EXHIBIT 10.9

*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

                        DISTRIBUTION AGREEMENT BETWEEN

                          TECH DATA  CORPORATION AND

                               TRANCELL SYSTEMS

*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
                            DISTRIBUTION AGREEMENT

     THIS AGREEMENT, dated as of this _16__ day of _December___________ 19_96_
(the "Effective Date"), is between TECH DATA CORPORATION, a Florida corporation
("Tech Data"), with its principal corporate address at 5350 Tech Data Drive,
Clearwater, Florida 34620 and TRANCELL SYSTEMS, a California corporation
("Trancell"), with its principal corporate address at 3180 De La Cruz Blvd.,
Suite 200, Santa Clara, California 95054.

                                   RECITALS

     A.  Tech Data desires to purchase certain Products from Trancell from time
to time and Trancell desires to sell certain Products to Tech Data in accordance
with the terms and provisions set forth in this Agreement.

     B.  Trancell desires to appoint Tech Data as its non-exclusive distributor
to market Products within the territory defined below and Tech Data accepts such
appointment on the terms set forth in this Agreement.

     NOW, THEREFORE, in consideration of the Recitals, the mutual covenants
contained in this Agreement and other good and valuable consideration, Tech Data
and Trancell hereby agree as follows:

           ARTICLE I.  DEFINITIONS, APPOINTMENT AND TERM OF AGREEMENT
           ----------------------------------------------------------

1.1  Definitions.  The following definitions shall apply to this Agreement.
     -----------                                                           

          (a) "Customers" of Tech Data shall include dealers, resellers, value
          added resellers, mail order resellers and other entities that acquire
          the Products from Tech Data.

          (b) "DOA" shall mean Product, or any portion thereof, which fails to
          operate properly on initial "bum in", boot, or use, as applicable.

          (c) "Documentation" shall mean user manuals, training materials,
          product descriptions and specifications, brochures, technical manuals,
          license agreements, supporting materials and other printed information
          relating to the Products, whether distributed in print, electronic, or
          video format.

          (d) "End Users" shall mean the final retail purchasers or licensees
          who have acquired Products for their own use and not for resale,
          remarketing or redistribution.

          (e) "Non-Saleable Products" shall mean any Product that has been
          returned to Tech Data by its Customers that has had the outside shrink
          wrapping or other packaging seal broken or any components of the
          original package are missing, damaged or modified.

                                      -2-

*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
          (f) "Products" shall mean, individually or collectively as
          appropriate, hardware, licensed software, Documentation, supplies,
          accessories, and other commodities related to any of the foregoing
          produced by Trancell.

          (g) "Services" means any warranty, maintenance, advertising, marketing
          or technical support and any other services performed or to be
          performed by Trancell.

          (h) "Territory" shall mean worldwide.

1.2  Term of Agreement.  The term of this Agreement shall commence on the
     -----------------                                                   
     Effective Date and, unless terminated by either party as set forth in this
     Agreement, shall remain in full force and effect for a term of one (1)
     year, and will be automatically renewed for successive one (1) year terms
     unless prior written notification of termination is delivered by one of the
     parties in accordance with the notice provision of this Agreement.

1.3  Appointment as Distributor.  Trancell hereby grants to Tech Data the non-
     --------------------------                                              
     exclusive right to distribute Products during the term of this Agreement
     within the Territory.  This Agreement does not grant Trancell or Tech Data
     an exclusive right to purchase or sell Products and shall not prevent
     either party from developing or acquiring other vendors or customers or
     competing Products.  Tech Data will use commercially reasonable efforts to
     promote sales of the Products.  Trancell agrees that Tech Data may obtain
     Products in accordance with this Agreement for the benefit of subsidiaries
     of Tech Data.  Wholly owned subsidiaries of Tech Data shall be entitled to
     order Products directly from Trancell pursuant to this Agreement.

                         ARTICLE II.  PURCHASE ORDERS
                         ----------------------------

2.1  Issuance and Acceptance of Purchase Order.
     ----------------------------------------- 

          (a) This Agreement shall not obligate Tech Data to purchase any
          Products or services except as specifically set forth in a written
          purchase order.

          (b) Tech Data may issue to Trancell one or more purchase orders
          identifying the Products Tech Data desires to purchase from Trancell.
          The terms and provisions of this Agreement shall govern all purchase
          orders except that purchase order may include other terms and
          provisions which are consistent with the terms and provisions of this
          Agreement, or which are mutually agreed to by Tech Data and Trancell.
          Purchase orders will be placed by Tech Data by fax or electronically
          transferred.

