IEVref:723-10-70ID:
Language:enStatus: Obsolete
Term: digital multiplex hierarchy
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Definition: a series of levels of digital multiplexing in which each level is characterized by a defined bit rate, and in which each level handles a digital signal assembled by multiplexing signals whose bit rate is that of a lower level

NOTE – The Standardization sector of ITU has standardized two digital multiplex hierarchies, the plesiochronous digital hierarchy (PDH) and the synchronous digital hierarchy (SDH).


Publication date:1997-03
Source704-20-07 MOD
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