Document:

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                                                                 Exhibit 10.47.2

<TABLE>
<CAPTION>
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Lessor NTFC Capital Corporation or its affiliate, successor or assign                                          Equipment Schedule
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<S>                                                                         <C>

Lessee [INTERSTATE FIBERNET, INC. or ITC/\ELTACOM
       COMMUNICATIONS, INC.]
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Billing Address                                                                                       Attention
1791 O.G. Skinner Drive
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City                                                                            County/Province          State/Country    Zip Code
West Point                                                                                               Georgia          31833

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Installation Site                         City                                  County/Province          State/Country    Zip Code

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Supplier Name                                                                       Purchase Option

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Agreement No./Schedule No.                Price                                      Payment Nos.        Lease Rate Factor    Rent
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Date of Schedule                          Term (months)
                                          Sixty (60)
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                                          Payment Period

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TERMS AND CONDITIONS (The following 3 pages contain Terms and Conditions which are also a part of this Schedule)
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</TABLE>

The terms and conditions of the Master Lease Agreement between Lessor and Lessee
referenced above are made a part of this Schedule. Lessor and Lessee hereby
agree to the terms defined above and further agree as set forth herein.

1. ACCEPTANCE: The System has been delivered to the Installation Site set forth
above ("Installation Site"). Lessee shall not move any Equipment and/or
        -----------------
Software from its Installation Site without first (a) giving Lessor twenty (20)
days prior written notice of the location of the applicable Installation Site
including, without limitation, a complete description of the Equipment and/or
Software to be located at the site and the portion of the Price attributable
thereto, (b) executing and delivering to Lessor any UCC financing statements
required by Lessor, and (c) executing and delivering to Lessor any applicable
Landlord waiver, if the same has not previously been delivered hereunder in
respect of the Installation Site and any other document Lessor believes
necessary to protect its interest in the System.  The failure to comply with the
foregoing provisions shall constitute an Event of Default. Lessee agrees to
irrevocably accept the System for purposes of this Lease on the date Lessee
executes this Schedule.  Lessee waives any right to terminate the Lease or to
withhold Rent based on any installation and related performance issues.

2. MAINTENANCE, USE, AND OPERATION:  At all times during the Term, at its sole
cost and expense, Lessee shall maintain or cause the System to be maintained in
good repair, condition and working order in accordance with established
maintenance procedures such that the System performs to its respective
manufacturer's published specifications and shall maintain or cause the System
to be maintained within two Product Computing Loads of its respective
manufacturer's latest Product Computing Loads, ordinary wear and tear excepted.
Lessee shall use the System and all parts thereof for its designated purpose and
in compliance with all applicable laws.  Lessee shall keep the System in its
possession and control and installed in the Installation Site.

3. MAINTENANCE CONTRACT:  If maintenance and/or service ("Maintenance")
                                                          -----------
relative to the System being provided by the Supplier is listed as part of the
Equipment and Software Listing attached to this Schedule, the cost of such
Maintenance, ("Maintenance Price"), is included in the Price of the System and
               -----------------
in the Rent.  Lessee agrees that (a) Lessee has selected the Supplier providing
the Maintenance; (b) Lessor is not responsible for providing any such
Maintenance; (c) Lessor has not made any representations and warranties with
respect to Maintenance, except that it will pay the Maintenance Price; (d)
Lessee will pursue any claim it has relative to Maintenance against the Supplier
and not Lessor; and (e) Lessee's obligations to pay Rent and other sums due
under the Lease shall remain unconditional and not subject to any reduction,
delay, setoff, defense or counterclaim for any reason including, without
limitation, issues relative to Maintenance.  Lessee or Supplier has delivered to
Lessor a full and complete copy of the agreement between Lessee and the Supplier
relative to Maintenance ("Maintenance Contract").  Lessee shall be responsible
                          --------------------
to pay Supplier for any Maintenance under the Maintenance Contract if the cost
of such Maintenance is not included in the Maintenance Price.