          (c) A purchase order shall be deemed accepted by Trancell unless
          Trancell notifies Tech Data in writing within five (5) days after
          receiving the purchase order that Trancell does not accept the
          purchase order.

                                      -3-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
2.2  Purchase Order Alterations or Cancellations.  Prior to shipment of
     -------------------------------------------                       
     Products, Trancell shall accept alterations or cancellation to a purchase
     order in order to:  (i) change a location for delivery, (ii) modify the
     quantity or type of Products to be delivered or (iii) correct typographical
     or clerical errors.

2.3  Evaluation or Demonstration Purchase Orders.  Trancell shall provide to
     -------------------------------------------                            
     Tech Data a reasonable number of demonstration or evaluation products at no
     charge.

2.4  Product Shortages.  If for any reason Trancell's production is not on
     -----------------                                                    
     schedule, Trancell may allocate available inventory to Tech Data and make
     shipments based upon a fair and reasonable percentage allocation among
     Trancell's customers.  Such allocations shall not impact the calculation of
     performance rebates.

                          ARTICLE III.  DELIVERY AND
                          --------------------------
                            ACCEPTANCE OF PRODUCTS
                            ----------------------

3.1  Acceptance of Products.  Tech Data shall, after a reasonable time to
     ----------------------                                              
     inspect each shipment, accept Product (the "Acceptance Date") if the
     Products and all necessary documentation delivered to Tech Data are in
     accordance with the purchase order.  Any Products not ordered or not
     otherwise in accordance with the purchase order, (e.g. mis-shipments,
     overshipments) may be returned to Trancell at Trancell's expense (including
     without limitation costs of shipment or storage).  Trancell shall refund to
     Tech Data within ten (10) business days following notice thereof, all
     monies paid in respect to such rejected Products.  Tech Data shall not be
     required to accept partial shipment unless Tech Data agrees prior to
     shipment.

3.2  Title and Risk of Loss.  FOB Trancell Shipping Point title and risk of loss
     ----------------------                                                     
     or damage to Products shall pass to Tech Data at the time that the Products
     are shipped by Trancell (i.e., delivered to Common Carrier).

3.3  Transportation of Products.  Trancell shall deliver the Products clearly
     --------------------------                                              
     marked on the Product package with serial number, product description and
     machine readable bar code (employing UPC or other industry standard bar
     code) to Tech Data at the location shown and on the delivery date set forth
     in the applicable purchase order or as otherwise agreed upon by the
     parties.  Charges for transportation of the Products shall be paid by
     Trancell.  Trancell shall use only those common carriers preapproved by
     Tech Data or listed in Tech Data's published routing instructions, unless
     prior written approval of Tech Data is received.


                             ARTICLE IV.  RETURNS
                             --------------------

4.1  Inventory Adjustment.  Trancell agrees to accept return of overstocked
     --------------------                                                  
     Products as determined by Tech Data, of not more than [ * * * ].  Shipments
     of Product being returned shall be new, unused and in sealed cartons.
     Vendor shall credit Tech Data's account in the amount of the price paid by
     Tech Data therefor less any price protection credits but not including any
     early payment or prepayment discounts (the "Return 

                                      -4-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
     Credit"). Tech Data will supply Trancell with an offsetting purchase order
     of equal or greater value.

4.2  Defective Products/Dead on Arrival (DOA).  Tech Data shall have the right
     ----------------------------------------                                 
     to return to Trancell for credit any DOA Product that is returned to Tech
     Data within sixty (60) days after the initial delivery date to the End User
     and any Product that fails to perform in accordance with Trancell's product
     warranty, for credit.  Trancell shall bear all costs of shipping and risk
     of loss of DOA and in-warranty Products to Trancell's location and back to
     Tech Data or Tech Data's Customer.  If Trancell delivers defective and DOA
     Product of more than [* * * ], Trancell shall [* * * ].

4.3  Obsolete or Outdated Product.  Tech Data shall have the right to return for
     ----------------------------                                               
     full credit, without limitation as to the dollar amount, all Products that
     become obsolete or Trancell discontinues or are removed from Trancell's
     current price list; provided Tech Data returns such Products within ninety
     (90) days after Tech Data receives written notice from Trancell that such
     Products are obsolete, superseded by a newer version, discontinued or are
     removed from Trancell price list.

4.4  Miscellaneous Returns.
     --------------------- 

     (a) Bad Box.  Tech Data shall return for credit Products which have boxes
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          that are or become damaged.  Tech Data will place an offsetting
          purchase order for equal or greater value.

