintain an optimum student-to- equipment ratio at a customers site, class size is limited to 12.



Marconi GMS Customer Support Guide

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In addition, Marconi offers a full suite of self-paced, computer-based tutorials for a cost-effective alternative to
classroom courses. For up-to-date course descriptions and class schedules, go to: http://www.marconi.com/services/training/americas/



Marconi Certification Program



Marconi offers a Certification program for those persons desiring to prove their abilities related to Marconi products. The program is job function based, meaning that
you will be certified as capable of performing a specific set of functions with Marconi products. The two new titles offered are the Marconi Public network Engineer (PNE) and the Marconi Enterprise Network Engineer (ENE).



Web-based LAN Theory



This fundamental web-based theory course answers the question, What is a LAN? Included in this eight module course: the history
and evolution of LANs, common LAN topologies, connection-oriented and connectionless LAN communication, common protocol functions, the Open System Interconnection (OSI) Reference Model, Ethernet topology and media options, Token Ring and FDDI
networks. This is a good primer for understanding the different types of LAN networks available for transporting information.



Web-based WAN Theory



This fundamental web-based theory tutorial answers the question, What is a WAN? This is a good primer for understanding Wide Area Network (WAN) connectivity to enable individuals and organizations take
further advantage of internetworking services such as the Internet, e-commerce, and videoconferencing. Included in this five module course: WAN Overview, System Influences, WAN Access, Framing, Timing and Signaling, and WAN Transport.



Technical Course Offerings



Marconis technical courses are targeted to individuals who want to achieve and
demonstrate a high degree of proficiency in the installation, operation and maintenance (IO&M) of Marconi products.



Re-Certification



Re-Certification is available to Marconi Certified Engineers whose certification has expired and who may want to be updated on Marconis products to maintain their certification.



On-site Technical Education



Marconi Technical Education can provide standard or customized education at your site for up
to 12 students. On-site education eliminates the need and expense of traveling. It also extends training to additional personnel by conducting it on your company premise. If you have six or more students to train in the same geographical area,
on-site education may be cost effective.



Computer-Based Tutorials



Marconi offers self-paced training options that allow you to become
familiar with ATM technology at your convenience.



Certified Training
Partners



Throughout the world, Marconis Certified Training Partners
assist our Technical Education department in the delivery of quality Technical Education courses developed and certified by Marconi.



These highly-qualified partners have met specific program criteria and are continually trained on new Marconi products. To receive Marconis certification, all
Certified Training Partners are required to complete a stringent certification process and are audited regularly in accordance with Professional Services Organization operational procedures.



Multimedia



Test your knowledge of PNNI, MPOA, ATM and LANE theory two different ways: Web Games  Three crossword puzzles, each dedicated to a
specific topic; or Web Tests  Four Multiple choice tests, scores are automatically generated upon completion of the test.



Course Cancellation Policy



Confirmed registrants who cancel at least two weeks prior to class will receive a full refund, or may optionally schedule into another class. Cancellations made within 2
to 14 days prior to a course will result in a 50% refund or the opportunity to



Marconi GMS Customer Support Guide

D9



---

register for a future session. Cancellations within two working days of class or no-shows will forfeit their course fees. Attendee substitutions are
permitted.



A cancellation confirmation number must be obtained from the
Registrar by calling (800) 448-8193 or fax (412) 635-3434. Marconi reserves the right to cancel a class and is not responsible for airline or hotel penalties incurred because of canceled courses. When possible, Marconi will provide at least two
weeks notice of class cancellation.



Payment Policy



Marconi requires that all courses be pre-paid before attending.



For the most up to date information on training in the Americas go to:
http://www.marconi.com/services/training/americas/



For the most current
information on training in EMEA go to: http://www.marconi.com/services/uktrain/



Marconi Services



Marconi Services provides value-added
consulting, implementation and operation services that, when combined with Marconis award-winning products, provide the best-in-class networking solution in the marketplace today.



Marconi Services enables you to maximize your business performance. By leveraging our
technical expertise, global reach and robust service offerings, you actually accelerate project schedules, sell more products and offer more solutions, thereby improving bottom-line profit. We understand that flexibility when working with a vendor
is important, so our services are structured to fit your needs. Services range from simple augmentation of your technical staff to complete turnkey solutions.



Plan  Consulting Services



Marconi Services consultants are experts in multi-service network architecture, design and planning. They provide a full range of services for enterprise and
service providers, including:



| |  | Business consulting
| | - | -------------------



| |  | AC Power Assessments
| | - | --------------------



| |  | CEEC market entry strategy
| | - | --------------------------



| |  | Business plan development
| | - | -------------------------



| |  | Service definition and pricing
| | - | ------------------------------



| |  | Revenue optimization
| | - | --------------------



| |  | Cost/benefit analysis
| | - | ---------------------



| |  | Technical consulting
| | - | --------------------



| |  | Detailed design
| | - | ---------------



| |  | Traffic engineering
| | - | -------------------



| |  | Capacity planning
| | - | -----------------



| |  | NMS Services
| | - | ------------



| |  | E-commerce services
| | - | -------------------



They work with you and your customers to develop viable solutions tailored to your environment. To meet specific business needs, our consultants consider business requirements, cost, performance, reliability,
expandability, upgrade-ability and third-party connectivity in their solutions.



Business Planning SERV-BUSPLAN



Marconi Services offers expertise in the analysis of strategic and financial decisions related to the deployment of an emerging carriers network. This consulting
service is customized to meet the specific needs of your customers. Call a Marconi Services representative to review your customers requirements in more detail.



Network Design Solutions SERV-DESIGN



Marconi develops network solutions that include requirements analysis, network architecture and design, migration plan and cost/benefit analysis to provide a
best-of-breed solution for the customer.



Consulting



Block Time SERV-CNSLTBLCK100



Provides a Marconi consultant on-site for a 100-hour block of time. Customers may use their
100 hours in 8-hour increments.



This time must be used over a one-year period
from the date payment is received at Marconi. On-site consulting hours are from



Marconi GMS Customer Support Guide

D10



---

8 a.m. to 6 p.m., Monday through Friday. After hours, weekend and holiday requests for on-site service are subject to additional fees.



AC Power Assessment  General Office Environment



(up to 75,000 sq ft) SERV-ACPOWERGO1



The electrical infrastructure of your building is the foundation upon which you run all of
your information technology equipment. This service is a comprehensive site analysis of electrical distribution to pinpoint the causes of costly system failures in an office environment up to 75,000 sq ft.



AC Power Assessment  General Office Environment



(75,001 to 150,000 sq ft) SERV-ACPOWERGO2



The electrical infrastructure of your building is the foundation upon which you run all of
your information technology equipment. This service is a comprehensive site analysis of electrical distribution to pinpoint the causes of costly system failures in an office environment of 75,001 to 150,000 sq ft.



AC Power Assessment  General Office Environment



(150,001 to 225,000 sq ft) SERV-ACPOWERGO3



The electrical infrastructure of your building is the foundation upon which you run all of
your information technology equipment. This service is a comprehensive site analysis of electrical distribution to pinpoint the causes of costly system failures in an office environment of 150,001 to 225,000 sq ft.



AC Power Assessment  Computer Room or Data Center



(up to 7,500 sq ft) SERV-ACPOWERCR1



The electrical infrastructure of your building is the foundation upon which you run all of
your information technology equipment. This service is a comprehensive site analysis of electrical distribution to pinpoint the causes of costly system failures in a computer room or data center up to 7,500 sq ft.



AC Power Assessment  Computer Room or Data Center



(7,501 to 15,000 sq ft) SERV-ACPOWERCR2



The electrical infrastructure of your building is the foundation upon which you run all of
your information technology equipment. This service is a comprehensive site analysis of electrical distribution to pinpoint the causes of costly system failures in a computer room or data center of 7,501 to 15,000 sq ft.



AC Power Assessment  Computer Room or Data Center



(15,001 to 22,500 sq ft) SERV-ACPOWERCR3



The electrical infrastructure of your building is the foundation upon which you run all of
your information technology equipment. This service is a comprehensive site analysis of electrical distribution to pinpoint the causes of costly system failures in a computer room or data center of 15,001 to 22,500 sq ft.



MSP Engagement Services SERV-PTNR



Used exclusively for Marconi Services Partner-initiated service engagements.



Build  Implementation Services



Marconi Services engineers and qualified Marconi Services Partners ensure the flawless
implementation and integration of networks at your customers site. All services are accomplished using a structured process with discrete deliverables to guarantee complete customer satisfaction.



Coordination of large infrastructure projects requires time and talent. Marconi Service
engineers will develop a complete installation plan to meet operational requirements and then ensure that this plan is properly executed. A Project Management team performs detailed design assistance, installs the quoted equipment, prepares and
executes a formal test plan, and delivers a comprehensive network documentation package.



| |  | Standard installation
| | - | ---------------------



Marconi GMS Customer Support Guide

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| |  | Managed project implementation
| | - | ------------------------------



| |  | Central office implementation (EF&I services)
| | - | ---------------------------------------------



| |  | ServiceOn implementation
| | - | ------------------------



Standard Installation* SERV-INSTALL



Marconi
installs and configures the equipment quoted. Includes travel and expenses.



Managed Project Implementation** SERV-INST-MP



A Marconi Services team performs project management, detailed design assistance, installs the quoted equipment, prepares and executes a formal test plan and delivers a comprehensive network documentation package. Includes travel and
expenses.



|* | Minimum hardware order for SERV-INSTALL is $30,000.00
|- | -----------------------------------------------------



|** | Minimum hardware order for SERV-INST-MP is $100,000.00
|-- | ------------------------------------------------------



Central Office Managed Project Implementation SERV-COMPI



This service is commonly referred to Engineer, Furnish and Install (EF&I) for regulated environments. This is a turnkey solution for
service providers.



ServiceOn Foundation
Implementation SERV-FVI



ServiceOn Foundation implementation provides 1-day
pre-installation assessment of the Network Management System (NMS), 2.5 days on-site installation and configuration of the network management platform on the workstation and half a day of on-site, hands-on training.



The engineer will verify the management system requirements; ensure that the hardware,
software, and firmware revisions are compatible; design the implementation plan; proceed with the network management server and client installation; and configure the system to reflect the customer-specific network topology. The engineer will also
provide hands-on training on the features of the system and provide personal advice on the relevant migration path for the customers network management system.



ServiceOn Accountant Implementation SERV-FVA



With on-site implementation of ServiceOn Accountant, Marconi dispatches an engineer to perform the installation of the ServiceOn Accountant
client and server, the configuration of the Marconi switches to interface with the ServiceOn Accountant system (enabling the call recording and re-provisioning the circuits), and basic training/orientation on the ServiceOn Accountant product
features at the customers site. This service is intended to take three days and includes one server installation, up to two client installations, and eight switch configurations. The price does NOT include on-site size and performance
requirements evaluation of the ServiceOn Accountant system (see SERV-PRE-FVA); on-site implementation and configuration of the underlying Oracle database (see SERV-ORA-FVA); or expenses.