4. PERSONAL PROPERTY:  The System is, and shall at all times remain, personal
property even if the Equipment is affixed or attached to real property or any
improvements thereon.  At Lessor's request, Lessee shall, at no charge, promptly
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affix to the System any tags, decals, or plates furnished by Lessor indicating
Lessor's interest in the System and Lessee shall not permit their removal or
concealment.  At Lessee's expense, Lessee shall (a) at all times keep the System
free and clear of all liens and encumbrances, except those described in Section
6 and those arising through the actions of Lessor, and (b) otherwise cooperate
to defend Lessor's interest in the System and to maintain the status of the
System and all parts thereof as personal property.  If requested by Lessor,
Lessee will, at Lessee's expense, furnish a waiver of any interest in the System
from any party having an interest in the real estate or building in which the
System is located.  Upon giving Lessee three (3) days prior written notice,
Lessor may inspect the System and any related maintenance records during
Lessee's normal business hours.

5. SECURITY INTEREST:  (a) Lessor holds title to the Equipment and the right to
use the Software, and (b) Lessee shall have no right, title or interest therein,
other than possession and use as a lessee and non-exclusive sublicensee. In the
event this Lease is determined by a court to be a lease intended as security,
Lessee hereby grants to Lessor a first priority security interest in Lessee's
existing and hereafter acquired right, title and interest in, to and under (i)
the System, including all Leased Modifications and Leased Additions (as defined
in Section 7 below) thereto, and replacements therefor, (ii) the applicable
Supplier Agreements or purchase orders with Supplier with respect to any of the
Equipment and/or Software, and (iii) all products and proceeds of the foregoing.

6. MODIFICATIONS, ADDITIONS AND ALTERATIONS:  After the Commencement Date of
this Lease and without notice to Lessor, Lessee may, at Lessee's expense, alter
or modify any item of Equipment with a severable upgrade, accessory or any other
equipment that meets the specifications of the System's manufacturer for use on
or in connection with the System ("Modification") or with severable Software or
                                   ------------
other associated items or materials that meet the specifications of such
manufacturer and are to be used on or in connection with such System
("Addition"), provided that any such Modification, Addition or Alteration that
  --------
is unseverable from the System shall not be subject to a lien by any Person
other than Lessor without the prior written consent of Lessor.  Any severable
Modification or Addition ("Alteration") shall be permitted at Lessee's expense
                           ----------
and risk, and any such Alteration shall be removed and the System restored to
its normal, unaltered condition at Lessee's expense prior to its return to
Lessor.  With respect to unseverable Alterations, Lessee shall not undertake any
such Alterations, other than five hundred thousand dollars ($500,000) in the
aggregate of CSO Equipment (as defined in Section 7 below), without the prior
written consent of Lessor.  Restoration will include replacement of any parts
removed in connection with the installation of an Alteration, Modification or
Addition.  Any Equipment or Software installed in connection with warranty or
maintenance service or manufacturer's upgrades of the System provided at no
charge to Lessee shall be the property of Lessor.

7. LEASES OF MODIFICATIONS AND ADDITIONS:  During the Term of this Lease, at
Lessee's request, Lessor may elect to lease to Lessee Modifications and
Additions (as defined above) subject to the terms of this Lease.  Leased
Modifications and Additions are called "CSO Equipment".  While the CSO Equipment
                                        -------------
shall be added to and become a part of this Lease as of the CSO Commencement
Date (as defined below), the CSO Equipment Lease Addendum used to document the
lease of CSO Equipment shall be assigned a separate schedule number.  The lease
for CSO Equipment shall expire at the same time as this Lease.  The applicable
Lease Rate Factor shall be Lessor's then-current Lease Rate Factor for similar
transactions based upon the remaining length of the Term.  The rent for CSO
Equipment shall be determined by Lessor who shall adjust the then-current Rent
and notify Lessee in writing of such adjustment(s), which shall be effective as
of the first day of the Payment Period following the date of the notice (or the
date of the notice if it is the first day of the Payment Period) ("CSO
                                                                   ---
Commencement Date").  Any adjustment notice shall be added to and become a part
-----------------
of this Lease as of the CSO Commencement Date.

CSO Equipment must be ordered by Lessee from a Supplier reasonably acceptable to
Lessor. On the date any CSO Equipment is delivered to Lessee, Supplier shall
pass title to such CSO Equipment (other than any Software which shall be
licensed and/or sublicensed) directly to Lessor. Such title shall be good and
marketable and free and clear of any and all liens and encumbrances of any
nature except that of Lessor. Lessor shall promptly pay to Supplier the
appropriate price of the CSO Equipment after the later of (a) the date the CSO
Equipment is installed and functioning, or (b) Lessor's receipt of a full and
complete listing of the CSO Equipment and the Supplier's invoice. No interest
shall be payable by Lessor to Supplier with respect to such payment. Lessor's
agreement to lease any CSO Equipment is subject to the condition that the Price
payable to Supplier with respect thereto shall not exceed $100,000.00 or be less
than $1,000.00, and is subject to satisfactory credit review by Lessor of
Lessee's credit at the time of the CSO.

8. RETURN OF SYSTEM: (a) At Lessor's request upon the occurrence of an Event of
Default or (b) if Lessee has not exercised its Purchase Option set forth in
Section 9 of this Schedule at the end of the applicable Term, Lessee shall
immediately return the System to Lessor.  Lessee shall, at its own risk and
expense, properly remove, disassemble and pack it for shipment, load it on board
a carrier acceptable to Lessor, and ship the same to a destination in the
continental United States specified by Lessor, freight and insurance prepaid.
The returned System shall be in the same condition and operating order as
existed when received, ordinary wear and tear excepted.  If Lessee does not
return the System to Lessor when required, Lessee shall pay to Lessor an amount
equal to the then-current Rent prorated on a daily basis for each day from and
including the termination or expiration date of the Lease through and including
the day Lessor receives the
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System. Lessee shall pay to Lessor any amount reasonably necessary to place the
System in good repair, condition and working order, ordinary wear and tear
excepted.

9.  PURCHASE OPTION:  At the expiration of the Term, if Lessee has performed all
terms and conditions of the Lease, except the return of the System pursuant to
Section 9 herein, Lessee shall have the right to purchase Lessor's interest in
all, but not less than all, of the Equipment and all leased Modifications and to
receive an assignment of all, but not less than all, non-exclusive sublicenses
to use the Software and Additions, if any, for the Purchase Option Price (as
defined below) subject to the following terms and conditions ("Purchase
Option").
------

Lessee shall provide written notice to Lessor not less than one hundred twenty
(120) days prior to such purchase that Lessee has elected to exercise its
Purchase Option. In any event, upon Lessee's exercise of its Purchase Option,
Lessee shall purchase the Equipment and all leased Modifications and obtain a
non-exclusive sublicense to use the associated Software and Additions AS-IS,
WHERE-IS, WITH ALL FAULTS AND SUBJECT TO THE SAME DISCLAIMERS OF WARRANTIES AND
LIMITATION OF DAMAGES AS SET FORTH IN THE LEASE. Lessee also shall be
responsible for the payment of any sales tax or other fees in connection with
Lessee's exercise of this Purchase Option. The Purchase Option Price (including
sales taxes or other fees) shall be due and payable to Lessor by Lessee on or
before the expiration of the applicable Term.

Upon satisfaction by Lessee of the purchase conditions, Lessor's sole and
exclusive obligations under this Purchase Option shall be to deliver to Lessee
such title to such Equipment and leased Modifications such as Lessor received
from the Supplier, and to assign to Lessee a non-exclusive sublicense, as
described in the Supplier Agreement, to use the associated Software and
Additions, free and clear of all liens, encumbrances and rights of others
arising solely out of or created by Lessor's actions. Lessor's assignment of the
sublicense is limited to such sublicense as Lessor can assign without incurring
further cost and is subject to all applicable terms and conditions of the
license and/or sublicense set forth in the Supplier Agreement.

The Purchase Option Price shall be one dollar ($1.00), exercised pursuant to
Section 6(a) of the Agreement.

