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Exhibit 21.1
LIST OF SUBSIDIARIES
NAME JURISDICTION OF INCORPORATION
Data Switch GmbH Elektronische Systeme Germany
Data Switch Subsidiary Stock Corporation Delaware
Data Switch U.K. Limited U.K.
General Signal Networks (Germany) GmbH Germany
Inrange Development Corporation Delaware
Inrange Technologies Canada Inc. Canada
Inrange Technologies GmbH Germany
Inrange Technologies Holding S.A.S. France
Inrange Technologies Italia, S.r.l. Italy
Inrange Technologies Ltd. U.K.
Inrange Technologies S.A. (Belgium) Belgium
Inrange Technologies S.A. (Switzerland) Switzerland
Inrange Technologies S.A.S. France