The 20-790/791 Daisy Chain Switching Module is designed for telecom test applications. It allows production or verification testing of SONET/SDH transmission multiplexers, suitable for rates up to 155MBit/s. Traffic is sequentially Daisy-Chained through all tributaries (or any selection of tributaries), modules can be cascaded to test any number of tributaries. A built in breakout multiplexer allows separate testing of individual ports.
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