     (b) Non-Saleable.  Tech Data may return Non-Saleable Product to Trancell
         ------------                                                        
          for credit.  Tech Data will request a Return Material Authorization
          Number (RMA) for this return.  Tech Data will place an offsetting
          purchase order for equal or greater value.

                         ARTICLE V.  PAYMENT TO VENDOR
                         -----------------------------

5.1  Charges, Prices and Fees for Products.  Charges, prices, quantities and
     -------------------------------------                                  
     discounts, if any, for Products shall be determined as set forth in
     Schedule 5.1, or as otherwise mutually agreed upon by the parties in
     writing, and may be confirmed at the time of order.  In no event shall
     charges exceed Trancell's then current established charges.  Tech Data
     shall not be bound by any of Trancell's suggested prices.

5.2  Payment.  Except as otherwise set forth in this Agreement, any undisputed
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     sum due to Trancell pursuant to this Agreement shall be payable as follows:
     [* * * ], net forty-five (45) days after the invoice receipt.  Trancell
     shall invoice Tech Data no earlier than the applicable shipping date for
     the Products covered by such invoice.  Products which are shipped from
     outside the United States, shall not be invoiced to Tech Data prior to the
     Products being placed on a common carrier within the United States for
     final delivery to Tech Data.  The due date for payment shall be extended
     during any time the parties have a bona fide dispute concerning such
     payment.  Notwithstanding anything herein to the contrary, for the initial
     order only, payment shall be made by Tech Data upon resale of 

                                      -5-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
     the Products and Tech Data may return any of the Products delivered under
     the initial order for credit.

5.3  Invoices.  A "correct" invoice shall contain (i) Trancell's name and
     --------                                                            
     invoice date, (ii) a reference to the purchase order or other authorizing
     document, (iii) separate descriptions, unit prices and quantities of the
     Products actually delivered, (iv) credits (if applicable), (v) shipping
     charges (if applicable) (vi) name (where applicable), title, phone number
     and complete mailing address as to where payment is to be sent, and (vii)
     other substantiating documentation or information as may reasonably be
     required by Tech Data from time to time.

5.4  Taxes.  Tech Data shall be responsible for franchise taxes, sales or use
     -----                                                                   
     taxes or shall provide Trancell with an appropriate exemption certificate.
     Trancell shall be responsible for all other taxes, assessments, permits and
     fees, however designated which are levied upon this Agreement or the
     Products, except for taxes based upon Tech Data's income.  No taxes of any
     type shall be added to invoices without the prior written approval of Tech
     Data.

5.5  Fair Pricing and Terms.  Trancell represents that the prices charged and
     ----------------------                                                  
     the terms offered to Tech Data are and will be at least as beneficial to
     Tech Data as those charged or offered by Trancell to any of its other
     distributors or customers in the channel.  If Trancell offers price
     discounts, payment discounts, promotional discounts or other special prices
     to its other distributors or customers in the channel, Tech Data shall also
     be entitled to participate and receive notice of the same no later than
     other distributors or customers.

5.6  Price Adjustments:
     ----------------- 

          (a) Price Increases.  Trancell shall have the right to increase prices
              ---------------                                                   
          from time to time, upon written notice to Tech Data not less than
          thirty (30) days prior to the effective date of such increase.  All
          orders placed prior to the effective date of the increase, for
          shipment within thirty (30) days after the effective date, shall be
          invoiced by Trancell at the lower price.

          (b) Price Decreases.  Trancell shall have the right to decrease prices
              ---------------                                                   
          from time to time, upon written notice to Tech Data not less than days
          prior to the effective date of such decrease.  Trancell shall grant to
          Tech Data, its subsidiaries and Tech Data's Customers a price credit
          for the full amount of any Trancell price decrease on all Products on
          order, in transit and in their inventory on the effective date of such
          price decrease.  Tech Data and its Customers shall, within sixty (60)
          days after receiving written notice of the effective date of the price
          decrease, provide a list of all Products for which they claim a
          credit.  Trancell shall have the right to a reasonable audit at
          Trancell's expense.

5.7  Advertising.
     ----------- 

                                      -6-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
          (a) Cooperative Advertising.  Trancell offers a [* * * ] and may offer
              -----------------------                                           
          additional advertising credits, or other promotional programs or
          incentives to Tech Data as it offers to its other distributors or
          customers.  Tech Data shall have the right, at Tech Data's option, to
          participate in such programs.  Attached as Schedule 5.7 is a copy of
          Trancell's co-op policy.

