ASPEN VENTURE PARTNERS LP
SC 13G/A, 1997-02-14
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13G


                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1 )*

                             TranSwitch Corporation
                             ----------------------
                                (Name of Issuer)

                          Common Stock, $.001 par value
                          -----------------------------
                         (Title of Class of Securities)

                                    894065101
                                    ---------
                                 (CUSIP Number)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


                               Page 1 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  2  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Aspen Venture Partners, L.P.
          04-3266983
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       Jersey, Channel Islands limited partnership
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              --0--shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               --0-- shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,495 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .18%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       PN

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 2 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  3  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Aspen Venture Associates, L.P.
          04-3128426
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware limited partnership
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              --0--shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               --0--shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,495 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .18%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       PN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!

                               Page 3 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  4  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Michael J.F. DuCros

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       USA
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              388 shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               388 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,883 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .18%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       IN

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                               Page 4 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  5  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Alexander P. Cilento

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       USA

- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              988 shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               988 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       22,483 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .19%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       IN

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                               Page 5 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  6  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       E. David Crockett

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       USA
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              1,088 shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               1,088 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       22,583 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .19%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       IN

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 6 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  7  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Allan R. Ferguson

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       USA
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              -0- shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              27,583 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               -0- shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              27,583 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       27,583 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .23%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 7 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  8  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Michael A. Henos

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       USA
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              --0--shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               --0--shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,495 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .18%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       IN

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

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!

                               Page 8 of 16 pages



CUSIP NO.  894065101                 13G                 PAGE  9  OF  16  PAGES



- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       Nicholas A. Papantonis

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) [ ]
                                                                       (b) [ ]

- ------
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

       USA
- ------ -------------------------------------------------------------------------
- ------------------------- --- --------------------------------------------------
                          5   SOLE VOTING POWER

                              --0--shares
       NUMBER OF
                          --- --------------------------------------------------
                          --- --------------------------------------------------
         SHARES           6   SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY              21,495 shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          EACH            7   SOLE DISPOSITIVE POWER
       REPORTING
         PERSON               --0--shares

                          --- --------------------------------------------------
                          --- --------------------------------------------------
          WITH            8   SHARED DISPOSITIVE POWER

                              21,495 shares

- ------------------------- --- --------------------------------------------------
- ------ -------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       21,495 shares

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                           [ ]
- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       .18%

- ------ -------------------------------------------------------------------------
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

       IN

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                               Page 9 of 16 pages








ITEM 1 (A).       NAME OF ISSUER:

                  TranSwitch Corporation

ITEM 1 (B).       ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                  8 Progress Drive, Shelton, CT  06484

ITEM 2 (A).       NAME OF PERSONS FILING:

                  Aspen  Venture  Partners,   L.P.   ("Aspen"),   Aspen  Venture
                  Associates, L.P. ("AVA"), Alexander P. Cilento ("Cilento"), E.
                  David Crockett  ("Crockett"),  Michael J.F. DuCros ("DuCros"),
                  Allan R. Ferguson ("Ferguson"), Michael A. Henos ("Henos") and
                  Nicholas  A.  Papantonis  ("Papantonis").  Cilento,  Crockett,
                  DuCros,   Ferguson,  Henos  and  Papantonis  are  the  general
                  partners of AVA, the sole general partner of Aspen.

ITEM 2 (B).       ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

                  The address of the principal business office of each of Aspen,
                  AVA, Cilento, Crockett, DuCros, Ferguson, Henos and Papantonis
                  is One Post Office Square, Suite 3320, Boston, MA 02109.

ITEM 2 (C).       CITIZENSHIP:

                  Aspen is a  limited  partnership  organized  under the laws of
                  Jersey,   Channel  Islands.   AVA  is  a  limited  partnership
                  organized  under  the laws of the State of  Delaware.  Messrs.
                  Cilento,  DuCros,  Ferguson,  Henos  and  Papantonis  and  Dr.
                  Crockett are United States citizens.

ITEM 2 (D).       TITLE OF CLASS OF SECURITIES:

                  Common Stock, $.001 par value.

ITEM 2 (E).       CUSIP NUMBER

                  894065101

ITEM              3. IF THIS  STATEMENT IS FILED  PURSUANT TO RULES  13D-1(B) OR
                  13D-2(B), CHECK WHETHER THE PERSON FILING IS A:

                  (a) [     ]       Broker or Dealer registered under Section 15
                                    of the Securities  Exchange Act of 1934 (the
                                    "Act").

                  (b) [     ]       Bank as defined  in  Section  3(a)(6) of the
                                    Act.

                  (c) [     ]       Insurance  Company  as  defined  in  Section
                                    3(a)(19) of the Act.

                  (d) [     ]       Investment  Company registered under Section
                                    8 of the Investment Company Act of 1940.

                  (e) [     ]       Investment  Advisor registered under Section
                                    203 or the Investment Advisors Act of 1940.



