Issue 3 June 2000
xxv
Contents
■
Commands 11-17
■
RTRV-ALM Reports 11-394
■
RTRV-HSTY Reports 11-415
A A SONET Overview
A-1
■
Overview A-1
■
History A-1
■
Basic Purpose A-2
■
Technical Overview A-2
SONET Signal Hierarchy A-2
SONET Layers A-4
SONET Frame Structure A-6
Section Overhead A-6
Line Overhead A-7
Path Overhead A-8
STS-1 Path Overhead A-8
VT Path Overhead A-9
SONET Multiplexing Procedure A-10
SONET Demultiplexing Procedure A-12
SONET Digital Multiplexing Schemes A-14
Asynchronous Multiplexing A-14
Synchronous Multiplexing A-15
Virtual Tributary Signals A-15
Concatenated Mode A-16
■
SONET Interface A-18
SONET Payloads A-18
Higher Rate Transport A-20
■
Conclusion A-20
Glossary
GL-1GL-1
A-20
A-20
A-18
A-18
A-16
A-15
A-15
A-14
A-14
A-12
A-10
A-9
A-8
A-8
A-7
A-6
A-6
A-4
A-2
A-2
A-2
A-1
A-1
A-1
11-415
11-394
11-17
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