10. NOTICES:  Notices, demands and other communications shall be in writing and
shall be sent by hand delivery, certified mail (return receipt requested), or
overnight courier service, or facsimile transmission (effective upon
transmission) with a copy sent by one of the foregoing methods.  Notices shall
be sent to Lessee at the address or facsimile number stated in the Agreement and
to Lessor at 10 Riverview Drive, Danbury, CT 06810, Attention: Portfolio
Manager, or facsimile no. (203) 749-4530.  Notices shall be effective upon the
earlier of actual receipt or four days after the mailing date.  Either party may
substitute another address by at least 20 days' prior written notice.

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A complete description of the System is set forth on the Equipment and Software
Listing attached hereto and made a part hereof.
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NTFC CAPITAL CORPORATION,                  ____________________________________
as Lessor                                  as Lessee

By ______________________________          By _________________________________
      Authorized Representative                   Authorized Representative

Print Name                                 Print Name
Title ______________ Date________          Title _______________  Date ________

                     SIGNATURE PAGE TO EQUIPMENT SCHEDULE

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                                                                 Exhibit 10.47.3

                                    GUARANTY

                  This GUARANTY (together with all amendments, if any, from time
to time hereto, this "GUARANTY"), dated as of December 29, 2000, is made by and
between INTERSTATE FIBERNET, INC., a Delaware corporation ("GUARANTOR") and NTFC
CAPITAL CORPORATION, a Delaware corporation ("LESSOR").

                              W I T N E S S E T H:

                  WHEREAS, pursuant to that certain Master Lease Agreement dated
as of the date hereof by and between ITC/\DeltaCom Communications, Inc., an
Alabama corporation ("LESSEE") and Lessor, (as from time to time amended,
restated, supplemented or otherwise modified, the "LEASE AGREEMENT"), Lessor has
agreed to purchase and lease to Lessee certain telecommunications optical and
switching equipment;

                  WHEREAS, Guarantor will derive direct and indirect economic
benefits from the purchase and lease of certain telecommunications optical and
switching equipment and other financial accommodations provided to Lessee
pursuant to the Lease Agreement; and

                  WHEREAS, in order to induce Lessor to enter into the Lease
Agreement and the other Lease Documents and to induce Lessor to purchase and
lease certain telecommunications optical and switching equipment as provided for
in the Lease Agreement, Guarantor has agreed to guarantee payment of Lessee's
obligations thereunder;

                  NOW, THEREFORE, in consideration of the premises and the
covenants hereinafter contained, it is agreed as follows:

         1.       DEFINITIONS. Capitalized terms used herein (including terms
used in the Recitals) shall have the meanings assigned to them in the Lease
Agreement or in the DEFINITIONS ANNEX thereto, unless otherwise defined herein.

         References to this "Guaranty" shall mean this Guaranty, including all
amendments, modifications and supplements and any annexes, exhibits and
schedules to any of the foregoing, and shall refer to this Guaranty as the same
may be in effect at the time such reference becomes operative.

         2.       THE GUARANTY.

                2.1    GUARANTY OF GUARANTEED OBLIGATIONS OF BORROWER. Guarantor
hereby unconditionally guarantees to Lessor, and its successor, Affiliate and
assign, the prompt payment and performance of the obligations of Lessee under
the Lease Agreement (hereinafter the "GUARANTEED OBLIGATIONS"). Guarantor agrees
that this Guaranty is a
<PAGE>

guaranty of payment and performance and not of collection, and that their
obligations under this Guaranty shall be primary, absolute and unconditional,
irrespective of, and unaffected by:

               (a)  the genuineness, validity, regularity, enforceability or any
         future amendment of, or change in this Guaranty or any other Lease
         Document;

               (b)  the absence of any action to enforce this Guaranty or any
         other Lease Document or the waiver or consent by Lessor with respect to
         any of the provisions thereof;

               (c)  the existence, value or condition of, or failure to perfect
         its Lien against, any System for the Guaranteed Obligations or any
         action, or the absence of any action, by Lessor in respect thereof
         (including, without limitation, the release of any such security);

