United Kingdom

Communications Test & Measurement


SDH Pocket Guide

This pocket guide provides an introduction to synchronous digital hierarchy (SDH) technology.

It includes information about the SDH market and the benefits of SDH over previous communications technologies. 

Most of the guide is devoted to describing SDH layers, components, and frame formats.  Other topics include a comparison to SONET and standards for testing. 

Download the complete text as an Adobe PDF file (776K): (English) (Deutsch)

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