          (b) Advertising Support.  Trancell shall provide at no charge to Tech
              -------------------                                              
          Data and the Customers of Tech Data, marketing support, and
          advertising materials in connection with the resale of Products as are
          currently offered or that may be offered by Trancell.  Tech Data
          reserves the right to charge Trancell for advertising, marketing and
          training services.

          (c) Prior to receipt of the initial purchase order, Trancell shall pay
          Tech Data for all launch funds expenditures that Trancell and Tech
          Data have agreed to related to the Products.

                           ARTICLE VI.  WARRANTIES,
                           -------------------------
                  INDEMNITIES AND OTHER OBLIGATIONS OF VENDOR
                  -------------------------------------------

6.1  Warranty.  Trancell hereby represents and warrants that Trancell has all
     --------                                                                
     right, title, ownership interest and/or marketing rights necessary to
     provide the Products to Tech Data.  Trancell further represents and
     warrants that it has not entered into any agreements or commitments which
     are inconsistent with or in conflict with the rights granted to Tech Data
     in this Agreement; the Products are new and shall be free and clear of all
     liens and encumbrances; Tech Data and its Customers and End Users shall be
     entitled to use the Products without disturbance; the Products have been
     listed with Underwriters' Laboratories or other nationally recognized
     testing laboratory whenever such listing is required; the Products meet all
     FCC requirements; the Products do and will conform to all codes, laws or
     regulations; and the Products conform in all respects to the Product
     warranties.  Trancell agrees that Tech Data shall be entitled to pass
     through to Customers of Tech Data and End Users of the Products all Product
     warranties granted by Trancell.  Tech Data shall have no authority to alter
     or extend any of the warranties of Trancell expressly contained or referred
     to in this Agreement without prior approval of Trancell.  Trancell has made
     express warranties in this Agreement and in Documentation, promotional and
     advertising materials.  EXCEPT AS SET FORTH HEREIN OR THEREIN, TRANCELL
     DISCLAIMS ALL WARRANTIES WITH REGARD TO THE PRODUCTS, INCLUDING WITHOUT
     LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
     PARTICULAR PURPOSE.  THIS SECTION SHALL SURVIVE TERMINATION OR EXPIRATION
     OF THIS AGREEMENT.

6.2  Proprietary Rights Indemnification.  Trancell hereby represents and
     ----------------------------------                                 
     warrants that the Products and the sale and use of the Products do not
     infringe upon any copyright, patent, trade secret or other proprietary or
     intellectual property right of any third party, and that there are no suits
     or proceeding, pending or threatened alleging any such infringement.

                                      -7-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
     Trancell shall indemnify and hold Tech Data, Tech Data's subsidiaries and
     their respective, officers, directors, employees and agents harmless from
     and against any and all actions, claims, losses, damages, liabilities,
     awards, costs and expenses, which they or any of them incur or become
     obligated to pay resulting from or arising out of any breach or claimed
     breach of the foregoing warranty.  Tech Data shall inform Trancell of any
     such suit or proceeding filed against Tech Data and shall have the right,
     but not the obligation, to participate in the defense of any such suit or
     proceeding at Tech Data's expense.  Trancell shall, at its option and
     expense, either (i) procure for Tech Data, its Customers and End Users the
     right to continue to use the Product as set forth in this Agreement, or
     (ii) replace, to the extent Products are available, or modify the Product
     to make its use non-infringing while being capable of performing the same
     function without degradation of performance.  Trancell shall have no
     liability under this Section 6.2 for any infringement based on the use of
     any Product, if the Product is used in a manner or with equipment for which
     it was not reasonably intended.  Trancell's obligations under this Section
     6.2 shall survive termination of this Agreement.

6.3  Indemnification.
     --------------- 

          (a) VENDOR.  Trancell shall be solely responsible for the design,
              ------                                                       
          development, supply, production and performance of the Products.
          Trancell agrees to indemnify and hold Tech Data, its subsidiaries and
          their officers, directors and employees harmless from and against any
          and all claims, damages, costs, expenses (including, but not limited
          to, reasonable attorney's fees and costs) or liabilities that may
          result, in whole or in part, from any warranty or product liability
          claim, or any claim for infringement, or for claims for violation of
          the warranties contained in Sections 6.1 and 6.2 of this Agreement.

          (b) Tech Data.  Tech Data agrees to indemnify and hold Trancell, its
              ---------                                                       
          officers, directors and employees harmless from and against any and
          all claims, damages, costs, expenses (including, but not limited to,
          reasonable attorneys' fees and costs) or liabilities that may result,
          in whole or in part, from Tech Data's gross negligence or willful
          misconduct in the distribution of the Products pursuant to this
          Agreement, or for representations or warranties made by Tech Data
          related to the Products in excess of the warranties of Trancell.

