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                                                                   EXHIBIT 10.26

                      FORM OF EXECUTIVE SEVERANCE AGREEMENT

                  THIS EXECUTIVE SEVERANCE AGREEMENT dated as of
_________________, 200__ by and between Digital Lightwave, Inc. (the "Company"),
and _____________________ ("Executive");

                              W I T N E S S E T H:

                  WHEREAS, the Company desires to create a greater incentive for
Executive to remain in the employ of the Company, particularly in the event of a
Change in Control of the Company.

                  NOW, THEREFORE, in partial consideration of Executive's past
and future services to the Company and the mutual covenants contained herein,
the parties hereto hereby agree as follows:

V.       INVOLUNTARY TERMINATION FOLLOWING A CHANGE IN CONTROL

         A.       Involuntary Termination. Subject to Section 2 below, Executive
                  shall be entitled to the compensation and benefits listed in
                  Paragraphs 1(b) and (c), in addition to compensation and
                  benefits to which Executive would otherwise be entitled as of
                  the date of termination, if Executive's employment with the
                  Company is terminated in an Involuntary Termination within one
                  (1) year following the occurrence of a Change in Control.

         B.       Compensation. Within ten (10) business days after an
                  Involuntary Termination (or , if later, the last day of any
                  period during which the release referred to in Paragraph 2 may
                  be revoked by Executive), the Company shall make a lump sum
                  cash payment to Executive, subject to any mandatory tax
                  withholding. The dollar amount of the lump sum cash payment
                  shall be determined in accordance with the following formula:

                           (i)      if on the date of the Involuntary
                  Termination Executive has been in the Company's employ for at
                  least one (1) year, but less than three (3) years, then
                  Executive shall receive a lump sum cash payment equal to three
                  (3) months of the monthly rate of Executive's Base Salary;

                           (ii)     if on the date of the Involuntary
                  Termination Executive has been in the Company's employ for at
                  least three (3) years, but less than five (5) years, then
                  Executive shall receive a lump sum cash payment equal to nine
                  (9) months of the monthly rate of Executive's Base Salary; and

                           (iii)    if on the date of the Involuntary
                  Termination Executive has been in the Company's employ for at
                  least five (5) years, then Executive shall receive a lump sum
                  cash payment equal to the Executive's Base Salary.

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The compensation payable hereunder shall not be reduced or offset by any amounts
that Executive earns or could earn from any other sources following Executive's
Involuntary Termination. [However, except to the extent the Company expressly
agrees otherwise in writing, if the Company becomes obligated to pay Executive
any severance pay under a separate employment or severance agreement or
arrangement, the benefits payable hereunder shall be reduced by the amount of
benefits payable under such other agreement or arrangement.]

         (c)      Welfare Benefit Coverage. Executive (and, if applicable,
Executive's eligible dependents) may elect to continue coverage under the
Company's group medical/dental plan at Executive's own expense in accordance
with the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended
("COBRA") and, for purposes of determining the maximum period of COBRA coverage,
such maximum period will begin immediately upon Executive's Involuntary
Termination. [The Company may wish to consider continuation of coverage at the
Company's expense for a designated time period]

VI.      FAILURE TO EXECUTE A RELEASE

                  All compensation under Paragraph 1(b) above is in
consideration for Executive's execution of a release of claims against the
Company, its affiliates and their employees and agents in the form attached as
Exhibit A hereto, which release Executive does not subsequently revoke or
attempt to revoke. If Executive doesn't properly execute such a release or if
Executive attempts to revoke such release, Executive will not be entitled to any
of the compensation provided under Paragraph 1(b).

VII.     DEFINITIONS

                  a.       Base Salary. "Base Salary" means the greater of the
                           annual rate of base salary in effect for Executive at
                           the time of Executive's Involuntary Termination or
                           the annual rate of base salary in effect for
                           Executive immediately before the Change in Control.

         (b)      Change in Control shall mean any of the following:

                  (i)      any acquisition, directly or indirectly by any person
                  or related group of persons (other than the Company), of
                  beneficial ownership (within the meaning of Rule 13d-3 of the
                  1934 Act) of securities, after which acquisition, securities
                  possessing more than fifty percent (50%) of the total combined
                  voting power of the Company's outstanding securities are owned
                  by such person or group of persons, provided that this
                  provision shall not apply to an acquisition by any person or
                  related group of persons who, on the date hereof, directly or
                  indirectly beneficially owns securities possessing more than
                  fifty percent (50%) of the total combined voting power of the
                  Company's outstanding securities if such acquisition either:

                           (a)  occurs on or before the date hereof, or

                           (b) occurs after the date hereof but before the first
                  day after the date

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                  hereof, if any, that such person or group of related persons'
                  beneficial ownership is less than 40% of the total combined
                  voting power of the Company's outstanding securities; or

                  (ii) a change in the composition of the Board over a period of
                  thirty-six (36) consecutive months or less such that a
                  majority of the Board members ceases, by reason of one or more
                  contested elections for Board membership, to be comprised of
                  individuals who either (A) have been Board members
                  continuously since the beginning of such period or (B) have
                  been elected or nominated for election as Board members during
                  such period by at least a majority of the Board members
                  described in clause (A) who were still in office at the time
                  the Board approved such election or nomination.