ServiceOn Accountant Assessment SERV-PRE-FVA



This service provides on-site assessment of the customer-specific size and performance requirements for the ServiceOn Accountant system.
Marconi dispatches an engineer to the customer site to carry out an extensive site survey and define accordingly the call profiles and data retention requirements specific to the customer. Marconi will provide the customer with a set of tailored
specifications for implementing the ServiceOn Accountant system (disk space size and database configuration). This service is intended for a maximum of two days of on-site assessment. Price does NOT include on-site implementation and configuration
of the underlying Oracle database (see SERV-ORA-FVA); on-site implementation of ServiceOn Accountant (see SERV-FVA); or expenses.



Oracle Installation SERV-ORA-FVA



This service provides on-site installation and configuration of the Oracle database to be integrated into the ServiceOn Accountant system. After the customer provides the
size and performance requirements for the ServiceOn Accountant system, Marconi dispatches an engineer to carry out the implementation of the supporting Oracle server and client. Price does NOT include on-site size and performance requirements
evaluation of the ServiceOn Accountant system (see SERV-PRE-FVA); on-site implementation of ServiceOn Accountant (see SERV-FVA); or expenses.



Marconi GMS Customer Support Guide

D12



---

Miscellaneous SERV-MISC



This product number encompasses professional services not listed above. Please call your Regional Services Manager or Marconi Services Consultant to detail an exact
statement of work to ensure proper pricing.



Daily and Hourly Rates



| |  | $2,000/weekday plus expenses
| | - | ----------------------------



| |  | $2,500/weekend and holiday plus expenses
| | - | ----------------------------------------



| |  | $250/hour plus expenses; 8 a.m. to 8 p.m., weekdays, 4-hour minimum
| | - | -------------------------------------------------------------------

(Travel expenses not applicable if resources are within a 50-mi radius of customer site.)

(Time and
material begins at start of travel.)



| |  | $325/hour plus expenses; off-hours, weekends and holidays, 4-hour minimum
| | - | -------------------------------------------------------------------------

(Travel expenses not applicable if resources are within a 50-mi radius of customer site.)

(Time and
material begins at start of travel.)



Marconi Services Partners, a consortium
of certified experts in the New Public Network, assist our Marconi Services organization in designing, implementing, and operating networks. A list of our Marconi Services Partners may be found on our Web site (www.marconi.com)under
Services.



Field Network Engineering Services (FNES)



Field Network Engineering Services (FNES) is part of the Operate segment
of the Marconi Services foundation. FNES provides on-site technical support and on-site value-add assessment services; its the operational feet in the street. FNES is geared to capturing available revenue once the network is up and
running.



IS departments across market segments continue to be under budgetary
pressure to reduce staffing and associated costs while providing higher network availability and throughput. This has forced these groups to view outside network consultants and operations service providers as cost-effective alternatives to
developing and maintaining specific network skills and capabilities in-house.



Dispatched Network Engineering Services



Dispatched On-site
Technical Support FS-ENGR

during business hours (more than 7 days notice);

after hours/weekends (more than 7 days notice);

during business hours (less than 7 days notice);

after hours/weekends (less than 7 days notice);

on Marconi observed
holidays



Dispatched on-site troubleshooting services are provided 24x7, with
advance notice scheduling and emergency response. Response time is best effort. On-site scheduled hours are from 8 a.m. to 8 p.m., Monday through Friday. Focus of effort is post-installation troubleshooting/fault isolation with the purpose of
network restoral and/or performance improvement. Prices are based on a 4-hour minimum.



Block Hours On-site



Technical Support FS-BLOCKENGR



This pre-purchased block of Network Engineering Services hours must be
used over a one-year period from the date payment is received at Marconi. Focus of effort is post-installation troubleshooting/fault isolation with the purpose of network restoral and/or performance improvement. Dispatched Network Engineering
Services are provided 24x7, with advance notice scheduling and emergency response. Response time is best effort. On-site scheduled hours are from 8 a.m. to 8 p.m., Monday through Friday. Scheduled after hours, weekends and holiday requests for
on-site service are subject to additional fees. Customers may use their scheduled hours in 8-hour increments.



Marconi GMS Customer Support Guide

D13



---

Block Dispatched On-site



Technical Support FS-BLOCKENGR-4HR



This is a pre-purchased block of Dispatched Network Engineering Services hours. Focus of effort is post-installation troubleshooting/fault isolation with the purpose of
network restoral and/or performance improvement. This time must be used over a one-year period from the date payment is received at Marconi. Dispatched Network Engineering Services are provided 24x7 for emergency 4-hour response. Price is based on a
4-hour minimum. Service availability is subject to location.



On-call
Retainer Fee FS-RETAINER



This service provides a Network Engineer on
standby via pager who can be dispatched at the customers request. Tins service is often used when a customer is conducting post-installation operations and may need advanced, on-site technical support. If dispatched, FS-ENGR fees apply.



Migration Engineering Services and Upgrades FS-MIGRATION



This pre-purchased block of Network Engineering Services hours is offered as part of the
eVolution network migration strategy. This time must be used over a one-year period from the date payment is received at Marconi. Focus of effort is post-installation troubleshooting/fault isolation with the purpose of network restoration and/or
performance improvement. Dispatched Network Engineering Services are provided 24x7 with advance notice scheduling and emergency response. Response time is best effort. On-site scheduled hours are from 8 a.m. to 8 p.m., Monday through Friday.
Scheduled after hours, weekends and holiday requests for on-site service are subject to additional fees. Customers may use their scheduled hours in 8-hour increments.



A Network Engineer will be provided to perform the conversion from the legacy network equipment to the updated Marconi solution.



Dedicated Network Engineering Services



Dedicated On-site Technical Support FS-RESENGR



For a 12-month period, an on-site Network Engineer participates and assists with daily
operations, future planning, network management, lab analysis and training. Specifically, the on-site engineer will assist in network design; traffic and growth analysis; business needs forecasting; resolution of daily break/fix situations; moves,
adds and changes; TAC coordination; lab testing; physical plant recommendations; network management design and implementation; TACtics Online training; customer troubleshooting skill enhancement; and overviews of new product functionality.



Extended On-site Technical Support FS-PROJENGR



For an extended period, an on-site Network Engineer participates and assists with daily
operations, future planning, network management, lab analysis and training. Specifically, the on-site engineer will assist in network design; traffic and growth analysis; business needs forecasting; resolution of daily break/fix situations; and
moves, adds and changes.



Operational Value-add Services



Network Performance Profile FS-NETPROFILE



A Marconi Network Engineer conducts a two-day performance profile when network performance
needs change, expansion is contemplated or network infrastructure decisions are needed. The profile quickly identifies performance issues and potential trouble spots and provides a detailed analysis of a portion of a network as specified by the
customer. Documented results, which are multi-vendor focused, pinpoint the exact cause of performance-related network problems and provide a baseline for the condition of the network.



Network Analysis FS-NETANALYSIS



A Marconi Network Engineer conducts a comprehensive, extended, end-to-end network analysis to evaluate an entire LAN and WAN  throughout the networks entire
geographical location. Current network conditions are assessed and recommendations for improved network performance and reliability are made to meet ever-changing business needs. The analysis is conducted in three key phases: project planning, data
collection and data analysis/report documentation.



Marconi GMS Customer Support Guide

D14



---

Commissioning FS-SWCOMM



After a site equipment installation, a Marconi Network Engineer will perform a switch certification to ensure that the switches are ready to be turned up, fully
functional and error free. Although it is in your best interest to have all equipment covered under a comprehensive Marconi Support Agreement, we realize there will be times and business needs that dictate non-warranty repairs to a product.



Marconi provides repairs for all of its products at Marconis repair
center. Factory-trained technicians complete all repairs. Repairs are diagnosed and tested under the same criteria as those specified by the original manufacturing process.



All out-of-warranty repairs have a 30-day factory warranty.



Appendix A Hardware maintenance Parts Only Option Response Areas



The following areas are available for customers that would like to choose the Hardware Maintenance Parts Only Option. This option
requires a 90 day activation notice for the sites listed below. New areas require Marconi Service Sales Team approval and 90 day activation.



United States:



Atlanta, GA

Boston, MA

Charlotte, NC

Chicago, IL

Dallas, TX

Denver, CO

Des Moines, IA

Detroit, MI

Fayetteville, AR

Honolulu, HI

Houston, TX

Jacksonville, FL

Kansas City, MO

Louisville, KY

Los Angeles, CA

Memphis, TN

Montgomery, AL

Newark, NJ

New Orleans, LA

Phoenix, AZ

Portland, OR

Salt Lake City, UT

San Francisco, CA

Seattle, WA

St. Louis, MO

St. Paul-Minneapolis, MN

Syracuse, NY

Tallahassee, FL

Tampa, FL

Washington, DC



Canada:



Calgary, Alberta

Edmonton, Alberta,

Montreal. Quebec

Toronto, Ontario

Vancouver, British Columbia

Winnipeg, Manitoba



Marconi GMS Customer Support Guide

D15



---

Appendix B: Hardware Maintenance 4 Hr. Parts and Service Support Option - Response Areas



The following areas are available for customers that would like to choose the Hardware
Maintenance 4Hr. Parts and Service Support Option. New areas require Marconi Service Sales Team approval and 90 day activation.



United States



Aberdeen, MD

Atlanta, GA

Boston, MA

Chicago, IL

Cincinnati, OH

Dallas, TX

Dayton, OH

Denver, CO

Detroit, MI

Houston, TX

Indianapolis, IN

Jacksonville, FL

Kansas City, MO

Los Angeles, CA

Minneapolis/St. Paul, MN

Montreal - CANADA

New York, NY

Newport Beach, CA

North Royalton, OH

Omaha, NE

Orlando, FL

Philadelphia, PA

Pittsburgh, PA

Portland, OR

Salt Lake City, UT

San Antonio, TX

San Diego, CA

San Francisco, CA

St. Louis, MO

Washington, DC



Canada



Toronto, Ontario



Appendix C: MARCONI Services Observed Holiday Schedule



Marconi Systems, Inc. observes the following holidays, plus one floating holiday
designated at the beginning of each calendar year.