6.4  Insurance.
     --------- 

          (a) The parties shall be responsible for providing Worker's
          Compensation insurance in the statutory amounts required by the
          applicable state laws.

          (b) Without in any way limiting Trancell's indemnification obligation
          as set forth in this Agreement, Trancell  shall maintain Commercial
          General Liability and/or Comprehensive General Liability Insurance in
          such amounts as is reasonable and standard for the industry.  Either
          policy form should contain the following coverages:  Personal and
          Advertising Injury, Broad Form Property 

                                      -8-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
          Damage, Products and Completed Operations, Contractual Liability,
          employees as Insured and Fire Legal Liability.

          (c) Trancell will provide evidence of the existence of insurance
          coverages referred to in this Section 6.4 by certificates of insurance
          which should also provide for at least thirty (30) days notice of
          cancellation, non-renewal or material change of coverage to Tech Data.
          The certificates of insurance shall name Tech Data Corporation as an
          additional insured for the limited purpose of claims arising pursuant
          to this Agreement.

6.5  Limitation of Liability.  NEITHER PARTY SHALL BE LIABLE TO THE OTHER
     -----------------------                                             
     PURSUANT TO THIS AGREEMENT FOR AMOUNTS INDIRECT,  SPECIAL,  INCIDENTAL,
     CONSEQUENTIAL, DAMAGES OF THE OTHER PARTY ARISING FROM THE PERFORMANCE OR
     BREACH OF ANY TERMS OF THIS AGREEMENT.

6.6  ECCN/Export.  Trancell  agrees to provide Tech Data, upon signing this
     -----------                                                           
     Agreement and at any time thereafter that Trancell modifies or adds
     Products distributed or to be distributed by Tech Data, with the Export
     Control Classification Number (ECCN) for each of Trancell's Products, and
     information as to whether or not any of such Products are classified under
     the U.S. Munitions List.

6.7  Financial Statements.  Trancell agrees that for the term of this Agreement,
     --------------------                                                       
     Trancell financial statements annually and semi annually shall provide as
     follows:

          a.  Within one hundred and twenty (120) days after the end of
          Trancell's fiscal year audited financial statements for the fiscal
          year prepared by an independent certified public accountant.

          b.  Within sixty (60) days after the end of the Trancell's second
          fiscal quarter, semi-annual unaudited financial statements, prepared
          by Trancell's authorized representative.

     Such financial statements shall include profit and loss statement, balance
     sheets and such other accounting data as may be requested by Tech Data and
     be acknowledged by the Trancell's authorized representative in writing as
     true and correct.

     In addition, Trancell shall provide other financial information upon
     reasonable request by Tech Data.

6.8  Trancell Reports.  Trancell shall, if requested, render monthly reports to
     ----------------                                                          
     Tech Data setting forth the separate Products, dollars invoiced for each
     Product, and total dollars invoiced to Tech Data for the month, and such
     other information as Tech Data may reasonably request.

                                      -9-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
6.9  Tech Data Reports.  Tech Data shall, render monthly sales out reports on
     -----------------                                                       
     Tech Data's BBS system no later than 15 days after the month end.
     Information provided will include:  month and year sales activity occurred,
     internal product number (assigned by Tech Data), written description, state
     and zip-code of Customers location, unit cost (distributor's cost at
     quantity 1), quantity and extended cost (cost times quantity).  A monthly
     inventory report, will be provided on a paper format once a month.

6.10  Trademark Usage.  Tech Data is hereby authorized to use trademarks and
      ---------------                                                       
     trade names of Trancell and third parties licensing Trancell, if any, used
     in connection with advertising, promoting or distributing the Products.
     Tech Data recognizes Trancell or other third parties may have rights or
     ownership of certain trademarks, trade names and patents associated with
     the Products.  Tech Data will act consistent with such rights, and Tech
     Data shall comply with any reasonable written guidelines when provided by
     Trancell or third parties licensing Trancell related to such trademark or
     trade name usage.  Tech Data will notify Trancell of any infringement of
     which Tech Data has actual knowledge.  Tech Data shall discontinue use of
     Trancell's trademarks or trade names upon termination of this Agreement,
     except as may be necessary to sell or liquidate any Product remaining in
     Tech Data's inventory.