                  (iii) a merger, consolidation or other reorganization approved
                  by the Company's stockholders, unless securities representing
                  more than fifty percent (50%) of the total combined voting
                  power of the voting securities of the successor Company are
                  immediately thereafter beneficially owned, directly or
                  indirectly and in substantially the same proportion, by the
                  persons who beneficially owned the Company's outstanding
                  voting securities immediately prior to such transaction, or

                  (iv) the sale, transfer or other disposition of all or
                  substantially all of the Company's assets in complete
                  liquidation or dissolution of the Company.

         (c)      Involuntary Termination shall mean the termination of
                  Executive's employment which occurs by reason of:

                           (i)      Executive's involuntary dismissal or
                                    discharge by the Company for reasons other
                                    than Misconduct, or

                           (ii)     Executive's voluntary resignation following
                                    (A) a change in his or her position with the
                                    Company which materially reduces his or her
                                    duties and responsibilities or the level of
                                    management to which he or she reports, (B) a
                                    reduction in his or her level of
                                    compensation (including base salary, fringe
                                    benefits and target bonus under any
                                    corporate-performance based bonus or
                                    incentive programs) by more than fifteen
                                    percent (15%) or (C) a relocation of
                                    Executive's place of employment by more than
                                    fifty (50) miles, provided and only if such
                                    change, reduction or relocation is effected
                                    by the Company without Executive's consent.

         (d)      Misconduct shall mean the commission of any act of fraud or
                  embezzlement or material act of dishonesty by the Executive,
                  any unauthorized use or disclosure by such person of
                  confidential information or trade secrets of the Company, or
                  any other intentional misconduct by such person adversely
                  affecting the business or affairs of the Company in a material
                  manner. The foregoing definition shall not in any way preclude
                  or restrict the right of the Company to discharge or dismiss

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                  any executive or other person in the service of the Company
                  for any other acts or omissions, but such other acts or
                  omissions shall not be deemed, for purposes of this Agreement
                  to constitute grounds for termination for Misconduct.

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VIII.    MISCELLANEOUS.

         A.       Captions. The captions in this Agreement are not part of the
                  provisions hereof, are merely for the purpose of reference and
                  shall have no force or effect.

         B.       Governing Law. This Agreement is made in, and shall be
                  governed by and construed in accordance with the laws of, the
                  State of Florida, to the extent not preempted by the Employee
                  Retirement Income Security Act of 1974, as amended. This
                  Agreement, to the extent that it provides for severance
                  benefits, together with similar agreements with other
                  executives of the Company, is intended, for purposes of ERISA,
                  to qualify as an employee welfare benefit plan for a select
                  group of management or highly compensated employees.

         C.       Amendment or Modification. This Agreement contains the entire
                  agreement of the parties with respect to the subject matter
                  hereof and no amendment or modification shall be effective
                  unless made in writing executed by an authorized officer of
                  the Company and Executive.

         D.       Successors and Beneficiaries. This Agreement shall be binding
                  on and inure to the benefit of the successors, assigns, heirs,
                  devisees and personal representatives of the parties,
                  including any successor to the Company by merger or
                  combination and any purchaser of all or substantially all of
                  the assets of the Company. Should Executive die before receipt
                  of all benefits to which Executive becomes entitled under this
                  Agreement, the payment of such benefits will be made, on the
                  due date or dates hereunder had Executive survived, to the
                  executors or administrators of Executive's estate.

         E.       Notices. All notices given hereunder shall be in writing and
                  shall be sent by registered or certified mail or delivered by
                  hand and, if intended for the Company, shall be addressed to
                  it (if sent by mail) or delivered to it (if delivered by hand)
                  at its principal office for the attention of the Secretary of
                  the Company or at such other address and for the attention of
                  such other person of which the Company shall have given notice
                  to Executive in the manner herein provided; and if intended
                  for Executive, shall be delivered personally or shall be
                  addressed (if sent by mail) at the then current residence
                  address as reflected in the personnel records of the Company,
                  or at such other address or to such designee of which
                  Executive shall have given notice to the Company in the manner
                  herein provided. Each such notice shall be deemed to be given
                  on the date received at the address of the addressee or, if
                  delivered personally, on the date so delivered.

