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SDH Telecommunications Standard

Overview SDH (Synchronous Digital Hierarchy) is a standard for telecommunications transport formulated by the International Telecommunication Union (ITU), previously called the International Telegraph and Telephone Consultative Committee (CCITT). SDH was first introduced into the telecommunications network in 1992 and has been deployed at rapid rates since then. It's deployed at all levels of the network infrastructure, including the access network and the long-distance trunk network. It's based on overlaying a synchronous multiplexed signal onto a light stream transmitted over fibre-optic cable. SDH is also defined for use on radio relay links, satellite links, and at electrical interfaces between equipment.

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Publisher
Tektronix
File Format
PDF, requires Acrobat Rdr 5
Date Published
Nov 1, 2004
Format
White Papers
Topics
Optical Networking, LAN - WAN Standards

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