                           ARTICLE VII.  TERMINATION
                           -------------------------

7.1  Termination.
     ----------- 

          (a)  Termination With or Without Cause:  Either party may terminate
               ---------------------------------                             
          this Agreement, without cause, upon giving the other party thirty (30)
          days prior written notice.  In the event that either party materially
          or repeatedly defaults in the performance of any of its duties or
          obligations set forth in this Agreement, and such default is not
          substantially cured within thirty (30) days after written notice is
          given to the defaulting party specifying the default, then the party
          not in default may, by giving written notice thereof to the defaulting
          party, terminate this Agreement or the applicable purchase order
          relating to such default as of the date specified in such notice of
          termination.

          (b)  Termination for Insolvency or Bankruptcy.  Either party may
               ----------------------------------------                   
          immediately terminate this Agreement and any purchase orders by giving
          written notice to the other party in the event of (i) the liquidation
          or insolvency of the other party, (ii) the appointment of a receiver
          or similar officer for the other party, (iii) an assignment by the
          other party for the benefit of all or substantially all of its
          creditors, (iv) entry by the other party into an agreement for the
          composition, extension, or readjustment of all or substantially all of
          its obligations, or (v) the filing of a petition in bankruptcy by or
          against a party under any bankruptcy or debtors' law for its relief or
          reorganization which is not dismissed within ninety (90) days.

7.2  Rights Upon Termination
     -----------------------

                                     -10-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
          (a)  Termination of this Agreement shall not affect Trancell's right
          to be paid for undisputed invoices for Products already shipped and
          accepted by Tech Data or Tech Data's rights to any credits or payments
          owed or accrued to the date of termination.  Tech Data's rights to
          credits upon termination shall include credits against which Tech Data
          would, but for termination, be required under this Agreement to apply
          to future purchases.

          (b)  Trancell shall accept purchase orders from Tech Data for
          additional Products which Tech Data is contractually obligated to
          furnish to its Customers and does not have in its inventory upon the
          termination of this Agreement; provided Tech Data notifies Trancell of
          any and all such transactions in writing within sixty (60) days
          following the termination date.

          (c)  Upon termination of this Agreement, Tech Data shall discontinue
          holding itself out as a distributor of the Products.

7.3  Repurchase of Products Upon Termination or Expiration.  Upon the effective
     -----------------------------------------------------                     
     date of termination or expiration of this Agreement for any reason,
     Trancell agrees to repurchase all Products in Tech Data's inventory or
     which are returned to Tech Data within sixty (60) days following the
     effective date of termination or expiration.  Trancell will repurchase the
     Products at the original purchase price; less any deductions for price
     protection.  The repurchase price shall not be reduced by any deductions or
     offsets for early pay or prepay discounts.  Such returns shall not reduce
     or offset any co-op payments or obligations owed to Tech Data.  Tech Data
     shall submit to Trancell within sixty-five (65) days after the termination
     or expiration date, the quantity of Product that Tech Data will be
     returning to Trancell for repurchase.  Trancell  will issue a Return
     Material Authorization (RMA) to Tech Data for all such Products; provided,
     however, that Trancell shall accept returned Products in accordance with
     this Section absent an RMA if Trancell fails to issue said RMA within five
     (5) business days of Tech Data's request.  Trancell shall credit any
     outstanding balances owed to Tech Data.  If such credit exceeds amounts due
     from Tech Data, Trancell shall remit in the form of a check to Tech Data
     the excess within ten (10) business days of receipt of the Product.
     Customized Products shall not be eligible for repurchase pursuant to this
     Section.

7.4  Survival of Terms.  Termination or expiration of this Agreement for any
     -----------------                                                      
     reason shall not release either party from any liabilities or obligations
     set forth in this Agreement which (i) the parties have expressly agreed
     shall survive any such termination or expiration, or (ii) remain to be
     performed or by their nature would be intended to be applicable following
     any such termination or expiration.  The termination of this Agreement
     shall not affect any of Trancell's warranties, indemnification's or
     obligations relating to returns, co-op advertising payments, credits or any
     other matters set forth in this Agreement that should survive termination
     in order to carry out their intended purpose, all of which shall survive
     the termination of this Agreement.

                         ARTICLE VIII.  MISCELLANEOUS
                         ----------------------------

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*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
8.1  Binding Nature, Assignment, and Subcontracting.  This Agreement shall be
     ----------------------------------------------                          
     binding on the parties and their respective successors and assigns.
     Neither party shall have the power to assign this Agreement without the
     prior written consent of the other party, provided, however, that Tech Data
     shall at all times have the right to assign or transfer this Agreement, in
     whole or in part, without Trancell's prior consent, to a wholly-owned
     subsidiary of Tech Data.