         F.       Distributions. The benefits to which Executive may become
                  entitled under this Agreement will be paid, when due, from the
                  general assets of the Company. Executive's right (or the right
                  of the executors or administrators of Executive's estate) to
                  receive any such payments will at all times be that of a
                  general creditor of the Company and will have no priority over
                  the claims of other general creditors of the Company. The
                  benefits provided under this Agreement are intended to be
                  unfunded for purposes of the Employee Retirement Income
                  Security Act of 1974.

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         G.       Rights and Remedies. All rights and remedies provided pursuant
                  to this Agreement or by law will be cumulative, and no such
                  right or remedy will be exclusive of any other. A party may
                  pursue any one or more rights or remedies hereunder or may
                  seek damages or specific performance in the event of another
                  party's breach hereunder or may pursue any other remedy by law
                  or equity, whether or not stated in this Agreement.

                  IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the day and year first above written.

                                      DIGITAL LIGHTWAVE, INC.

                                      BY
                                         ------------------------------------

                                      EXECUTIVE:

                                      ---------------------------------------
                                                   (SIGNATURE)

                                      ---------------------------------------
                                                  (PRINT NAME)

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                                                                    EXHIBIT 10.1

                          REDACTED FOR CONFIDENTIALITY

                               Dated 31 July 2000

                            LUCENT TECHNOLOGIES INC.

                                     - and -

                    CHARTERED SEMICONDUCTOR MANUFACTURING LTD

             -------------------------------------------------------

                           AMENDMENT AGREEMENT (NO. 1)
                                       TO
                          TECHNOLOGY TRANSFER AGREEMENT
                             DATED 17 FEBRUARY 1998

             -------------------------------------------------------

                        CONFIDENTIAL TREATMENT REQUESTED
                        --------------------------------

                    THE ASTERISKED PORTIONS OF THIS DOCUMENT
                   HAVE BEEN OMITTED AND ARE FILED SEPARATELY
                  WITH THE SECURITIES AND EXCHANGE COMMISSION

<PAGE>   2

                           AMENDMENT AGREEMENT (NO. 1)

     THIS AMENDMENT AGREEMENT (NO. 1) is made on 31 July 2000
BETWEEN :-

(1)  LUCENT TECHNOLOGIES INC. ("Lucent"), a Delaware corporation having an
     office at 600 Mountain Avenue, Murray Hill, New Jersey 07974, United States
     of America; and

(2)  CHARTERED SEMICONDUCTOR MANUFACTURING LTD ("CSM"), a company incorporated
     in Singapore with its registered office at 60, Woodlands Industrial Park D,
     Street 2, Singapore 738406;

Lucent and CSM are collectively referred to herein as "Parties" and individually
referred to herein as a "Party".

     WHEREAS:-

(A)  The Parties have entered into a Technology Transfer Agreement dated 17
     February 1998 (the "Technology Transfer Agreement").

(B)  The Parties are entering into this Amendment Agreement (No. 1) to vary the
     Technology Transfer Agreement with effect from the date hereof.

     IT IS AGREED as follows:-

1.   INTERPRETATION

     All terms and references used in the Technology Transfer Agreement and
     which are defined or construed in the Technology Transfer Agreement but are
     not defined or construed in this Amendment Agreement (No. 1) shall have the
     same meaning and construction in this Amendment Agreement (No. 1).

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2.   AMENDMENT TO THE TECHNOLOGY TRANSFER AGREEMENT

     The Parties agree that with effect from the date of this Amendment
     Agreement (No. 1), the following exhibits of the Technology Transfer
     Agreement

     -    Exhibit A  Lucent's Technical Information
     -    Exhibit B  CSM's Technical Information
     -    Exhibit C  List of Subsidiaries
     -    Exhibit D  Technical Information Which May Be Disclosed To Customers

     shall be amended by deleting the said exhibits in their entirety and
     replacing therewith, the exhibits attached to this Amendment Agreement (No.
     1) and marked as

     -    "Exhibit A  Lucent's Technical Information"
     -    "Exhibit B  CSM's Technical Information"
     -    "Exhibit C  List of Subsidiaries"
     -    "Exhibit D  Technical Information Which May Be Disclosed to Customers"
          respectively.

3.   SAVING AND INCORPORATION

(A)  Save as expressly amended by this Amendment Agreement (No. 1), the terms
     and conditions of the Technology Transfer Agreement shall continue to be in
     full force and effect in all other respects.