               (d)  the insolvency of Lessee or any Affiliate thereof; or

               (e)  any other action or circumstances which might otherwise
         constitute a legal or equitable discharge or defense of a surety or
         guarantor,

it being agreed by Guarantor that its obligations under this Guaranty shall not
be discharged until the expiration of the Term (the "TERMINATION DATE").
Guarantor shall be regarded, and shall be in the same position, as principal
lessee with respect to the Guaranteed Obligations. Guarantor agrees that any
notice or directive given at any time to Lessor which is inconsistent with the
waiver in the immediately preceding sentence shall be null and void and may be
ignored by Lessor, and, in addition, may not be pleaded or introduced as
evidence in any litigation relating to this Guaranty for the reason that such
pleading or introduction would be at variance with the written terms of this
Guaranty, unless Lessor has specifically agreed otherwise in writing. It is
agreed between Guarantor and Lessor that the foregoing waivers are of the
essence of the transaction contemplated by the Lease Documents and that, but for
this Guaranty and such waivers, Lessor would decline to enter into the Lease
Agreement.

                2.2    DEMAND BY LESSOR. In addition to the terms of the
Guaranty set forth in SECTION 2.1 hereof, and in no manner imposing any
limitation on such terms, it is expressly understood and agreed that, if, at any
time, the outstanding principal amount of the Guaranteed Obligations under the
Lease Agreement (including all accrued interest thereon) is declared to be
immediately due and payable, then Guarantor shall, without demand, pay to the
holders of the Guaranteed Obligations the entire outstanding Guaranteed
Obligations due and owing to Lessor. Payment by Guarantor shall be made to
Lessor in immediately available Federal funds to an account designated by Lessor
or at the address set forth in the Lease Agreement for the giving of notice to
Lessor or at any other address that may be specified in writing from time to
time by Lessor, and shall be credited and applied to the Guaranteed Obligations.

                                       2
<PAGE>

                2.3    ENFORCEMENT OF GUARANTY. In no event shall Lessor have
any obligation (although it is entitled, at its option) to proceed against
Lessee before seeking satisfaction from Guarantor, and Lessor may proceed, prior
or subsequent to, or simultaneously with, the enforcement of Lessor's rights
hereunder, to exercise any right or remedy which it may have against any System.

                2.4    WAIVER. In addition to the waivers contained in SECTION
2.1 hereof, Guarantor waives, and agrees that it shall not at any time insist
upon, plead or in any manner whatever claim or take the benefit or advantage of,
any appraisal, valuation, stay, extension, marshaling of assets or redemption
laws, or exemption, whether now or at any time hereafter in force, which may
delay, prevent or otherwise affect the performance by Guarantor of its
Guaranteed Obligations under, or the enforcement by Lessor of, this Guaranty.
Guarantor hereby waives diligence, presentment and demand (whether for
non-payment or protest or of acceptance, maturity, extension of time, change in
nature or form of the Guaranteed Obligations, acceptance of further security,
release of further security, composition or agreement arrived at as to the
amount of, or the terms of, the Guaranteed Obligations, notice of adverse change
in Lessee's financial condition or any other fact which might increase the risk
to Guarantor) with respect to any of the Guaranteed Obligations or all other
demands whatsoever and waive the benefit of all provisions of law which are or
might be in conflict with the terms of this Guaranty. Guarantor represents,
warrants and agrees that, as of the date of this Guaranty, its obligations under
this Guaranty are not subject to any offsets or defenses against Lessor.
Guarantor further agrees that its obligations under this Guaranty shall not be
subject to any counterclaims, offsets or defenses against Lessor which may arise
in the future.

                2.5    BENEFIT OF GUARANTY. The provisions of this Guaranty are
for the benefit of Lessor and its successor, Affiliate and assign, and nothing
herein contained shall impair, as between Lessee and Lessor, the obligations of
Lessee under the Lease Documents. In the event all or any part of the Guaranteed
Obligations are transferred, indorsed or assigned by Lessor to any Person or
Persons, any reference to "Lessor" herein shall be deemed to refer equally to
such Person or Persons.

