About This Guide - Cisco ONS 15454 SDH Procedure Manual

About this Guide

The terms "Unidirectional Path Switched Ring" and "UPSR" may appear in Cisco literature. These terms
Note
do not refer to using Cisco ONS 15xxx products in a unidirectional path switched ring configuration.
Rather, these terms, as well as "Path Protected Mesh Network" and "PPMN," refer generally to Cisco's
path protection feature, which may be used in any topological network configuration. Cisco does not
recommend using its path protection feature in any particular topological network configuration.
This section explains the objectives, intended audience, and organization of this publication and
describes the conventions that convey instructions and other information.
This section provides the following information:
Revision History
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Audience
•
Document Organization
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Related Documentation
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Document Conventions
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Obtaining Optical Networking Information
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Obtaining Documentation and Submitting a Service Request
•
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