Exhibit 21
General DataComm Industries, Inc.
Subsidiaries of the Registrant
State or Percentage
Jurisdiction of of Voting
Subsidiaries Incorporation Securities Owned
General DataComm, Inc. Delaware 100%
GDC Federal Systems, Inc. Delaware 100%
DataComm Leasing Corporation Delaware 100%
DataComm Rental Corporation 1 Delaware 100%
General DataComm Ltd. Canada 100%
General DataComm Limited United Kingdom 100%
General DataComm International
Corporation Delaware 100%
General DataCommunications,
Industries, B.V. 1 Netherlands 100%
GDC Realty, Inc. Texas 100%
GDC Naugatuck, Inc. Delaware 100% 2
General DataComm de Mexico
S.A. de C.V. Mexico 100% 3
Grupo GDC de Mexico S.A. de
C.V. Mexico 100%
GDC Servicios S.A. de C.V. Mexico 100%
VITAL Network Services, S.A. de
C.V. Mexico 100%
General DataComm France SARL France 100%
General DataComm Pte Ltd. Singapore 100%
Vital Network Services (S) Pte Ltd. Singapore 100% 7
General DataComm de
Venezuela, C.A. 1 Venezuela 100%
General DataComm Advanced Research
Centre Limited United Kingdom 100% 4
General DataComm Industries GmbH Germany 100%
General DataComm CIS Russia 100%
General DataComm China, Ltd. Delaware 100% 5
General DataComm do Brasil Ltda, S.C. Brazil 100%
Vital Network Equipment e Servicos do
Brasil Ltda. Brazil 100% 7
VITAL Network Services, L.L.C. Delaware 100% 6
Vital Network Services Limited United Kingdom 100% 7
General DataComm Japan KK Japan 100%
_________________
1. Currently inactive
2. Wholly owned by GDC Realty, Inc.
3. One share, less than 1%, owned by General DataComm International Corporation
4. 5% owned by General DataComm International Corporation
5. Wholly owned by General DataComm International Corporation
6. Limited liability company owned by General DataComm, Inc.
7. Wholly owned by VITAL Network Services, L.L.C.
