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terminal multiplexer (TM)

A terminal multiplexer (TM) is an SDH network component that combines multiple signals, plesiochronous as well as synchronous, into a higher bit rate synchronous transport mode (STM).

Terminal Multiplexer

Terminal Multiplexer

Thus, from the Plesiochronous Digital Hierarchy (PDH), 2-Mbit/s and 34-Mbit/s links can be packaged into synchronous transport modules n (STM-n). The terminal multiplexer acquires and generates the path header parts (POH) on the input side and generates the complete section frame header parts (SOH) for the Synchronous Digital Hierarchy (SDH).

Terminal multiplexers are also called Synchronous Multiplex Terminal (SMT).

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Englisch: terminal multiplexer - TM
Updated at: 27.09.2007
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