(B)  The Technology Transfer Agreement and this Amendment Agreement (No. 1)
     shall be construed as one document and this Amendment Agreement (No. 1)
     shall be deemed to be part of the Technology Transfer Agreement. Where the
     context so permits, references in the Technology Transfer Agreement and in
     this Amendment Agreement (No. 1) to "the Technology Transfer Agreement" or
     "this Agreement" shall be read and construed as references to the
     Technology Transfer Agreement as amended and supplemented this Amendment
     Agreement (No. 1).

4.   GOVERNING LAW

     This Amendment Agreement (No. 1) shall be interpreted in accordance with
     the law of the State of New York, United States of America, without regard
     to conflicts of laws provisions.

I N  W I T N E S S  W H E R E O F  the parties have entered into this Amendment
Agreement (No. 1) as of the later date stated below.

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LUCENT TECHNOLOGIES INC.

               By:               /s/ Dan McCurdy
                  -------------------------------------------------
                                    Dan McCurdy
                     President - Intellectual Property Business

               Date:                 31 July 2000
                     ----------------------------------------------

CHARTERED SEMICONDUCTOR MANUFACTURING LTD

               By:              /s/ Barry Waite
                  -------------------------------------------------
                                    Barry Waite
                         President & Chief Executive Officer

               Date:                21 June 2000
                     ----------------------------------------------

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                                    EXHIBIT A

                         LUCENT'S TECHNICAL INFORMATION

Lucent's ***** and ****** and ****** Digital and Linear Process Technologies

1.   Process Flow
2.   Process Log
3.   Process recipes and tool set-ups
4.   Target film thicknesses
5.   Schematic cross-sections
6.   Electrical specifications
7.   Layout rules
8.   Transistor spice files
9.   Device characterization data
10.  Process characterization data
11.  Process capability data
12.  Yield and Defect Density Trend data
13.  Reliability Characterisation data and Qualification Reports
14.  FMA results
15.  Equipment and Materials specifications

Lucent's Technical Information shall not include Lucent's BiCMOS, FLASH and
embedded DRAM modules.

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                                    EXHIBIT B

                           CSM'S TECHNICAL INFORMATION

(A)  For the following Process Modules,

(1)  CSM's ******** Process Technology;

(2)  CSM's ********* Process Technology;

(3)  CSM's ******** Process Technology;

(4)  CSM's ******** Process Module;

(5)  CSM's ******** Process Technology and derivatives;

(6)  CSM's *********** Process Technology;

(7)  CSM's *********** Process Technology; and

(8)  CSM's *********** Process Technology.

CSM will provide the following Technical Information:

1.   Process Flow
2.   Process Log
3.   Process recipes and tool set-ups
4.   Target film thicknesses
5.   Schematic cross-sections
6.   Electrical specifications
7.   Layout rules
8.   Transistor spice files
9.   Device characterization data
10.  Process characterization data
11.  Process capability data
12.  Yield and Defect Density Trend data
13.  Reliability Characterisation data and Qualification Reports
14.  FMA results
15.  Equipment and Materials specifications

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(B)  CSM's Technical Information shall not include :-

(1)  any of CSM's customer specific derivative process technologies based on any
     of CSM's baseline Process Technologies listed above in Section A of this
     Exhibit C;

(2)  CSM's ********* Process Technologies;

(3)  CSM's ********* Process Technologies; and

(4)  CSM's ********* Process Technologies.

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                                    EXHIBIT C

                              LIST OF SUBSIDIARIES

LUCENT'S SUBSIDIARIES

Cirent Semiconductor
Silicon Manufacturing Partners Pte Ltd

CSM'S SUBSIDIARIES

Chartered Silicon Partners Pte Ltd

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                                    EXHIBIT D

            TECHNICAL INFORMATION WHICH MAY BE DISCLOSED TO CUSTOMERS

The following portions of Lucent's Technical Information (Exhibit A) and CSM's
Technical Information (Exhibit C) can be provided to customers under appropriate
confidentiality terms in accordance with the provisions of Article 4:

1.   Process Information

Process Name
Technology
Process Type
Number of Poly Layers
Number of Metal Layers
Poly Type
Voltage Type
Module Addition
Process Description
Starting Material Type(s)
    Non-EPI Layer
    Epitaxial Layer
Process Runsheet Spec
Non-Proprietary Process Flow Spec
Schematic Cross-Sections
Topological Design Rule Spec
Mask Bias Table Spec
Number of Reticles
Number of Masking Layers
Frame Doc #
Frame Table #
Reliability Spec
CSM's ****** and ******  Bitcells

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2.   Electrical Test Information

Spice Model Spec

     Level - 13
     Level - 28
     Level - 49
     Level - 53
     BSIM3

Electrical Parameters Spec
Electrical Test Spec
Electrical Test Program Spec

3.   Qualification Plan

Reliability Results Report (at QA)
Qual Report

4.   Phase of Process

Engineering Prototype/ Pilot Production/ Production

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