New Years Day

Memorial Day

Independence Day

Labor Day

Thanksgiving Day

Post-Thanksgiving Day

Christmas Eve

Christmas Day



Marconi GMS Customer Support Guide

D16



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MARCONI, PLC COPRORATE HEADQUARTERS



One Brutan Street

London W1J 6AQ

United Kingdom

Phone: +44 (0) 20 7493 8484

Fax: +44 (0) 20 7493 1974



MARCONI COMMUNICATIONS WORLDWIDE AND NORTH AMERICAN HEADQUARTERS



174 Thorn Hill Road

Warrendale, PA 15086-7586

Pittsburgh, PA

Phone: 412-772-6600

Fax: 412-772-6500

Product Info: 888-404-0444

Internet: info@Marconi.com

http://www.Marconi.com



MARCONI SERVICES WORLDWIDE HEAD QUARTERS



PO Box 146

New Century Park

Coventry

CV3 1LQ

United Kingdom

Phone: +44 (0) 2476 562000

Fax: +44 (0) 2476 567000



LAN SWITCHING DIVISION



2115 ONel
Drive

San Jose, CA 95131

Phone: 408-467-4746

Fax: 408-955-9500



FEDERAL OFFICE



6905 Rockledge Drive,
Suite 800

Bethesda,MD 20817

Phone: 301-564-4404

Fax: 301-564-4408



NORTHERN REGIONAL OFFICE



1 Penn Plaza

250 West 34th Street, Suite 4444

New York, NY 10119

Phone: 212-868-4286

Fax: 212-868-9200



SOUTHERN REGIONAL OFFICE



12750 Merit Drive, Suite 724

Dallas, TX 75251

Phone: 972-450-4444

Fax: 972-450-4460



CANADIAN OFFICE



208 Evans Avenue, Suite 119

Etobicoke, Ontario M8Z 1J7

Phone:416-410-3016

Fax: 416-259-5297



EUROPEAN HEADQUARTERS



2475 The Crescent

Solihull Parkway

Birmingham Business Park

B37 7YE

United Kingdom

Phone: +44-121-717-444

Fax: +44-121-717-4455



EUROPEAN OFFICES



Lindenstrasse 3

85296 Rohrbach-ILM

Germany

Phone: +49-84-42-54-95

Fax: +49-84-42-50-080



29, rue Jean Rostand

91893 ORSAY

Paris

France

Phone: +33-1-69-35-11-85

Fax: +33-1-69-35-11-94



Lesse 7

1186 KZ

Amstelveen

Netherlands

Phone: +31-21-640-2827

Fax: +31-20-645-8514



ASIA/PACIFIC OFFICES



1806A Harbour
Centre

25 Harbour Road

Wanchai, Hong Kong

Phone:852-2845-5118

Fax:852-2845-5110



Well Shinto-shin Bldg.

2/F 3-1-4 Nishhi-Shinjuku

Shtnjuku-ku,

Tokyo 160 Japan

Phone: 81-3-3346-2781

Fax:
81-3-3346-2782



LATIN AMERICAN HEADQUARTERS



210 N. University Drive,

Suite 444

Coral Springs, FL 33071-7339

Phone: 954-346-4106

Fax:954-346-4109



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Attachment 1 to Exhibit D



Quality Assurance Procedures



MARCONI



1.1 QUALITY ASSURANCE PROCEDURES



|                                  |  |                                       |  |          
|--------------------------------- |  | ------------------------------------- |  | ---------
|CLASSIFICATION                    |  | NUMBER                                |  | PAGE     
|                                  |  | 2 RSQA 225                            |  | 3 1 OF 16
|Corrective Action                 |  |                                       |  |          
|                                  |  |                                      
|31.7.1 TITLE                      |  | APPROVED BY:                          |  |          
|Customer Problem Report Procedure |  | 4 John Snarr(For the Quality Council)



REVISION HISTORY



|      |  |         |  |                                                                                                                                                                                                                                        |  |                |  |           
|----- |  | ------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | -------------- |  | ----------
|5 REV |  | 6 ECO # |  | 7 DESCRIPTION                                                                                                                                                                                                                          |  | 8 PREPARED BY  |  | 9 DATE    
|      |  |         |  |                                                                                                                                                                                                                                       
|3     |  | QAC-555 |  | Changed all references to RTEC Systems to Access Systems. Changed approval to Quality Council. Changed procedure to include Customer Complaints and added Customer Complaint and Trouble Call
Report forms.                            |  | 10 J. Flippin  |  | 6/19/97   
|      |  |         |  |                                                                                                                                                                                                                                       
|4     |  | QAC-592 |  | Major Rewrite to include current Customer Problem Reporting process.                                                                                                                                                                   |  | B. Barclay     |  | 03/27/98  
|      |  |         |  |                                                                                                                                                                                                                                       
|5     |  | QAC-608 |  | Added new definitions to section 3.1. Updated section 4.0, 5.3 and 11.0 to delete figure 1. Added section 5.2.11 to document additional statuses. Updated sections 3.2.2, 5.1, and 10.0 to
reflect current Customer Problem Reporting. |  | 11 B. Barclay  |  | 11/12/98  
|      |  |         |  |                                                                                                                                                                                                                                       
|6     |  | QAC-624 |  | Added Appendices A, B, and C. Clarified and defined responsibilities.                                                                                                                                                                  |  | 12 P. Morrison |  | 09/27/99  
|      |  |         |  |                                                                                                                                                                                                                                       
|7     |  | QAC-658 |  | Major re-write to reflect the new CAR system and TL9000 requirements. Appendix A changed, B & C deleted                                                                                                                                |  | 13 T. Jones    |  | 04/03/2000
|      |  |         |  |                                                                                                                                                                                                                                       
|8     |  | QAC-676 |  | Minor rewrite to reflect new database andTL9000 requirements                                                                                                                                                                           |  | 14 T. Jones    |  | 10/05/00  



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|1.0 | Purpose
|--- | -------



This document defines the Customer Problem Report recording and status tracking procedure. This document defines the process used for tracking all
customer reported problems from initial report to solution delivery and the steps necessary to implement this process in a timely and efficient manner.



|2.0 | Scope
|--- | -----



This procedure is applicable for all customers of MARCONI Access Systems products. This document defines the methods and procedures for the tracking
of routine customer problems. The Call Center tracks non-routine customer reported problems as documented in SCUP002.



|3.0 | General
|--- | -------



|3.1 | Definitions / Abbreviations
|--- | ---------------------------



|            |  |                                                                                                                                                                                                                                                 
|----------- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|ACKRSP      |  | Response sent to customer quality organization, acknowledgment of receipt of CPR.                                                                                                                                                               
|            | 
|Action Item |  | This is a status that reflects customer agreement to the proposed solution date given. The clock is not running during this period, but starts at the full elapsed time if the solution passes
the proposed solution date given to the customer.
|            | 
|ASMT        |  | Problem Report has been assigned to Team Leads.                                                                                                                                                                                                 
|            | 
|CAR         |  | Corrective Action Request. A system for documenting and investigating the cause of actual or potential nonconformance (see RSQA 220.)                                                                                                           
|            | 
|CCD         |  | Customer Commitment Date. The date we have committed to the customer to have a problem resolved and delivered to the field. This is typically in terms of a feature package.                                                                    
|            | 
|CCN         |  | Customer Complaint Number. The tracking number used by the customer to track complaints against MARCONI Access System products.                                                                                                                 
|            | 
|CCS         |  | Customer Complaint Status. The current status of a particular customer problem report.                                                                                                                                                          
|            | 
|CPR         |  | Customer Problem Report. A problem reported to MARCONI COMMUNICATIONS by an outside customer or supplier.                                                                                                                                       
|            | 
|CREJ        |  | Closed Rejected. This state is used for all rejected complaints, such as complaints closed as not reproducible, or no trouble found as well as duplicate complaints. No further MARCONI Access
System action required.                          
|            | 
|CREL        |  | Closed Released. Resolution has been completed; the product has been updated to comply with resolution. No further MARCONI Access System action required.                                                                                       
|            | 
|CUSTDLY     |  | Awaiting information from Customer, TL9000 time doesnt count this time.                                                                                                                                                                        
|            | 
|Customer    |  | Company whom purchases MARCONI Access System products.                                                                                                                                                                                          
|            | 
|Fix Start   |  | Upon customer approval to proposed solution the CPR enters this status while engineering is developing the final solution for general availability.                                                                                             



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---

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|                     |  |                                                                                                                                                                                                                                           
|-------------------- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Follow Up            |  | After general availability, the CPR chair person may choose to perform a follow up activity with the customer after the complaint reaches the CREL state. This is primarily used to address
customer satisfaction.                        
|                     | 
|General Availability |  | Updated product available for customer order.                                                                                                                                                                                             
|                     | 
|Official CPR         |  | CPR reported by the customers quality organization.                                                                                                                                                                                      
|                     | 
|SUBM                 |  | Customer Report received, no action taken as of yet.                                                                                                                                                                                      
|                     | 
|PENDCOMP             |  | A complaint may request compensation. Compensation owed by MARCONI Access System to the customer must be paid before problem report can be considered closed.                                                                             
|                     | 
|RSPAPP               |  | Response approved by customer quality organization. This state is used for Official complaints only. Implementation of resolution begins. The CPR moves to one of following states; Action
Item, Fix Start or CREL.                       
|                     | 
|RSPCOM               |  | Formal response has been communicated to customer quality organization, Marconi is waiting for approval of that response.                                                                                                                 
|                     | 
|RSPDIS               |  | Customer quality organization did not approve of response.                                                                                                                                                                                
|                     | 
|RSPRDY               |  | Response is ready from Marconi Access System Team Lead.                                                                                                                                                                                   
|                     | 
|SMEAPP               |  | Response approved by customer subject matter expert. For some customers, the implementation of the resolution begins here. Unofficial complaints will be transitioned to one of the following
states; Action Item, FIXSTART, CREL or CREJ.
|                     | 
|SMECOM               |  | Response has been communicated to customer subject matter expert.                                                                                                                                                                         
|                     | 
|Standard Directory   |  | The directory where information related to a CPR is placed. Currently this directory is located in I:\CUSTCOMP\CustomerName. A directory exists for each CPR.                                                                             
|                     | 
|Unofficial CPR       |  | CPR reported by the customers subject matter expert or by our customer support center.                                                                                                                                                   



|3.2 | Responsibilities
|--- | ----------------



| | 3.2.1 | This procedure requires the approval of the Quality Council.
| | ----- | ------------------------------------------------------------



| | 3.2.2 | The Quality Department is responsible for maintaining and implementing the Customer Problem Report Procedure; maintaining the Customer Problem Summary; issuing
acknowledgment, interim and final reports to the customer; and maintaining a listing of appropriate customer personnel for correspondence.
| | ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 3.2.3 | The Quality Department shall monitor the Customer Problem Report to insure that implementation of corrective action is commensurate with the degree of the problem encountered. This
also includes determination of placing the product in question on Shipping or Production HOLD per RSQA 118, Product Hold and Release, as appropriate.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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|3.3 | References
|--- | ----------



| | 3.3.1 | RSQA 220, Corrective Action Program
| | ----- | -----------------------------------



| | 3.3.2 | RSQA 118, Product Hold and Release
| | ----- | ----------------------------------



| | 3.3.3 | GR-230-CORE, Issue 2, December 1997, Generic Requirements for Engineering Complaints
| | ----- | ------------------------------------------------------------------------------------



| | 3.3.4 | MKT 021, Product Change Notice & Service News Procedure
| | ----- | -------------------------------------------------------



| | 3.3.5 | TL9000 Quality System Metrics Book Two Release 2.5
| | ----- | --------------------------------------------------



| | 3.3.6 | SCUP002 Customer Technical Support Procedure
| | ----- | --------------------------------------------



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|4.0 | OVERVIEW
|--- | --------



LOGO



The diagram above reflects
the Customer Problem Report process. Customer problems come in one of two forms. One form is a Call Center Report that occurs when the Customer calls into our customer support center. The other form is Customer Problem Reports. Many Customers have
their own tracking and reporting mechanisms that they use to track problems with suppliers equipment and supplier performance in correcting these problems. These problems are submitted to the suppliers for resolution and tracked to completion.
This document describes the mechanisms for getting resolutions to the customer on reported problems, communicating them to the customer and tracking our performance in that area. The process contained in this document will follow or will be
equivalent to the requirements stated in GR-230-CORE and TL9000 Quality System Metrics.



