Revision History - Cisco ONS 15454 Troubleshooting Manual

Preface
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:
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Revision History

This is the first issue of this publication.
Date
November 2007
April 2008
June 2008
November 2009
Revision History
Document Objectives
Audience
Related Documentation
Document Conventions
Obtaining Optical Networking Information
Obtaining Documentation and Submitting a Service Request
Notes
Added this Revision History Table
Updated APC-DISABLED alarm details in the "Alarms and Conditions Listed
By Alphabetical Entry" and "Alarm List by Logical Object Type" sections of
Chapter 2, Alarm Troubleshooting.
Updated section "2.7.326 PORT-MISMATCH" (changed ML-Series to
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ML-MR-10) of Chapter 2, Alarm Troubleshooting
Added EID-6147 and EID-6148 in the Error Messages chapter.
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Updated FAILTOSW alarm in Chapter 2, