Toronto , Canada (PressExposure) December 01, 2009 -- GAO Instruments [http://www.gaoinstruments.com/] (www.GAOInstruments.com) provides its portable data communication tester [http://www.gaoinstruments.com/data_communication_tester-p-766.html], a multi-purpose tester designed for the maintenance and trouble-shooting of digital networks. It performs both framed and unframed tests on various equipment such as primary multiplexers, digital cross connects, automatic protection switches and circuits at a speed of between 50bit/s and 2048kbit/s.
This optimized data communication tester, model A0300002, integrates V.24, V.35, V.11, X.21 interfaces, G.703 Co-dir 64kbit/s interface and G.703-2Mkbit/s interface; accommodations for future interfaces have also been considered. It supports synchronous or asynchronous data transmission via each interface. interface. It generates and monitors PCM30, PCM30 CRC, PCM31 and PCM31 CRC frame structures and provides an error analysis function which allows histograms of error or alarm data to be displayed. The measurement results can be stored in its onboard memory to prevent data loss in the event of power failure.
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