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|5.0 | Procedure
|--- | ---------



|5.1 | CPR Lifecycle Roles
|--- | -------------------



This section will define the roles of the major participants in the CPR lifecycle.



|                  |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|----------------- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|CPRChairman       |  | the customer interface responsible for day to day communications with the customer. This role is charged with representing our position to the customer. This person interacts with the
customer to ensure that the customer finds our responses acceptable, timely and capable of being implemented. This person is our primary representative to the customer.                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|                  | 
|                  |  | The Chairman is also responsible for overseeing the CPR Resolution Meeting and for coordinating all responses to Customer. This person is responsible for making the decision of generating a
CPR and for evaluating the companys response to Customer Problem Reports for correctness and completion. This person is responsible for taking the resolutions from CPR team leads, formatting them correctly and presenting them directly to the
customer interface for presentation to the customer. This person assigns the CPR and directs the activities of the CPR Team Leads. At the time of assignment the CPR Chairman also determines Severity. This person is responsible for ensuring
appropriate follow up activity is performed with the customer after general availability of the fix and after CREL.
|                  | 
|CPR Administrator |  | is a Quality Department representative responsible for handling administrative communications with the customer. This person is responsible for entering CPRs (See RSQA 220) on all customer
reported problems and is responsible for updating the state of the CPR to reflect the proper status when working with the CPR. This person is also responsible for producing reports for the customer and for MARCONI Access System personnel that are
needed for tracking the resolution of CPR. The CPR Administrator shall be responsible for maintaining the Customer Problem Summary. The Administrator is also responsible for creating a CAR, as required to ensure that the response given in the CPR is
completed.                                                                                            
|                  | 
|CPR Team Leads    |  | are responsible for resolution of a specific customer problem report to the satisfaction of the customer. These individuals present their solution to the CPR Chairman for reformatting and
presentation to the customer. Team Leads are representatives from the Quality, Engineering, Manufacturing, Marketing and Customer Support Departments.                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                  | 
|CPR Implementers  |  | support CPR Team Leads by performing engineering evaluations, replicating problems and suggesting engineering solutions to CPRs. These individuals work under the direction of the CPR Team
Leads.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  



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|5.2 | CPR Status and Workflow
|--- | -----------------------



LOGO



|5.2.1 | Submit Status
|----- | -------------



The first status in the CPR workflow is Submit.When the customer or member of Technical Support discovers a new problem he reports the problem to
MARCONI Access System by sending it to the CPR Chairman, CPR Interface or CPR Administrator as a separate communication or through the Call Center. The CPR Administrator is responsible for entering a CPR. The CCN from the Customer Problem Report is
entered into the CPR. The full content of the Problem Report from the customer shall be entered into the attachment field of the CPR.



|5.2.2 | ACKRSP (Acknowledgment Response) Status
|----- | ---------------------------------------



If the problem report is official then the customer shall be informed that their problem report was received and is being worked. The CPR Administrator
shall send a message to the Customer to acknowledge receipt of the problem report. The state of the CPR shall be updated by the CPR Administrator to ACKRSP (Response: Problem Report Acknowledged to Customer). The date the problem report was
acknowledged will appear in the history field of the CPR. The CPR Administrator shall extract the body of the Customer Problem Report to a text file and place it in the standard directory where CPR participants may find it easily, it shall be given
the name of the CCN. The goal for acknowledgment of the CPR is within 24 hours of receipt.



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|5.2.3 | ASMT (Assignment) Status
|----- | ------------------------



The CPR Chairman is responsible for making all work assignments. The CPR Chairman shall assign severity of either major or minor depending on fitting
severity description in TL9000 Quality System Metric Manual. The CPR Chairman shall select a Team Lead who will be responsible for generating the response. The CPR Chairman is responsible for communicating assignments to the CPR Administrator. The
CPR Administrator will enter the Team Lead and Implementer (if required) into the CAR database in the Assign To and Implementer fields. The goal for acknowledging receipt is within 24hours of receiptof the problem
report.



The CPR is now the responsibility of the CPR Team
Lead. The Team Lead is responsible for updating the individual CPR records. The Team Lead shall work with the Implementer to define the best solution to the customers problem. The goal for interviewing the customer and capturing all data
related to the problem is within 5 working days of receipt of the CPR from the customer.



|5.2.4 | RSPRDY (Response Ready) Status
|----- | ------------------------------



All details relevant to the problem shall be recorded within the CPR record. The problem solution shall be documented in the form of a Customer Problem
Response Form. The response form can be found in Appendix A. This form details the solution and any workarounds and projected solution dates. The completed form shall be attached to the CPR record.



Once the response form is completed, the Team Lead is responsible for
changing the state for the CPR to RSPRDY. The Team Lead shall inform the CPR Chairman that the resolution is available if the next CPR meeting is not scheduled before any customer deadlines.



Before the next CPR Resolution meeting the Chairman should print out all
CPRs that are in a state of RSPRDY and shall schedule and invite the Team Leads responsible for those CPRs to the meeting. The Team Lead shall be prepared to explain and support the response. The members of the CPR Resolution Team will determine
approval of the solution.



After the CPR Resolution meeting,
the CPR Chairman will work with the CPR Team Lead to document the actual response to the customer. Information on the CPR Form may warrant the issuance of a Product Change Notice (PCN) or a Service Bulletin to the customer (see MKT 021).



|5.2.5 | SMECOM (Subject Matter Expert Communicated) Status
|----- | --------------------------------------------------



The CPR Interface Chairman will present the resolution to the SME for official complaints. The CPR Chairman is responsible for updating the status of the
CPR to SMECOM when the response is communicated. The Team Lead is responsible for presenting the resolution to the SME for unofficial complaints. The Team Lead is also responsible for updating the status of the CPR to SMECOM when the response is
communicated to the SME.



The goal for communication of the
solution to the customer is 15 days from receipt of the CPR.



|5.2.6 | SMEAPP (Subject Matter Expert Approved) Status
|----- | ----------------------------------------------



The CPR Chairman is also responsible for updating the status of the CPR to SMEAPP when the Customers Subject Matter Expert approves the solution.
Upon approval, the CPR Chairman will set the CCD within the CPR. Once a CPR reaches SMEAPP it is a candidate for implementation. At this point a CAR may be generated, by the CPR Administrator, as a tool to implement the response.



Unofficial or Internal complaints can transition into the FIXSTART or
Action Item State or be closed as required by the response. Unofficial or Internal complaints that were Major in severity are



D25



---

LOGO



reduced to Minor severity if the CPR is in transition to FIXSTART or ACTION ITEM states. (Change in severity only effects TL9000 FRT and OFR time target.)



|5.2.7 | RSPCOM (Response Communicated) Status
|----- | -------------------------------------



Following the SMEAPP state, official CPRs, shall be forwarded to the CPR Administrator for transmission to the customer. The CPR Administrator shall
update the state of the CPR to RSPCOM to indicate that our response has been communicated to the customer. The CPR Administrator shall also attach the response within the CPR.



|5.2.8 | RSPAPP (Response Approved) Status
|----- | ---------------------------------



The next step is for the Customer to evaluate the response and determine whether it is acceptable. Per GR-230-CORE, the customer has 30 days to approve or
disapprove of the response. If the customer does not notify Marconi of approval or disapproval within 30 days, then it is assumed that the resolution has been accepted. The CPR Administrator will be responsible for updating the status of the CPR to
RSPAPP if the customer approves of our response.



Once a CPR
reaches SMEAPP or RSPAPP, it is a candidate for implementation. The CPR Administrator is also responsible for recording the resolution or location of the resolution so that it may be used by the person responsible for implementing the resolution. If
the response of the CPR requires a fix, the CPR state will then be transitioned to the FIXSTART state and remain here until the CAR is closed. If the CPR was closed with an unofficial agreement to do something for the customer to enhance customer
satisfaction, then the CPR will transition into the Action Item state until that action item is complete. When the official CPR transitions to FIXSTART or Action Item state, the severity should be changed to minor. (Change in severity only effects
TL9000 FRT and OFR time target.)



|5.2.9 | RSPDIS (Response Disapproved) Status
|----- | ------------------------------------



If the customer disapproves our response, the CPR Administrator is responsible for updating the status of the CPR to RSPDIS. If at any stage the Customer
does not approve of our solution, the problem goes back to the CPR Resolution Meeting where the CPR Chairman reassigns the CPR for rework. The state of the CPR should go back to ACKRSP then ASMT to indicate it has been assigned again and is being
re-addressed.



|5.2.10 | FIXSTART
|------ | --------



Following the SMEAPP state (for Unofficial or Internal Complaints), or the RSPAPP state (Official Complaints), the CPR is transitioned into the FIXSTART
state. FIXSTART is a state where the CPR resides until the response that was given to the customer has been implemented. After FIXSTART, the CPR may be transitioned to the Delivered or CREL states, per instruction of the CPR Chairman. Severity level
should be minor at this point (for counting purposes only).



|5.2.11 | ACTION ITEM
|------ | -----------



ACTION ITEM is a state used when Marconi has unofficially agreed to do something for the customer to enhance customer satisfaction as a result of this
complaint. Until this item(s) are completed, the CPR will reside in the ACTION ITEM state. Once the Action Item(s) have been completed, the CPR will be transitioned into the CREL state. The CPR Administrator will transition the CPR into the CREL
state, per instruction by the CPR Chairman. Severity level should be minor at this point (for counting purposes). The TL9000 clock is turned off during the Action Item state.



|5.2.12 | CREL (Closed Released) Status
|------ | -----------------------------



CREL means closed - released. The resolution has been completed, or the product has been updated to comply with the resolution and is
available to the customer. All commitments to the customer have been fulfilled. If the CPR had a CAR opened to address the problem, that CAR has to be at CREL before the CPR can be moved to the CREL state as well.



D26



---

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General Availability of the fix is where either the action item that was pending is now due or the
fix being developed is now due. Subtracting wait time, per TL9000 counting rules, this is either the actual number of days (if less than 180 days) or 180 days. If the action item or fix is not available by the committed to date then the CPR is late.
Team leads should notify the CPR Chairperson as to any delays in closing a CPR by the date committed to the customer.



The CPR Chairman and the Team Leads will determine if a CPR will require Follow-up, upon closure of the complaint. Follow-up results shall be recorded
along with the level of satisfaction expressed by the customer and any comments from the customer.



|5.2.13 | Closed Rejected (CREJ)
|------ | ----------------------



Closed rejected (CREJ) is a state used when a CPR will be closed as rejected, duplicate, no trouble found or can not reproduce.



|5.3 | Call Center Report
|--- | ------------------



Customer calls that are unable to be resolved by the customer support center are converted from the Call Center Report, to a CPR by the CPR Administrator
as an unofficial CPR. The Call Center CPRs are reviewed at the CPR resolution meeting for further actions.



|6.0 | CPR Resolution Meeting
|--- | ----------------------



The following serves as a guideline for the CPR Resolution Meeting.



|6.1 | Meeting Inputs / Outputs / Agenda
|--- | ---------------------------------



|                 |  |                                                                                                                                                                                
|---------------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Meeting Inputs:  |  | Customer Problem Reports sorted by status Full Printout of new Customer Problem Reports CPRs that are in the RSPRDY Status                                                     
|                 | 
|Meeting Outputs: |  | State changes, updates to Assign To and Implementer.                                                                                                                           
|                 | 
|Meeting Agenda:  |  | Assignment of New Customer Problem Reports Presentation of CPR resolutions by Team Leads Status updates review Assignment of CCDs Examine CPRs exceeding target dates and CCDs



|6.2 | Assignment of New Customer Problem Reports
|--- | ------------------------------------------



The CPR Chairman shall present the new CPRs (OPEN and ACKRSP) that have no Assigned To. The CPR Chairman shall present the CPR, and a joint
decision should be made by the CPR resolution team as to the most appropriate Team Lead for a particular CPR. The Team Lead may defer assignment of the Implementer until later, or may inform the CPR Chairman of his/her selection. Assignments shall
be recorded on the report and given to the CPR Administrator after the meeting.



|6.3 | Presentation of CPR Resolutions by Team Leads
|--- | ---------------------------------------------



The Team Leads shall present resolutions at the CPR meeting. Each CPR resolution shall be accepted or rejected by the Chairman and participants. The
solution shall also be given to the Call Center representative. This shall be used in answering customer questions and resolving known field problems. The CPR Chairman shall present the data to the CPR Administrator at the conclusion to the meeting.
The team leads shall indicate any CPR that may not make the commitment date given to the customer. Alternative solutions may be pursued to meet the commitment date or the customer shall be notified of the revised commitment date.