                               Page 10 of 16 pages


                  (f) [     ]       Employee Benefit Plan, Pension Fund which is
                                    subject to the  provisions  of the  Employee
                                    Retirement  Income  Security  Act of 1974 or
                                    Endowment Fund; see Rule  13d-1(b)(1)(ii)(F)
                                    of the Act.

                  (g) [     ]       Parent Holding  Company,  in accordance with
                                    Rule 13d-1(b)(ii)(G) of the Act.

                  (h) [     ]       Group,     in    accordance     with    Rule
                                    13a-1(b)(1)(ii)(H) of the Act.

                  NOT APPLICABLE

ITEM 4.  OWNERSHIP:
                  (a)      Amount Beneficially Owned:

                           Aspen owns  beneficially  and of record 21,495 shares
                           of  Common  Stock of  TranSwitch  Corporation,  as of
                           December 31, 1996. AVA, the general partner of Aspen,
                           may be deemed to own  beneficially  the 21,495 shares
                           of Common  Stock  held by Aspen.  Cilento,  Crockett,
                           DuCros,  Ferguson,  Henos, and Papantonis are general
                           partners of AVA, and each  therefore may be deemed to
                           own beneficially the 21,495 shares held by Aspen. Mr.
                           Cilento  is the  beneficial  owner of 988  shares  of
                           Common Stock as of December 31, 1996. Dr. Crockett is
                           the beneficial  owner of 1,088 shares of Common Stock
                           as of December 31, 1996. Mr. DuCros is the beneficial
                           owner of 388  shares of Common  Stock as of  December
                           31, 1996. Mr. Ferguson, jointly with his wife, is the
                           beneficial  owner of 6,088  shares of Common Stock as
                           of December 31, 1996.

                  (b)      Percent of Class:

                           Each of Aspen, AVA, DuCros, Henos and Papantonis owns
                           beneficially  0.18% of the Common Stock of TranSwitch
                           Corporation.  Each of Mr.  Cilento  and Dr.  Crockett
                           owns  beneficially  0.19%  of  the  Common  Stock  of
                           TranSwitch    Corporation.    Mr.    Ferguson    owns
                           beneficially  0.23% of the Common Stock of TranSwitch
                           Corporation.   The   percentages  are  based  on  the
                           11,869,512  shares of  Common  Stock  reported  to be
                           outstanding  on October  31,  1996 in the  TranSwitch
                           Corporation  Quarterly  Report  on Form  10-Q for the
                           quarter ended September 30, 1996.

                  (c)      Number of Shares as to which such person has:

                           (i)      sole  power  to vote  or  direct  the  vote:
                                    Aspen:  0; AVA: 0; Cilento:  988;  Crockett:
                                    1,088;  DuCros: 388; Ferguson:  0; Henos: 0;
                                    and Papantonis: 0.

                           (ii)     shared  power to vote or to direct the vote:
                                    Aspen: 21,495; AVA: 21,495; Cilento: 21,495;
                                    Crockett:  21,495; DuCros: 21,495; Ferguson:
                                    27,583;   Henos:   21,495  and   Papantonis:
                                    21,495.

                           (iii)    sole  power  to  dispose  or to  direct  the
                                    disposition  of: Aspen:  0; AVA: 0; Cilento:
                                    988; Crockett: 1,088; DuCros: 388; Ferguson:
                                    0; Henos: 0 and Papantonis: 0.


                               Page 11 of 16 pages



                           (iv)     shared  power to  dispose  or to direct  the
                                    disposition of: Aspen:  21,495; AVA: 21,495;
                                    Cilento: 21,495;  Crockett:  21,495; DuCros:
                                    21,495; Ferguson:  27,583; Henos: 21,495 and
                                    Papantonis: 21,495.

ITEM (5).         OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

                  This  statement  is being  filed to report the fact that as of
                  the date hereof the  reporting  persons  have ceased to be the
                  beneficial  owner of more  than  five  percent  of the  common
                  stock.

ITEM (6).         OWNERSHIP  OF MORE THAN  FIVE  PERCENT  ON  BEHALF OF  ANOTHER
                  PERSON:

                  NOT APPLICABLE.

ITEM (7).         IDENTIFICATION  AND  CLASSIFICATION  OF THE  SUBSIDIARY  WHICH
                  ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT COMPANY:

                  NOT APPLICABLE.

ITEM (8).         IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

                  NOT APPLICABLE.

ITEM (9).         NOTICE OF DISSOLUTION OF GROUP:

                  NOT APPLICABLE.

ITEM (10).        CERTIFICATION:

                  NOT APPLICABLE.

                  Not filed pursuant to Rule 13d-1(b).






                               Page 12 of 16 pages



                                    SIGNATURE

    After  reasonable  inquiry and to the best of my  knowledge  and  belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

Dated:  February 14, 1997                 ASPEN VENTURE PARTNERS, L.P.

