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add/drop multiplexer (ADM)

By means of an add/drop multiplexer (ADM), individual channels of an SDH hierarchy with a low bit rate can be taken out of or inserted into a transmission channel with a high bit rate. It is a type of low power cross connection.

How the Add/Drop Multiplexer Works

How the Add/Drop Multiplexer Works

By precisely defining the location of the transmission systems used by the Plesiochronous Digital Hierarchy (PDH) in the SDH payload, the Add/Drop Multiplexer can access them directly without having to traverse the entire multiplex hierarchy.

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Englisch: add/drop multiplexer - ADM
Updated at: 14.04.2018
#Words: 82
Translations: DE