8.2  Counterparts.  This Agreement may be executed in several counterparts, all
     ------------                                                              
     of which taken together shall constitute one single agreement between the
     parties.

8.3  Headings.  The Article and Section headings used in this Agreement are for
     --------                                                                  
     reference and convenience only and shall not affect the interpretation of
     this Agreement.

8.4  Relationship of Parties.  Tech Data is performing pursuant to this
     -----------------------                                           
     Agreement only as an independent contractor.  Nothing set forth in this
     Agreement shall be construed to create the relationship of principal and
     agent between Tech Data and Trancell.  Neither party shall act or represent
     itself, directly or by implication, as an agent of the other party.

8.5  Confidentiality.  Each party acknowledges that in the course of performance
     ---------------                                                            
     of its obligations pursuant to this Agreement, it may obtain certain
     information specifically marked as "confidential" and/or "proprietary".
     Each party hereby agrees that all such information communicated to it by
     the other party, its subsidiaries, or Customers, whether before or after
     the Effective Date, shall be and was received in strict confidence, shall
     be used only for purposes of this Agreement, and shall not be disclosed
     without the prior written consent of the other party, except as may be
     necessary by reason of legal, accounting or regulatory requirements beyond
     either party's reasonable control.  The provisions of this Section shall
     survive the term or termination of this Agreement for any reason for a
     period of one (1) year after termination.

8.6  Arbitration.  Any disputes arising under this Agreement shall be submitted
     -----------                                                               
     to arbitration in accordance with such rules as the parties jointly agree.
     If the parties are unable to agree on arbitration procedures, arbitration
     shall be conducted in Pinellas County, Florida in accordance with the
     Commercial Arbitration Rules of the American Arbitration Association.  Any
     such award shall be final and binding upon both parties.

8.7  Notices.  Wherever one party is required or permitted to give notice to the
     -------                                                                    
     other pursuant to this Agreement, such notice shall be deemed given when
     actually delivered by hand, by telecopier, via overnight courier or when
     mailed by registered or certified mail, return receipt requested, postage
     prepaid, and addressed as follows:



                                               
In the Case of Vendor:                           In the Case of Tech Data:
- ---------------------                            ------------------------
Trancell Systems                                 Tech Data Corporation                      
3180 De La Cruz Blvd., Ste 200                   5350 Tech Data Drive                       
Santa Clara, CA 95054                            Clearwater, FL 34620                       
Attn:  [* * * ]                                  Attn:  Vice President-Marketing Operations 


                                     -12-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
                                                 cc:  Contracts Administration

     Either party may from time to time change its address for notification
     purposes by giving the other party written notice of the new address and
     the date upon which it will become effective.

8.8  Force Majeure.  The term "Force Majeure" shall be defined to include fires
     -------------                                                             
     or other casualties or accidents, acts of God, severe weather conditions,
     strikes or labor disputes, war or other violence, or any law, order,
     proclamation, regulation, ordinance, demand or requirement of any
     governmental agency.

          (a)  A party whose performance is prevented, restricted or interfered
          with by reason of a Force Majeure condition shall be excused from such
          performance to the extent of such Force Majeure condition so long as
          such party provides the other party with prompt written notice
          describing the Force Majeure condition immediately continues
          performance whenever and to the extent such causes are removed.

          (b)  If, due to a Force Majeure condition, the scheduled time of
          delivery or performance is or will be delayed for more than ninety
          (90) days after the scheduled date, the party not relying upon the
          Force Majeure condition may terminate, without liability to the other
          party, any purchase order or portion thereof covering the delayed
          Products.

8.9  Return Material Authorization Numbers.  Trancell is required to issue a
     -------------------------------------                                  
     Return Material Authorization Number (RMA) to Tech Data within two (2)
     business days of Tech Data's request; however, if the Return Material
     Authorization is not received within two (2) business days, Trancell shall
     accept returned Products absent a Return Material Authorization Number.

8.10 Credits to Tech Data.  In the event any provisions of this Agreement or
     --------------------                                                   
     any other agreement between Tech Data and Trancell require that Trancell
     grant credits to Tech Data's account, and such credits are not received
     within thirty (30) days then, all such credits shall become effective
     immediately upon notice to Trancell.  In such event, Tech Data shall be
     entitled to deduct any such credits from the next monies owed to Trancell.
     In the event credits exceed any balances owed by Tech Data to Trancell
     ,then Trancell shall, upon request from Tech Data, issue a check payable to
     Tech Data within ten (10) days of such notice.  Credits owed to Tech Data
     shall not be reduced by early payment or prepayment discounts.  Tech Data
     shall have the right to set off against any amounts due to Trancell under
     this Agreement or any invoices issued by Trancell related to this Agreement
     any and all amounts due to Tech Data from Trancell, whether or not arising
     under this Agreement.