                                          By:  Aspen Venture Associates, L.P.

                                                 By:  /s/ Allan R. Ferguson
                                                    --------------------------
                                                        General Partner


                                          ASPEN VENTURE ASSOCIATES, L.P.

                                          By:  /s/ Allan R. Ferguson
                                             --------------------------
                                              General Partner

                                                              *
                                          ---------------------------
                                          Alexander P. Cilento

                                                              *
                                          ---------------------------
                                          E. David Crockett

                                                              *
                                          ---------------------------
                                          Michael J.F. DuCros

                                                              *
                                          ---------------------------
                                          Allan R. Ferguson

                                                              *
                                          ---------------------------
                                          Michael Henos

                                                              *
                                          ---------------------------
                                          Nicholas A. Papantonis

*By:     /s/ Allan R. Ferguson
     --------------------------
         Allan R. Ferguson
         Attorney-in-Fact

- --------------------------------------------------------------------------------
This  Schedule  13G was executed by Allan R.  Ferguson  pursuant to the Power of
Attorney filed with the Securities and Exchange Commission on February 12, 1993,
in  connection  with a  Schedule  13G for Media  Vision,  Inc.,  which  Power of
Attorney is  incorporated  herein by  reference  and a copy of which is attached
hereto.


                               Page 13 of 16 pages


                                    EXHIBIT I

         Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934,
the undersigned hereby agree that only one statement  containing the information
required on Schedule  13G need be filed with respect to ownership by each of the
undersigned of shares of Common Stock of TranSwitch Corporation.

         This Agreement may be executed in any number of  counterparts,  each of
which shall be deemed an original.

Dated:  February 14, 1997                 ASPEN VENTURE PARTNERS, L.P.

                                          By:  Aspen Venture Associates, L.P.

                                          By:   /s/ Allan R. Ferguson
                                              --------------------------
                                                   General Partner


                                          ASPEN VENTURE ASSOCIATES, L.P.


                                          By:     /s/ Allan R. Ferguson
                                              --------------------------
                                               General Partner



                                                            *
                                          --------------------------
                                          Alexander P. Cilento



                                                            *
                                          --------------------------
                                          E. David Crockett



                                                            *
                                          --------------------------
                                          Michael J.F. DuCros



                                                            *
                                          --------------------------
                                          Allan R. Ferguson





                               Page 14 of 16 pages




                                                            *
                                          --------------------------
                                          Michael A. Henos



                                                            *
                                          --------------------------
                                          Nicholas A. Papantonis



*By:      /s/ Allan R. Ferguson
         Allan R. Ferguson
         Attorney-in-Fact




- --------------------------------------------------------------------------------
This  Schedule  13G was executed by Allan R.  Ferguson  pursuant to the Power of
Attorney filed with the Securities and Exchange Commission on February 12, 1993,
in  connection  with a  Schedule  13G for Media  Vision,  Inc.,  which  Power of
Attorney is  incorporated  herein by  reference  and a copy of which is attached
hereto.



                               Page 15 of 16 pages


                                                                      EXHIBIT II

                                POWER OF ATTORNEY

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below hereby constitutes and appoints Allan R. Ferguson and Michael J.F.
Du Cros,  and each of them,  with full power to act without the other,  his true
and lawful  attorney-in-fact,  with full power of substitution,  to sign any and
all instruments,  certificates and documents that may be necessary, desirable or
appropriate  to be  executed  on behalf of  himself as an  individual  or in his
capacity as a general partner of any  partnership,  pursuant to section 13 or 16
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any
and all  regulations  promulgated  thereunder,  and to file the  same,  with all
exhibits  thereto,  and any other  documents in connection  therewith,  with the
Securities and Exchange  Commission,  and with any other entity when and if such
is mandated by the Exchange Act or by the By-laws of the National Association of
Securities  Dealers,  Inc., granting unto said  attorney-in-fact  full power and
authority to do and perform each and every act and thing necessary, desirable or
appropriate,  fully  to all  intents  and  purposes  as he  might or could do in
person, thereby ratifying and confirming all that said attorney-in-fact,  or his
substitutes, may lawfully do or cause to be done by virtue hereof.

         IN WITNESS  WHEREOF,  this Power of Attorney  has been signed as of the
10th day of February, 1993.

                            /s/ Alexander P. Cilento
                            --------------------------
                            Alexander P. Cilento

                            /s/ E. David Crockett
                            --------------------------
                            E. David Crockett

                            /s/ Michael J.F. Du Cros
                            --------------------------
                            Michael J.F. Du Cros

                            /s/ Allan R. Ferguson
                            --------------------------
                            Allan R. Ferguson

                            /s/ Michael A. Henos
                            --------------------------
                            Michael A. Henos

                            /s/ Nicholas A. Papantonis
                            --------------------------
                            Nicholas A. Papantonis




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