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What are the elements of SONET/SDH infrastructure?
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written 8.7 years ago by
teamques10
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SONET/SDH devices:
Several different equipment exist:
a. Terminal multiplexer (TM)
b. Add/drop multiplexer (ADM)
c. Digital cross connect (DCS)
Terminal multiplexer (TM):
i. It multiplexes a number of DS-n or E1 signals into a single OC-N signal
ii. It consists of a controller, low-speed interfaces for DS-n …
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