8.11 Severability.  If, but only to the extent that, any provision of this
     ------------                                                         
     Agreement is declared or found to be illegal, unenforceable or void, then
     both parties shall be relieved of all obligations arising under such
     provision, it being the intent and agreement of the parties 

                                     -13-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
     that this Agreement shall be deemed amended by modifying such provision to
     the extent necessary to make it legal and enforceable while preserving its
     intent.

8.12 Waiver.  A waiver by either of the parties of any covenants, provisions or
     ------                                                                    
     agreements to be performed by the other or any breach thereof shall not be
     construed to be a waiver of any succeeding breach thereof or of any other
     covenant, condition or agreement herein contained.

8.13 Remedies.  All remedies set forth in this Agreement shall be cumulative
     --------                                                               
     and in addition to and not in lieu of any other remedies available to
     either party at law, in equity or otherwise, and may be enforced
     concurrently or from time to time.

8.14 Entire Agreement.  This Agreement, including any Exhibits and documents
     ----------------                                                       
     referred to in this Agreement or attached hereto, constitutes the entire
     and exclusive statement of Agreement between the parties with respect to
     its subject matter and there are no oral or written representations,
     understandings or agreements relating to this Agreement which are not fully
     expressed herein.  The parties agree that the terms and provisions of this
     Agreement shall prevail over any contrary or additional terms in any
     purchase order (unless agreed to in writing by both parties), sales
     acknowledgment, confirmation or any other document issued by either party
     effecting the purchase and/or sale of Products.

8.15 Governing Law.  This Agreement shall have Florida as its situs and shall
     -------------                                                           
     be governed by and construed in accordance with the laws of the State of
     Florida, without reference to choice of laws.

8.16 Software Licenses.  Whenever the Products described in this Agreement
     -----------------                                                    
     shall include software licenses, Trancell hereby grants to Tech Data a non-
     exclusive right to market, demonstrate and distribute the software to
     Customers of Tech Data.  Tech Data acknowledges that no title or ownership
     of the proprietary rights to any software is transferred by virtue of this
     Agreement notwithstanding the use of terms such as "purchase", "sale" or
     the like within this Agreement.

8.17 Time of Performance.  Time is hereby expressly made of the essence with
     -------------------                                                    
     respect to each and every term and provision of this Agreement.

     IN WITNESS WHEREOF, the parties have each caused this Agreement to be
signed and delivered by its duly authorized officer or representative as of the
Effective Date.



                                               
TRANCELL SYSTEMS                                 TECH DATA CORPORATION
 
By: /s/   [****]                                 By: /s/ Peggy K. Caldwell
   ----------------------------                     ---------------------------------
Printed Name: [****]                             Printed Name: PEGGY K. CALDWELL
Title:Vice President Sales                       Title: Senior Vice President, Sales and
                                                 Marketing


                                     -14-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
Date: 12/5/96                                    Date: 12/16/96

                               
                                     -15-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.

 
                                 SCHEDULE 5.7

                               CO-OP GUIDELINES

To increase the effectiveness of advertising and sales promotions Tech Data has
developed the following advertising requirements:

HOW CO-OP IS EARNED:
- - Co-op dollars will be at least [* * * ] of the purchases made by Tech Data,
net of returns.
- - Co-op dollars will be accrued on a monthly basis.

HOW CO-OP IS SPENT:
- - Tech Data will be reimbursed for [* * * ] that feature vendor products.
- - Co-op dollars will be used within the 12 months immediately following the
month in which they are earned.

HOW CO-OP IS CLAIMED:
- - Claims for co-op will be submitted to vendor within 60 days of the event date.
- - Claims for co-op will be submitted with a copy of vendor prior approval and
proof of performance.
- - Payment must be remitted within 30 days of the claim date, or Tech Data
reserves the right to deduct from the next invoice.

CO-OP REPORTING:
- - Vendor will submit a monthly co-op statement outlining (i) co-op earned, (ii)
co-op used and (iii) co-op claims paid.


Accepted

 /s/    [****]     
 ---------------------                        

Name:   [****]      
Title:  Vice-President Sales
Date: 12/5/96


                                     -16-
*Material has been omitted pursuant to a request for confidential treatment.  
Such material has been filed separately with the Securities and Exchange 
Commission.