D27



---

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|6.4 | Status Updates Review
|--- | ---------------------



This section of the meeting should be devoted to communicating the CPRs that changed status since the last CPR Resolution meeting. No attempt should be
made to solve any problem, just communicate status.



|6.5 | Examine CPRs Exceeding Target Dates.
|--- | -------------------------------------



Each category of CARs should be examined, looking at the report for days open. The following checks should be made:



| |  | Every CPR should be assigned to a Team Lead within 24 hours.
| | - | ------------------------------------------------------------



| |  | Any CPR that is open > 15 days and has not reached SMECOM or RSPCOM is overdue. An interim report to the customer may be REQUIRED at this time.
| | - | -----------------------------------------------------------------------------------------------------------------------------------------------



| |  | Any CPR that reaches SMEAPP or RSPAPP must have a CCD assigned. The CCD should be a date, not a product change event. Enter the best estimate, either an actual date or a quarter may
be entered here. This date will be communicated to the customer.
| | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  | Target date may reflect a product change event,
| | - | -----------------------------------------------



| |  | The report of CPRs sorted by CCD should be examined to ensure that no CPRs are exceeding their Customer Commitment Dates.
| | - | -------------------------------------------------------------------------------------------------------------------------



|7.0 | Release to Customer
|--- | -------------------



Whenever an updated product is released to the customer, the customer should be presented with a report of the CPRs (CARs with CCN). It should be filtered
to show only that customer and CCD (feature package we committed to). This will allow the customer to verify our commitment to them.



|8.0 | Defective Product Samples
|--- | -------------------------



If samples are submitted, the customer shall be notified of the disposition of the product stating how long the samples will be held and if they are to be
returned.



If the sample is under warranty and is not replaced
or returned, the customer shall be given credit or a refund for the sample.



|9.0 | Emergency Customer Problem Reports
|--- | ----------------------------------



An emergency is a situation resulting in a severe service impairment, service outage, fire or safety hazard. In emergency situations the normal CPR
procedure may be bypassed and the customer may telephone, personally communicate, or write a letter to be followed by the CPR. Inventory and departmental procedures shall be established so that emergency equipment can be obtained by the customer
within 24 hours of being notified.



|10.0 | Customer Problem Report Summary
|---- | -------------------------------



The CPR Administrator shall initiate and maintain a summary of all valid CPRs. The Customer Problem Report Summary shall contain the following:



| |  | Date Open;
| | - | ----------



| |  | CPR Number;
| | - | -----------



| |  | Customer;
| | - | ---------



| |  | Brief Description of Problem;
| | - | -----------------------------



| |  | CPR Status;
| | - | -----------



| |  | CAR Number.
| | - | -----------



D28



---

LOGO



|11.0 | Documentation Retention
|---- | -----------------------



All documentation and correspondence relating to the CPR, including a copy of the closed CAR, shall be retained in a file by the Quality Department for a
period of two (2) years from the CAR closure date.



|12.0 | Follow-up
|---- | ---------



After the fix has been completed the CPR Chairman and Team Leads are to evaluate closed customer complaints to determine if the Customer Problem
Resolution requires follow-up. The Team Leads will assign the follow-up person and date that follow up should happen. CPR follow up has been chosen as a metric in TL9000 to indicate proactive contact with the customer and as a measure of customer
satisfaction. Follow up should include recording a rating that the customer gives toward Marconi performance in providing a good solution in a timely manner. Recording of any customer comments is useful. Closed is defined as CREL.



D29



---

LOGO



Appendix A Customer Problem Response Report



| |  |                                                                     |  | 
| |  | ------------------------------------------------------------------- |  | 
| |  | Access Network Systems Group 8616 Freeport Parkway Irving, TX 75063 |  | 



15 Customer
Problem Response Report



Customer:

Customer Problem Report ID(s):

CAR(s):

Related Documents:



Description of
Problem:



Analysis of
Problem:



Customer Exposure of Problem:



How to Avoid the Problem:



How to Work Around the Problem Once Encountered:



Corrective Action:



D30



---

EXHIBIT E



OUT-OF-WARRANTY REPAIRS



The following document sets forth the repair pricing for Products no longer covered under warranty.



|            |  |                                  |  |                   |  |             
|----------- |  | -------------------------------- |  | ----------------- |  | ------------
|            |  | Material Description             |  | Product Hierarchy |  | List Price $
|RP4102004A2 |  | REPAIR OF OIU4 L2 W/FC CONN      |  | 10                |  | 162.00      
|RP4102060A  |  | REPAIR DCU 60A                   |  | 10_ACC_DLF_FCH    |  | 114.00      
|RP4102060B  |  | REPAIR DCU60B                    |  | 10_ACC_DLF_FCH    |  | 114.00      
|RP4102061A  |  | REPAIR DCU61A                    |  | 10_ACC_DLF_FCH    |  | 123.00      
|RP4102061C  |  | REPAIR DCU61C                    |  | 10_ACC_DLF_FCH    |  | 119.00      
|RP4102063A  |  | REPAIR SFU3A                     |  | 10_ACC_DLF_FCH    |  | 176.00      
|RP4102065A  |  | REPAIR SFU13A                    |  | 10_ACC_DLF_FCH    |  | 116.00      
|RP4102065C  |  | REPAIR SFU13C                    |  | 10_ACC_DLF_FCH    |  | 103.00      
|RP41-020-66 |  | REPAIR ONU 2W COIN CH UNIT       |  | 10_ACC_DLF_FCH    |  | 147.00      
|RP41-020-68 |  | REPAIR SFU28P-PHONE              |  | 10_ACC_DLF_FCH    |  | 89.00       
|RP41-020-69 |  | REPAIR SFU52                     |  | 10_ACC_DLF_FCH    |  | 118.00      
|RP4102069A  |  | REPAIR SFU52A                    |  | 10_ACC_DLF_FCH    |  | 118.00      
|RP4102069B  |  | CD ASSY SFU-52B-OCU DP           |  | 10_ACC_DLF_FCH    |  | 118.00      
|RP41-020-99 |  | REPAIR QCU60MB                   |  | 10_ACC_DLF_FCH    |  | 156.00      
|RP4102099A  |  | REPAIR/QCU60 MB                  |  | 10_ACC_DLF_FCH    |  | 149.00      
|RP4102099B  |  | REPAIR OF QCU60B(4102099B)     |  | 10_ACC_DLF_FCH    |  | 143.00      
|RP41-008-27 |  | REPAIR SCU27 DC SIGNATURE        |  | 10_ACC_DLF_FCO    |  | 173.00      
|RP4102004B  |  | REPAIR OIU4B                     |  | 10_ACC_DLF_FCO    |  | 230.00      
|RP4102004B1 |  | REPAIR OIU4B1                    |  | 10_ACC_DLF_FCO    |  | 162.00      
|RP4102004B2 |  | REPAIR OIU4B2                    |  | 10_ACC_DLF_FCO    |  | 162.00      
|RP4102004B3 |  | REPAIR OIU4B3                    |  | 10_ACC_DLF_FCO    |  | 162.00      
|RP4102004C1 |  | REPAIR OIUC1                     |  | 10_ACC_DLF_FCO    |  | 139.00      
|RP4102004L1 |  | REPAIR OIU4 L1                   |  | 10_ACC_DLF_FCO    |  | 162.00      
|RP4102005B1 |  | No desciption on Jobscope        |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102005C1 |  | REPAIR OIUC1                     |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102005C2 |  | REPAIR OIU5C2                    |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102005D1 |  | REPAIR OIUD1                     |  | 10_ACC_DLF_FCO    |  | 121.00      
|RP4102005L1 |  | O1U5L1 W/SC CONN                 |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102007B1 |  | REPAIR OIU7B1                    |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102007B2 |  | REPAIR OIU7B2                    |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102007B3 |  | REPAIR OIU7B3                    |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102007C1 |  | REPAIR OIU7C1                    |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102007C2 |  | REPAIR OIU7C2                    |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102007E1 |  | REPAIR OIU7E1                    |  | 10_ACC_DLF_FCO    |  | 167.00      
|RP4102007L1 |  | REPAIR OIU7                      |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102007L2 |  | REPAIR OIU7L2                    |  | 10_ACC_DLF_FCO    |  | 229.00      
|RP4102009A1 |  | REPAIR OF OIU 72A1 (4102009A1) |  | 10_ACC_DLF_FCO    |  | 267.40      
|RP4102015B1 |  | REPAIR OIU15B1                   |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102015B2 |  | REPAIR OIU15B2                   |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102015B3 |  | REPAIR OIU15B3                   |  | 10_ACC_DLF_FCO    |  | 297.00      