                2.6    MODIFICATION OF GUARANTEED OBLIGATIONS, ETC. Guarantor
hereby acknowledges and agrees that Lessor may at any time or from time to time,
with or without the consent of, or notice to, Guarantor:

                       (a)  change or extend the manner, place or terms of
                payment of, or renew or alter all or any portion of, the
                Guaranteed Obligations;

                       (b)  take any action under or in respect of the Lease
                Documents in the exercise of any remedy, power or privilege
                contained therein or available to it at law, equity or
                otherwise, or waive or refrain from exercising any such
                remedies, powers or privileges;

                                       3
<PAGE>

                       (c)  amend or modify, in any manner whatsoever, the Lease
                Documents;

                       (d)  extend or waive the time for Lessee's performance
                of, or compliance with, any term, covenant or agreement on its
                part to be performed or observed under the Lease Documents, or
                waive such performance or compliance or consent to a failure of,
                or departure from, such performance or compliance;

                       (e)  release anyone who may be liable in any manner for
                the payment of any amounts owed by Guarantor or Lessee to
                Lessor;

                       (f)  apply any sums by whomever paid or however realized
                to any amounts owing by Guarantor or Lessee to Lessor in such
                manner as Lessor shall determine in its discretion;

and Lessor shall not incur any liability to Guarantor as a result thereof, and
no such action shall impair or release the Guaranteed Obligations of Guarantor
under this Guaranty.

                2.7    REINSTATEMENT. This Guaranty shall remain in full force
and effect and continue to be effective should any petition be filed by or
against Lessee or Guarantor for liquidation or reorganization, should Lessee or
Guarantor become insolvent or make an assignment for the benefit of creditors or
should a receiver or trustee be appointed for all or any significant part of
such Lessee's or Guarantor's assets, and shall continue to be effective or be
reinstated, as the case may be, if at any time payment and performance of the
Guaranteed Obligations, or any part thereof, is, pursuant to applicable law,
rescinded or reduced in amount, or must otherwise be restored or returned by
Lessor, whether as a "voidable preference", "fraudulent conveyance", or
otherwise, all as though such payment or performance had not been made. In the
event that any payment, or any part thereof, is rescinded, reduced, restored or
returned, the Guaranteed Obligations shall be reinstated and deemed reduced only
by such amount paid and not so rescinded, reduced, restored or returned.

                2.8    DEFERRAL OF SUBROGATION, ETC. Notwithstanding anything to
the contrary in this Guaranty, or in any other Lease Document, Guarantor hereby:

                       (a)  expressly and irrevocably waives, on behalf of
                itself and its successors and assigns (including any surety)
                until the Termination Date, any and all rights at law or in
                equity to subrogation, to reimbursement, to exoneration, to
                contribution, to indemnification, to set off or to any other
                rights that could accrue to a surety against a principal, to a
                guarantor against a principal, to a guarantor against a maker or
                obligor, to an accommodation party against the party
                accommodated, to a holder or transferee against a maker, or to
                the holder of any claim against any Person, and which

                                       4
<PAGE>

                Guarantor may have or hereafter acquire against Lessee in
                connection with or as a result of Guarantor's execution,
                delivery and/or performance of this Guaranty, or any other
                documents to which Guarantor is a party or otherwise; and

                       (b)  acknowledges and agrees (i) that this waiver is
                intended to benefit Lessor and shall not limit or otherwise
                effect Guarantor's liability hereunder or the enforceability of
                this Guaranty, and (ii) that Lessor and its successors and
                assigns are intended third party beneficiaries of the waivers
                and agreements set forth in this SECTION 2.8 and their rights
                under this SECTION 2.8 shall survive payment in full of the
                Guaranteed Obligations.

