Table of Contents
Issue 1
December 1997
A-i
A
A SONET Overview
Overview
History
Basic Purpose
Technical Overview
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SONET Signal Hierarchy
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SONET Layers
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SONET Frame Structure
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Section Overhead
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Line Overhead
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Path Overhead
STS-1 Path Overhead
VT Path Overhead
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SONET Multiplexing Procedure
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SONET Demultiplexing Procedure
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SONET Digital Multiplexing Schemes
Asynchronous Multiplexing
Synchronous Multiplexing
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Virtual Tributary Signals
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Concatenated Mode
SONET Interface
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SONET Payloads
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Higher Rate Transport
Conclusion