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Tandem connection monitoring

March 1, 1999

The ANT-20 Advanced Network Tester analyzes tandem connection monitoring (TCM) alarms and errors, and traces and displays the contents in plain text. This allows network operators to determine the source of impairments or prove they are not causing errors.

Wandel & Goltermann GbmH & Co., Eningen, Germany

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SANWA Denki Kogyo combines U.S. business units to create SANWA Technologies, Inc.

VeEX Inc.: RFTS-400 Remote Fiber Test System (RFTS)

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