                2.9    ELECTION OF REMEDIES. If Lessor may, under applicable
law, proceed to realize benefits under any of the Lease Documents giving Lessor
a Lien upon any System, either by judicial foreclosure or by non-judicial sale
or enforcement, Lessor may, at its sole option, determine which of such remedies
or rights it may pursue without affecting any of such rights and remedies under
this Guaranty. If, in the exercise of any of its rights and remedies, Lessor
shall forfeit any of its rights or remedies, including its right to enter a
deficiency judgment against Lessee, whether because of any applicable laws
pertaining to "election of remedies" or the like, Guarantor hereby consents to
such action by Lessor and waive any claim based upon such action, even if such
action by Lessor shall result in a full or partial loss of any rights of
subrogation which Guarantor might otherwise have had but for such action by
Lessor. Any election of remedies which results in the denial or impairment of
the right of Lessor to seek a deficiency judgment against Lessee shall not
impair Guarantor's obligation to pay the full amount of the Guaranteed
Obligations. In the event Lessor shall bid at any foreclosure or trustee's sale
or at any private sale permitted by law or the Lease Documents, Lessor may bid
all or less than the amount of the Guaranteed Obligations and the amount of such
bid need not be paid by Lessor but shall be credited against the Guaranteed
Obligations. The amount of the successful bid at any such sale shall be
conclusively deemed to be the fair market value of the collateral and the
difference between such bid amount and the remaining balance of the Guaranteed
Obligations shall be conclusively deemed to be the amount of the Guaranteed
Obligations guaranteed under this Guaranty, notwithstanding that any present or
future law or court decision or ruling may have the effect of reducing the
amount of any deficiency claim to which Lessor might otherwise be entitled but
for such bidding at any such sale.

                2.10   FUNDS TRANSFERS. If Guarantor shall engage in any
transaction as a result of which Lessee is required to make a mandatory
prepayment with respect to the Guaranteed Obligations under the terms of the
Lease Agreement (including any issuance or sale of Guarantor's Stock or any sale
of its assets), Guarantor shall distribute to, or make a contribution to the
capital of, Lessee an amount equal to the mandatory prepayment required under
the terms of the Lease Agreement.

                                       5
<PAGE>

         3.       DELIVERIES. In a form satisfactory to Lessor, Guarantor shall
deliver to Lessor, concurrently with the execution of this Guaranty and the
Lease Agreement, the Lease Documents and other instruments, certificates and
documents as are required to be delivered by Guarantor to Lessor under the Lease
Agreement.

         4.       REPRESENTATIONS AND WARRANTIES. To induce Lessor to purchase
and lease certain telecommunications optical and switching equipment under the
Lease Agreement, Guarantor makes the representations and warranties as to
Guarantor contained in the Lease Agreement, each of which is incorporated herein
by reference, to Lessor, each and all of which shall survive the execution and
delivery of this Guaranty.

         5.       FURTHER ASSURANCES. Guarantor agrees, upon the written request
of Lessor, to execute and deliver to Lessor, from time to time, any additional
instruments or documents reasonably considered necessary by Lessor to cause this
Guaranty to be, become or remain valid and effective in accordance with its
terms.

         6.       PAYMENTS FREE AND CLEAR OF TAXES. All payments required to be
made by Guarantor hereunder shall be made to Lessor free and clear of, and
without deduction for, any and all present and future taxes. If Guarantor shall
be required by law to deduct any taxes from or in respect of any sum payable
hereunder, (a) the sum payable shall be increased as much as shall be necessary
so that after making all required deductions (including deductions applicable to
additional sums payable under this SECTION 6) Lessor, as applicable, receive an
amount equal to the sum they would have received had no such deductions been
made, (b) Guarantor shall make such deductions, and (c) Guarantor shall pay the
full amount deducted to the relevant taxing or other authority in accordance
with applicable law. Within thirty (30) days after the date of any payment of
taxes, Guarantor shall furnish to Lessor the original or a certified copy of a
receipt evidencing payment thereof. Guarantor shall indemnify and, within ten
(10) days of demand therefor, pay Lessor for the full amount of taxes (including
any taxes imposed by any jurisdiction on amounts payable under this SECTION 6)
paid by Lessor, as appropriate, and any liability (including penalties, interest
and expenses) arising therefrom or with respect thereto, whether or not such
taxes were correctly or legally asserted.

         7.     Other Terms.

                7.1    ENTIRE AGREEMENT. This Guaranty, together with the other
Lease Documents, constitutes the entire agreement between the parties with
respect to the subject matter hereof and supersedes all prior agreements
relating to a guaranty of the Leases and advances under the Lease Documents
and/or the Guaranteed Obligations.

