About This Guide; Revision History - Cisco ONS 15454 Reference 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.

Revision History

Date
March 2007
September 2007
August 2009
December 2009
This section provides the following information:
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Notes
Revision History Table added for the first time
Updated About this Guide chapter
Updated the sections "TL1 Sessions," "TL1 Gateway and ENE Sessions," and
"Implementing TL1 Gateway" in Chapter 2, Procedures and Provisioning.
Updated the "Starting Positions for an STS-Nc SPE in an OC-192 Signal" table in
Chapter 1, General Information.
Document Objectives
Audience
Document Organization
Related Documentation
Document Conventions
Obtaining Optical Networking Information
Obtaining Documentation and Submitting a Service Request
Cisco ONS SONET TL1 Reference Guide, R6.0
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