E1



---

|            |  |                                     |  |                   |  |             
|----------- |  | ----------------------------------- |  | ----------------- |  | ------------
|            |  | Material Description                |  | Product Hierarchy |  | List Price $
|RP4102015C1 |  | REPAIR OIU15C1                      |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102015C2 |  | REPAIR OIU15C2                      |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102015C3 |  | REPAIR OIU15C3                      |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102015L1 |  | REPAIR OIU15L1                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102015L2 |  | REPAIR OIU15L2                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102015L3 |  | REPAIR OIU15L3                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102016B1 |  | REPAIR OIU14B1                      |  | 10_ACC_DLF_FCO    |  | 169.00      
|RP4102016B3 |  | REPAIR OIU14B3                      |  | 10_ACC_DLF_FCO    |  | 169.00      
|RP4102017B1 |  | REPAIR OIU17B1                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102017B2 |  | REPAIR OIU17B2                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102017B3 |  | REPAIR OIU17B3                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102017C1 |  | REPAIR OIU17C1                      |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102017C2 |  | REPAIR OIU17C2                      |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102017C3 |  | REPAIR OIU17C3                      |  | 10_ACC_DLF_FCO    |  | 256.00      
|RP4102017L1 |  | REPAIR OIU17L1                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102017L2 |  | REPAIR OIU17L2                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP4102017L3 |  | REPAIR OIU17L3                      |  | 10_ACC_DLF_FCO    |  | 297.00      
|RP41-020-21 |  | OIU-11                              |  | 10_ACC_DLF_FCO    |  | 70.00       
|RP41-020-22 |  | OIU-12                              |  | 10_ACC_DLF_FCO    |  | 47.50       
|RP4102024L1 |  | REPAIR OIU-41                       |  | 10_ACC_DLF_FCO    |  | 121.00      
|RP4102026B1 |  | REPAIR OIU-71B                      |  | 10_ACC_DLF_FCO    |  | 142.00      
|RP4102026C1 |  | OIU-71C                             |  | 10_ACC_DLF_FCO    |  | 142.00      
|RP4102031A  |  | OPU2A HDT OPT PR SR                 |  | 10_ACC_DLF_FCO    |  | 139.00      
|RP4102031B  |  | REPAIR OPU2B                        |  | 10_ACC_DLF_FCO    |  | 119.00      
|RP4102031C  |  | REPAIR OPU2C                        |  | 10_ACC_DLF_FCO    |  | 139.00      
|RP4102048C  |  | REPAIR OF OMU18C (4102048C)       |  | 10_ACC_DLF_FCO    |  | 404.00      
|RP4102050B  |  | REPAIR OMU1B HDT OPT MAINT.         |  | 10_ACC_DLF_FCO    |  | 144.00      
|RP4102052C  |  | REPAIR DTU 1C                       |  | 10_ACC_DLF_FCO    |  | 85.00       
|RP4102052D  |  | REPAIR OF DTU1D (4102052D)1        |  | 10_ACC_DLF_FCO    |  | 85.00       
|RP41-020-53 |  | ONU DRP TST UN (DTU2)               |  | 10_ACC_DLF_FCO    |  | 2.00        
|RP4102053A  |  | DTU2AONUDRPTSTUN                    |  | 10_ACC_DLF_FCO    |  | 2.00        
|RP4102053B  |  | DTU2B ONU DRP TST UN                |  | 10_ACC_DLF_FCO    |  | 25.00       
|RP4102053C  |  | REPAIR DTU 2C                       |  | 10_ACC_DLF_FCO    |  | 79.00       
|RP41-020-79 |  | REPAIR CPCI                         |  | 10_ACC_DLF_FCO    |  | 121.00      
|RP4102081A  |  | REPAIR ONU-NPC2A                    |  | 10_ACC_DLF_FCO    |  | 129.00      
|RP4102081B  |  | REPAIR ONU-NPC2B                    |  | 10_ACC_DLF_FCO    |  | 111.00      
|RP4102081D  |  | REPAIR ONU/NPC2D                    |  | 10_ACC_DLF_FCO    |  | 93.00       
|RP4102081E  |  | REPAIR OF NPC2E (4102081E)        |  | 10_ACC_DLF_FCO    |  | 48.00       
|RP41-020-82 |  | LPC-1 LCL POWER CARD                |  | 10_ACC_DLF_FCO    |  | 78.00       
|RP41-020-83 |  | REPAIR OF ONU LOCAL PWR CD 2 LPC2 |  | 10_ACC_DLF_FCO    |  | 155.00      
|RP4102083A  |  | REPAIR OF ONU LPC2A(4102083A)     |  | 10_ACC_DLF_FCO    |  | 155.00      
|RP41-020-84 |  | BCC-1 BATT CHGR CARD                |  | 10_ACC_DLF_FCO    |  | 27.50       
|RP41-020-85 |  | UNIV POWER CD UPC 1                 |  | 10_ACC_DLF_FCO    |  | 25.00       
|RP4102085B  |  | UPC1B UNIVERSAL POWER CD            |  | 10_ACC_DLF_FCO    |  | 226.00      
|RP41-020-88 |  | REPAIR BATT CHGR EXT (BCA)          |  | 10_ACC_DLF_FCO    |  | 35.50       



E2



---

|            |  |                                |  |                   |  |             
|----------- |  | ------------------------------ |  | ----------------- |  | ------------
|            |  | Material Description           |  | Product Hierarchy |  | List Price $
|RP41-020-89 |  | REPAIR BCX2 BATT CHG EXT CD    |  | 10_ACC_DLF_FCO    |  | 59.34       
|RP4102094L1 |  | REPAIR OF OIU44 (4102094L1)  |  | 10_ACC_DLF_FCO    |  | 871.00      
|RP4102146L1 |  | REPAIR OF O1U46 (4102146L1)  |  | 10_ACC_DLF_FCO    |  | 604.00      
|RP41-020-90 |  | REPAIR/HDT CH SHELF-710        |  | 10_ACC_DLF_FHW    |  | 127.75      
|RPJC2001L13 |  | OPTICAL CH SHF W/710           |  | 10_ACC_DLF_FHW    |  | 125.00      
|RP41-008-01 |  | SCU 2W/4W E&M                  |  | 10_ACC_DLP_DCH    |  | 122.00      
|RP41-008-03 |  | SCU-3                          |  | 10_ACC_DLP_DCH    |  | 218.00      
|RP4100803A  |  | SCU-3A                         |  | 10_ACC_DLP_DCH    |  | 218.00      
|RP4100803G  |  | SCU-3G                         |  | 10_ACC_DLP_DCH    |  | 218.00      
|RP4100803H  |  | REPAIR SCU3H                   |  | 10_ACC_DLP_DCH    |  | 218.00      
|RP4100803J  |  | REPAIR SCU 3J                  |  | 10_ACC_DLP_DCH    |  | 169.00      
|RP4100803K  |  | REPAIR SCU3K                   |  | 10_ACC_DLP_DCH    |  | 169.00      
|RP41-008-04 |  | SCU-4                          |  | 10_ACC_DLP_DCH    |  | 49.00       
|RP4100804A  |  | SCU-4A                         |  | 10_ACC_DLP_DCH    |  | 49.00       
|RP4100804C  |  | SCU-4C                         |  | 10_ACC_DLP_DCH    |  | 84.00       
|RP41-008-10 |  | DCU10                          |  | 10_ACC_DLP_DCH    |  | 52.00       
|RP41008101  |  | DCU 101 SPS                    |  | 10_ACC_DLP_DCH    |  | 74.00       
|RP41008101A |  | REPAIR DCU101A                 |  | 10_ACC_DLP_DCH    |  | 74.00       
|RP41008103  |  | DCU103 ISP                     |  | 10_ACC_DLP_DCH    |  | 56.00       
|RP4100810A  |  | DCU 10A SPS COT                |  | 10_ACC_DLP_DCH    |  | 52.00       
|RP4100810D  |  | DCU 10DSPSCOT                  |  | 10_ACC_DLP_DCH    |  | 52.00       
|RP4100810E  |  | DCU 10ESPSCOT                  |  | 10_ACC_DLP_DCH    |  | 89.00       
|RP4100810F  |  | REPAIR DCU1 OF                 |  | 10_ACC_DLP_DCH    |  | 89.00       
|RP4100810G  |  | REPAIR DCU10G                  |  | 10_ACC_DLP_DCH    |  | 89.00       
|RP4100812C  |  | REPAIR SCU12C                  |  | 10_ACC_DLP_DCH    |  | 94.00       
|RP4100813D  |  | SCU13D UBRITE CHAN UNIT        |  | 10_ACC_DLP_DCH    |  | 140.00      
|RP4100813E  |  | REPAIR SCU13E UBRITE CHAN UNIT |  | 10_ACC_DLP_DCH    |  | 140.00      
|RP4100813F  |  | REPAIR SCU13F                  |  | 10_ACC_DLP_DCH    |  | 140.00      
|RP41-008-20 |  | DCU20                          |  | 10_ACC_DLP_DCH    |  | 54.00       
|RP4100820A  |  | DCU 20A SPS RDT                |  | 10_ACC_DLP_DCH    |  | 54.00       
|RP4100820B  |  | DCU 20B SPS RDT                |  | 10_ACC_DLP_DCH    |  | 54.00       
|RP4100820C  |  | DCU 20C SPS RDT                |  | 10_ACC_DLP_DCH    |  | 54.00       
|RP4100820D  |  | REPAIR DCU20D                  |  | 10_ACC_DLP_DCH    |  | 54.00       
|RP4100820E  |  | REPAIR DCU20E                  |  | 10_ACC_DLP_DCH    |  | 54.00       
|RP41-008-22 |  | SCU22 SGL PREPAY CN (RDT       |  | 10_ACC_DLP_DCH    |  | 90.00       
|RP41008221  |  | REPAIR SCU221                  |  | 10_ACC_DLP_DCH    |  | 133.00      
|RP4100822A  |  | SCU22A-COIN-RT                 |  | 10_ACC_DLP_DCH    |  | 90.00       
|RP4100822B  |  | REPAIR SCU22B                  |  | 10_ACC_DLP_DCH    |  | 133.00      
|RP4100828B  |  | REPAIR DCU28B                  |  | 10_ACC_DLP_DCH    |  | 228.00      
|RP4100828C  |  | REPAIR DCU28C                  |  | 10_ACC_DLP_DCH    |  | 119.00      
|RP41-008-33 |  | DCU33 DPO/DPT                  |  | 10_ACC_DLP_DCH    |  | 128.00      
|RP41-008-36 |  | DCU36                          |  | 10_ACC_DLP_DCH    |  | 72.00       
|RP4100836A  |  | DCU 36A SPS COT                |  | 10_ACC_DLP_DCH    |  | 72.00       
|RP4100836B  |  | DCU36B-UVG-CO                  |  | 10_ACC_DLP_DCH    |  | 72.00       
|RP4100836C  |  | REPAIR DCU36C-UVG-CO           |  | 10_ACC_DLP_DCH    |  | 82.00       
|RP4100836D  |  | REPAIR DCU36D                  |  | 10_ACC_DLP_DCH    |  | 82.00       