                7.2    HEADINGS. The headings in this Guaranty are for
convenience of reference only and are not part of the substance of this
Guaranty.

                7.3    SEVERABILITY. Whenever possible, each provision of this
Guaranty shall be interpreted in such a manner to be effective and valid under
applicable law, but if

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<PAGE>

any provision of this Guaranty shall be prohibited by or invalid under
applicable law, such provision shall be ineffective to the extent of such
prohibition or invalidity, without invalidating the remainder of such provision
or the remaining provisions of this Guaranty.

                7.4    NOTICES. Whenever it is provided herein that any notice,
demand, request, consent, approval, declaration or other communication shall or
may be given to or served upon any of the parties by any other party, or
whenever any of the parties desires to give or serve upon another any such
communication with respect to this Guaranty, each such notice, demand, request,
consent, approval, declaration or other communication shall be in writing and
shall be addressed to the party to be notified at the address set forth in the
Lease Agreement for the giving of notice.

                7.5    SUCCESSORS AND ASSIGNS. This Guaranty and all obligations
of Guarantor hereunder shall be binding upon the successors and assigns of
Guarantor (including a debtor-in-possession on behalf of Guarantor) and shall,
together with the rights and remedies of Lessor, for the benefit of Lessor,
hereunder, inure to the benefit of Lessor, all future holders of any instrument
evidencing any of the Obligations and their respective successors and assigns.
No sales of participations, other sales, assignments, transfers or other
dispositions of any agreement governing or instrument evidencing the Guaranteed
Obligations or any portion thereof or interest therein shall in any manner
affect the rights of Lessor hereunder. Guarantor may not assign, sell,
hypothecate or otherwise transfer any interest in or obligation under this
Guaranty.

                7.6    NO WAIVER; CUMULATIVE REMEDIES; AMENDMENTS. Lessor shall
by any act, delay, omission or otherwise be deemed to have waived any of its
rights or remedies hereunder, and no waiver shall be valid unless in writing,
signed by Lessor and then only to the extent therein set forth. A waiver by
Lessor of any right or remedy hereunder on any one occasion shall not be
construed as a bar to any right or remedy which Lessor would otherwise have had
on any future occasion. No failure to exercise nor any delay in exercising on
the part of Lessor, any right, power or privilege hereunder, shall operate as a
waiver thereof, nor shall any single or partial exercise of any right, power or
privilege hereunder preclude any other or future exercise thereof or the
exercise of any other right, power or privilege. The rights and remedies
hereunder provided are cumulative and may be exercised singly or concurrently,
and are not exclusive of any rights and remedies provided by law. None of the
terms or provisions of this Guaranty may be waived, altered, modified,
supplemented or amended except by an instrument in writing, duly executed by
Lessor.

                7.7    TERMINATION. This Guaranty is a continuing guaranty and
shall remain in full force and effect until the Termination Date. Upon payment
and performance in full of the Guaranteed Obligations, Lessor shall deliver to
Guarantor such documents as Guarantor may reasonably request to evidence such
termination.

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<PAGE>

                7.8    COUNTERPARTS. This Guaranty may be executed in any number
of separate counterparts, each of which shall collectively and separately
constitute one agreement.

                7.9    GOVERNING LAW AND WAIVER OF JURY TRIAL. This Guaranty
shall be governed by the laws of the State of New York. Both parties waive all
rights to a jury trial to the extent permitted by law. Guarantor hereby submits
for the benefit of Lessor to the Jurisdiction of the state and federal courts in
the State of New York in connection with all action and proceeding arising under
or in connection with any of this Guaranty.

            [The remainder of this page is intentionally left blank.]

                                       8
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Guaranty as of the date first above written.

                                          INTERSTATE FIBERNET, INC.

                                          By: /s/ Doug Shumate
                                             -----------------------------------
                                             Name:   Doug Shumate
                                             Title:  SNR VP CFO

                           SIGNATURE PAGE TO GUARANTY

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