E3



---

|            |  |                               |  |                   |  |             
|----------- |  | ----------------------------- |  | ----------------- |  | ------------
|            |  | Material Description          |  | Product Hierarchy |  | List Price $
|RP4100837   |  | DCU37-UVG-RT                  |  | 10_ACC_DLP_DCH    |  | 78.00       
|RP41-008-37 |  | REPAIR DCU37                  |  | 10_ACC_DLP_DCH    |  | 78.00       
|RP4100837A  |  | REPAIR DCU 37A                |  | 10_ACC_DLP_DCH    |  | 78.00       
|RP4100837B  |  | DCU 37B                       |  | 10_ACC_DLP_DCH    |  | 78.00       
|RP4100852A  |  | REPAIR SCU52A                 |  | 10_ACC_DLP_DCH    |  | 118.00      
|RP4100852B  |  | REPAIR SCU52B                 |  | 10_ACC_DLP_DCH    |  | 118.00      
|RP4100852C  |  | REPAIR SCU52C                 |  | 10_ACC_DLP_DCH    |  | 118.00      
|RP4100852D  |  | REPAIR SCU52D                 |  | 10_ACC_DLP_DCH    |  | 118.00      
|RP4100852W  |  | REPAIR SCU52W                 |  | 10_ACC_DLP_DCH    |  | 118.00      
|RP41-008-57 |  | REPAIR SCU57                  |  | 10_ACC_DLP_DCH    |  | 118.00      
|RP4100857A  |  | REPAIR SCU57 A                |  | 10_ACC_DLP_DCH    |  | 60.50       
|RP41020611  |  | REPAIR DCU203                 |  | 10_ACC_DLP_DCH    |  | 102.00      
|RP41020611A |  | REPAIR DCU203A                |  | 10_ACC_DLP_DCH    |  | 102.00      
|RP41020611C |  | REPAIR DCU203C                |  | 10_ACC_DLP_DCH    |  | 123.00      
|RP41-108-09 |  | MPS LVDU MODULE               |  | 10_ACC_DLP_DCH    |  | 101.00      
|RP41-108-30 |  | REPAIR DCU 30                 |  | 10_ACC_DLP_DCH    |  | 68.00       
|RP41108301  |  | DCU301,REPAIR                 |  | 10_ACC_DLP_DCH    |  | 68.00       
|RP41108301A |  | REPAIR/DCU301A                |  | 10_ACC_DLP_DCH    |  | 68.00       
|RP4110830A  |  | REPAIR DCU30A                 |  | 10_ACC_DLP_DCH    |  | 68.00       
|RP41-108-38 |  | REPAIR DCU38                  |  | 10_ACC_DLP_DCH    |  | 78.00       
|RP4110841A  |  | REPAIR OF SCU41A (4110841A) |  | 10_ACC_DLP_DCH    |  | 255.00      
|RP41-208-20 |  | QCU20 SP-MTS-RT               |  | 10_ACC_DLP_DCH    |  | 129.00      
|RP4100840A  |  | LIU1A LINE INTFCE             |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840D  |  | LIU1D-LINE INTRFCE            |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840E  |  | LIU1E-LINE INTRFCE            |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840F  |  | LIU1F-LINE INTRFCE            |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840G  |  | LIU1G-LINE INTRFCE            |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840H  |  | LIU1H-LINE INTRFCE            |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840K  |  | REPAIR LIU1K                  |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840L  |  | REPAIR LIU1L                  |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840M  |  | REPAIR LIU1M                  |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840N  |  | REPAIR LIU1N                  |  | 10_ACC_DLP_DCO    |  | 291.00      
|RP4100840P  |  | REPAIR OF LIU1P-LINE INTRFCE  |  | 10_ACC_DLP_DCO    |  | 143.00      
|RP41-008-45 |  | REPAIR LSU-LINE SUPRSR        |  | 10_ACC_DLP_DCO    |  | 30.00       
|RP41-008-60 |  | CPU1 CNTL PROC                |  | 10_ACC_DLP_DCO    |  | 204.00      
|RP4100860A  |  | CPU1A-CNTRL PROC              |  | 10_ACC_DLP_DCO    |  | 204.00      
|RP4100860E  |  | CPU1-E CNTL PROC              |  | 10_ACC_DLP_DCO    |  | 139.00      
|RP4100860F  |  | REPAIR CPU1F                  |  | 10_ACC_DLP_DCO    |  | 139.00      
|RP41-008-61 |  | SPU-1 SIGNAL PROC             |  | 10_ACC_DLP_DCO    |  | 274.00      
|RP4100861A  |  | SPU1 A SIGNAL PROC            |  | 10_ACC_DLP_DCO    |  | 274.00      
|RP4100861B  |  | SPU1 B SIGNAL PROC            |  | 10_ACC_DLP_DCO    |  | 274.00      
|RP4100861C  |  | REPAIR SPU1C SIGNAL PROCESSOR |  | 10_ACC_DLP_DCO    |  | 274.00      
|RP41-008-70 |  | TRU-1                         |  | 10_ACC_DLP_DCO    |  | 279.00      
|RP4100870B  |  | TRU1B ISS 1                   |  | 10_ACC_DLP_DCO    |  | 143.00      
|RP4100870C  |  | TRU1C ISS 1                   |  | 10_ACC_DLP_DCO    |  | 143.00      
|RP4100880A  |  | REPAIR PCU1A PWR CNVRTR       |  | 10_ACC_DLP_DCO    |  | 190.00      



E4



---

|            |  |                          |  |                   |  |             
|----------- |  | ------------------------ |  | ----------------- |  | ------------
|            |  | Material Description     |  | Product Hierarchy |  | List Price $
|RP4100880C  |  | REPAIR PCU1C             |  | 10_ACC_DLP_DCO    |  | 190.00      
|RP4100880D  |  | REPAIR PCU1D-PWR CNVRTR  |  | 10_ACC_DLP_DCO    |  | 191.00      
|RP41-008-81 |  | REPAIR MU2               |  | 10_ACC_DLP_DCO    |  | 230.00      
|RP4100883C  |  | MU2C-MAIN-RDT            |  | 10_ACC_DLP_DCO    |  | 230.00      
|RP41-008-84 |  | ALARM UNIT-RDT           |  | 10_ACC_DLP_DCO    |  | 38.00       
|RP41-008-85 |  | ALARM UNIT-COT           |  | 10_ACC_DLP_DCO    |  | 69.00       
|RP4110809A  |  | LVDU A                   |  | 10_ACC_DLP_DCO    |  | 101.00      
|RP4110809B  |  | REPAIR LVDUA             |  | 10_ACC_DLP_DCO    |  | 101.00      
|RP4110860A  |  | REPAIR CPU3A             |  | 10_ACC_DLP_DCO    |  | 204.00      
|RP4110860B  |  | REPAIR CPU3B             |  | 10_ACC_DLP_DCO    |  | 155.00      
|RP41-108-86 |  | AU3 ALARM UNIT           |  | 10_ACC_DLP_DCO    |  | 77.00       
|RP41-108-87 |  | AU4 ALARM UNIT           |  | 10_ACC_DLP_DCO    |  | 77.00       
|RP41-208-60 |  | CPU DTA CNTL PROC        |  | 10_ACC_DLP_DCO    |  | 121.00      
|RP4120860A  |  | REPAIR CPUA DATA CNTL    |  | 10_ACC_DLP_DCO    |  | 98.00       
|RP4120861E  |  | REPAIR SPU2E             |  | 10_ACC_DLP_DCO    |  | 249.00      
|RP4120861G  |  | REPAIR SPU2G             |  | 10_ACC_DLP_DCO    |  | 204.00      
|RP4120861H  |  | SPU2H SIGNL PROC UNIT 2  |  | 10_ACC_DLP_DCO    |  | 115.00      
|RP41-208-70 |  | REPAIR TRU2              |  | 10_ACC_DLP_DCO    |  | 187.00      
|RP4120870A  |  | REPAIR TRU2A             |  | 10_ACC_DLP_DCO    |  | 187.00      
|RP41-308-60 |  | REPAIR CPU4              |  | 10_ACC_DLP_DCO    |  | 342.00      
|RP41-408-60 |  | REPAIR CPU5              |  | 10_ACC_DLP_DCO    |  | 269.00      
|RP4140860A  |  | REPAIR CPU5A             |  | 10_ACC_DLP_DCO    |  | 369.00      
|RP4140860B  |  | REPAIR CPU5B             |  | 10_ACC_DLP_DCO    |  | 369.00      
|RP4140861A  |  | REPAIR SPU3A             |  | 10_ACC_DLP_DCO    |  | 134.00      
|RP45-108-63 |  | CU TEST CD               |  | 10_ACC_DLP_DCO    |  | 75.00       
|RP45-108-64 |  | RIBBON CABLE TEST CD     |  | 10_ACC_DLP_DCO    |  | 121.00      
|RP45-108-65 |  | LIU TEST CD              |  | 10_ACC_DLP_DCO    |  | 107.00      
|RP45-108-66 |  | REPAIR SPU-TEST CD       |  | 10_ACC_DLP_DCO    |  | 75.00       
|RP45-108-67 |  | REPAIR TRU               |  | 10_ACC_DLP_DCO    |  | 71.00       
|RP45-108-68 |  | REPAIR MU TEST CD        |  | 10_ACC_DLP_DCO    |  | 61.00       
|RP45-108-69 |  | ALARM UNIT               |  | 10_ACC_DLP_DCO    |  | 75.00       
|RP45-208-60 |  | REPAIR INST. TEST KIT    |  | 10_ACC_DLP_DCO    |  | 460.15      
|RP41-008-11 |  | RECT MOD 50A/50VDC       |  | 10_ACC_DLP_DHW    |  | 650.00      
|RP41-008-30 |  | DC DISTRIBUTION PNL ASY  |  | 10_ACC_DLP_DHW    |  | 68.00       
|RP4100890L3 |  | REPAIR CO COMMON SHLF    |  | 10_ACC_DLP_DHW    |  | 127.75      
|RP4100891L2 |  | REPAIR RDT COMMON SHELF  |  | 10_ACC_DLP_DHW    |  | 127.75      
|RP4100892L1 |  | RT F/A PNL 7 RK         |  | 10_ACC_DLP_DHW    |  | 126.00      
|RP4100892L2 |  | REPAIR RT F/A PNL 7RK   |  | 10_ACC_DLP_DHW    |  | 126.00      
|RP4100892L3 |  | RT F/A PNL 7RK          |  | 10_ACC_DLP_DHW    |  | 126.00      
|RP410O894L0 |  | CO CHANN SHELF           |  | 10_ACC_DLP_DHW    |  | 127.75      
|RP4100895L2 |  | REPAIR RT CHNL SHELF     |  | 10_ACC_DLP_DHW    |  | 153.75      
|RP4100895L4 |  | REPAIR RT CHANNEL SHELF  |  | 10_ACC_DLP_DHW    |  | 127.75      
|RP41-208-11 |  | REPAIR RECTIFIER 50A/50V |  | 10_ACC_DLP_DHW    |  | 650.00      
|RP45-108-26 |  | FAN ASSY,RTC D CAB       |  | 10_ACC_DLP_DHW    |  | 36.00       
|RP45-108-84 |  | INV ASSY FAN PWR         |  | 10_ACC_DLP_DHW    |  | 250.00      
|RP45-208-04 |  | REPAIR LVD/DC DIST PNL   |  | 10_ACC_DLP_DHW    |  | 183.00      



E5



---

|            |  |                                  |  |                   |  |             
|----------- |  | -------------------------------- |  | ----------------- |  | ------------
|            |  | Material Description             |  | Product Hierarchy |  | List Price $
|RP45-208-24 |  | LVD/DC DP 3 SYSTEM               |  | 10_ACC_DLP_DHW    |  | 179.00      
|RP72-07-956 |  | REPAIR RECT MODULE               |  | 10_ACC_DLP_DHW    |  | 130.00      
|RP73-25-022 |  | RECTIFIER CIRCUIT CARD           |  | 10_ACC_DLP_DHW    |  | 165.00      
|RP73-25-024 |  | REPAIR RECTIFIER 25A 54.5V NOM   |  | 10_ACC_DLP_DHW    |  | 440.00      
|RP73-25-025 |  | RECTIFIER A50B50 B               |  | 10_ACC_DLP_DHW    |  | 650.00      
|RP73-25-028 |  | REPAIR RECTIFIER                 |  | 10_ACC_DLP_DHW    |  | 330.00      
|RP73-71-990 |  | REPAIR SFT5 RING GEN             |  | 10_ACC_DLP_DHW    |  | 303.76      
|RP75-00-195 |  | DSX 1 CHASIS                     |  | 10_ACC_DLP_DHW    |  | 160.00      
|RP41-014-15 |  | REPAIR X. 25                     |  | 10_ACC_DLP_DSS    |  | 448.00      
|RP41-108-02 |  | REPAIR/PRINTER KIT-MICROLINE 320 |  | 10_ACC_DLP_DSS    |  | 250.00      
|RP41-408-08 |  | RACK MT.SSX.25/RS-232            |  | 10_ACC_DLP_DSS    |  | 487.00      
|RP41-408-09 |  | RACK MT. SS RE-232 UGKT          |  | 10_ACC_DLP_DSS    |  | 179.00      
|RP72-40-897 |  | COMPUTER TANDY MOD.4000          |  | 10_ACC_DLP_DSS    |  | 500.00      
|RP73-03-511 |  | PC WORKSTATION KEYBOARD          |  | 10_ACC_DLP_DSS    |  | 150.00      
|RP73-11-692 |  | MODULE SERIAL IO 8CH IBM         |  | 10_ACC_DLP_DSS    |  | 125.00      
|RP73-11-696 |  | MODULE, SERIAL 8CH RS422         |  | 10_ACC_DLP_DSS    |  | 125.00      
|RP4100835B  |  | REPAIR MDU3B                     |  | 10_ACC_DLS_SCO    |  | 276.00      
|RP41-008-38 |  | REPAIR DLU3 DATA LINK UNIT       |  | 10_ACC_DLS_SCO    |  | 241.00      
|RP4100838B  |  | REPAIR DLU3B                     |  | 10_ACC_DLS_SCO    |  | 241.00      
|RP4100838C  |  | REPAIR DLU3C DATA LINK UNIT      |  | 10_ACC_DLS_SCO    |  | 241.00      
|RP4100842A  |  | REPAIR UDU3A                     |  | 10_ACC_DLS_SCO    |  | 512.00      
|RP4100842B  |  | REPAIR UDU3A                     |  | 10_ACC_DLS_SCO    |  | 512.00      
|RP41-008-43 |  | REPAIR OLU3                      |  | 10_ACC_DLS_SCO    |  | 429.00      
|RP4100843A  |  | REPAIR OLU3A                     |  | 10_ACC_DLS_SCO    |  | 429.00      
|RP4110861A  |  | TPU3A TRANS PRSCR UNIT 3         |  | 10_ACC_DLS_SCO    |  | 206.00      
|RP41-108-64 |  | REPAIR TPU4                      |  | 10_ACC_DLS_SCO    |  | 191.00      
|RP4110864B  |  | REPAIR TPU4B                     |  | 10_ACC_DLS_SCO    |  | 191.00      
|RP4110892L1 |  | DISCS 3 COT F/A PANEL           |  | 10_ACC_DLS_SHW    |  | 398.00      
|RP4110894L0 |  | REPAIR COT CHAN SHLF WOUT/E&M    |  | 10_ACC_DLS_SHW    |  | 309.00      
|RP4110895L1 |  | RT CH SHLF                       |  | 10_ACC_DLS_SHW    |  | 309.00      
|RP4102048A  |  | REPAIR OMU 18A                   |  | 10_ACC_DLV_VCO    |  | 133.70      
|RP4102145A1 |  | REPAIR OF OIU45A1 (4102145A1)  |  | 10_ACC_DLV_VCO    |  | 394.00      
|RP4102145L1 |  | REPAIR OF OIU45 (4102145L1)    |  | 10_ACC_DLV_VCO    |  | 394.00      
|RP4102148Z1 |  | OIU 48Z1(REPAIR)                 |  | 10_ACC_DLV_VCO    |  | 182.00      
|RP4100803E  |  | SCU-3E                           |  | 10_ACC_OTH_PRP    |  | 218.00      
|RP4100804   |  | SCU-4                            |  | 10_ACC_OTH_PRP    |  | 49.00       
|RP4100810   |  | DCU10-SPMTS-CO                   |  | 10_ACC_OTH_PRP    |  | 52.00       
|RP41008101Z |  | REPAIR DCU101Z                   |  | 10_ACC_OTH_PRP    |  | 74.00       
|RP4100810B  |  | DCU10B-SP MTS-CO                 |  | 10_ACC_OTH_PRP    |  | 89.00       
|RP4100820   |  | DCU20-SP MTS-RT                  |  | 10_ACC_OTH_PRP    |  | 54.00       
|RP4100820Z  |  | REPAIR DCU20Z                    |  | 10_ACC_OTH_PRP    |  | 74.00       
|RP4100822   |  | SCU22-COIN-RT                    |  | 10_ACC_OTH_PRP    |  | 90.00       
|RF4100833   |  | DCU33-DPO/DPT                    |  | 10_ACC_OTH_PRP    |  | 128.00      
|RP4100836   |  | DCU36-UVG-CO                     |  | 10_ACC_OTH_PRP    |  | 72.00       
|RP41-008-40 |  | LIU-1 LINE INTRFCE               |  | 10_ACC_OTH_PRP    |  | 291.00      
|RP4100852   |  | SCU 52 OCU-DP                    |  | 10_ACC_OTH_PRP    |  | 210.00      



E6



---

|            |  |                                       |  |                   |  |             
|----------- |  | ------------------------------------- |  | ----------------- |  | ------------
|            |  | Material Description                  |  | Product Hierarchy |  | List Price $
|RP4100857   |  | SCU 57 DSO-DP                         |  | 10_ACC_OTH_PRP    |  | 189.00      
|RP4100861   |  | SPU1-SIGNL PROC                       |  | 10_ACC_OTH_PRP    |  | 274.00      
|RP4100870   |  | TRU1-TRNSMT/RCV ISSU1                 |  | 10_ACC_OTH_PRP    |  | 279.00      
|RP4100880   |  | PCU1-PWR CNVRTR                       |  | 10_ACC_OTH_PRP    |  | 298.00      
|RP4100882   |  | MU1-MAINT-COT                         |  | 10_ACC_OTH_PRP    |  | 230.00      
|RP41-008-82 |  | DISC*S MAINTENANCE UNIT               |  | 10_ACC_OTH_PRP    |  | 230.00      
|RP4100883   |  | MU2-MAINT-RDT                         |  | 10_ACC_OTH_PRP    |  | 230.00      
|RP41-008-83 |  | DISC*S MU2                            |  | 10_ACC_OTH_PRP    |  | 230.00      
|RP4100884   |  | AU2-ALARM-RDT                         |  | 10_ACC_OTH_PRP    |  | 38.00       
|RP4100885   |  | AU1-ALARM-COT                         |  | 10_ACC_OTH_PRP    |  | 69.00       
|RP4102005B  |  | OIU5B                                 |  | 10_ACC_OTH_PRP    |  | 297.00      
|RP4102007B  |  | REPAIR OIU7B                          |  | 10_ACC_OTH_PRP    |  | 297.00      
|RP4102016A  |  | REPAIR OIU14A                         |  | 10_ACC_OTH_PRP    |  | 169.00      
|RP4102026Y1 |  | REPAIR OIU71Y1                        |  | 10_ACC_OTH_PRP    |  | 142.00      
|RP41-020-50 |  | HDT OPT MAINT (OMU 1)                 |  | 10_ACC_OTH_PRP    |  | 25.00       
|RP41-020-55 |  | OPTICAL RIBBON CABLE                  |  | 10_ACC_OTH_PRP    |  | 30.00       
|RP4102065Z  |  | REPAIR SFU13Z                         |  | 10_ACC_OTH_PRP    |  | 103.00      
|RP41-108-61 |  | TPU3 TRANS PRSCR UNIT 3               |  | 10_ACC_OTH_PRP    |  | 206.00      
|RP4110886   |  | AU3 ALARM UNIT                        |  | 10_ACC_OTH_PRP    |  | 82.00       
|RP41108L1   |  | DUSCS 3 COT F/A PANEL                |  | 10_ACC_OTH_PRP    |  | 398.32      
|RP4130860C  |  | REPAIR CPU4C                          |  | 10_ACC_OTH_PRP    |  | 342.00      
|RP4140861B  |  | REPAIR SPU3B                          |  | 10_ACC_OTH_PRP    |  | 134.00      
|RP73-03-510 |  | KEY BD 106K 30MM                      |  | 10_ACC_OTH_PRP    |  | 270.00      
|RP73-11-703 |  | MONITOR, 14 COLOR                    |  | 10_ACC_OTH_PRP    |  | 1,000.00    
|RP73-20-377 |  | RACK MOUNT MONITOR                    |  | 10_ACC_OTH_PRP    |  | 313.00      
|RP487111300 |  | REPAIR OF SFT5 RING GEN (487111300) |  | 20_TRD_RNG_RNG    |  | 303.76      
|RP486528200 |  | REPAIR OF RECT,VORTEX PCU,48V,15A   |  | 20_VMS_RCT_RCT    |  | 511.00      



E7



---

LOGO





August 10, 2004



Mr. Bill Morrow

Chief Financial Officer

Grande Communications, Inc.

401 Carlson Circle

San Marcos, TX 78666



|RE: | Grande Deployment of AFC Products and Minimum Purchase Obligations
|--- | ------------------------------------------------------------------



Dear Bill:



This letter is in reference to that certain System Purchase Agreement between Grande Communications, Inc. (Grande) and Marconi Communications, Inc. (Marconi), as amended (the
Agreement), and as later assigned by Marconi to Advanced Fibre Access Corporation, wholly-owned subsidiary of Advanced Fibre Communications, Inc. (AFC) with the Consent to Assignment issued by Grande.



AFC and Grande hereby agree to continue to work together in good faith to achieve the
development, testing and deployment of AFCs FTTH Product with RF Return as soon as is commercially reasonable. AFC shall make no commitments or representations on behalf of Grande to any third parties including, without limitation, Motorola
and Scientific Atlanta, without having obtained Grandes express prior written approval.



For the remainder of calendar year 2004 only, AFC hereby waives its right to enforce Grandes minimum purchase obligations, as such obligations were initially set forth in Section 5.4 of the Agreement and were
later revised in that certain Consent to Assignment executed by Grande, AFC and Marconi. However, such waiver by AFC shall not serve to waive any of AFCs other rights under the Agreement, nor to waive AFCs right to enforce Grandes
minimum purchase obligations at any time subsequent to calendar year 2004.



AFC
is eager to continue to work with Grande, maintaining the strong ties between the two companies and the strategic business alliance that they share.



If the terms of this letter agreement meet with Grandes approval, please counter-sign in the space provided below and then return it to the attention of Woody
Waters, 1465 North McDowell Blvd., Petaluma, California 94954 or by fax to him at (707) 794-7878. Thank you.



|                                  |  |                |  |                             |  |       |  |                      
|--------------------------------- |  | -------------- |  | --------------------------- |  | ----- |  | ---------------------
|Sincerely,                        |  |                |  | AGREED AND ACCEPTED:       
|                                  |  |               
|ADVANCED FIBRE ACCESS CORPORATION |  |                |  | GRANDE COMMUNICATIONS, INC.
|                                  |  |                |  |                            
|By:                               |  | /s/ Jack Ermey |  |                             |  | By:   |  | /s/ William E. Morrow
|                                  |  |                |  |                            
|                                  |  |                |  |                             |  | Date: |  | August 10, 2004      







1465 North McDowell Boulevard  Petaluma, California 94954

(707) 794-7700  Fax (707) 794-7777

http://www.afc.com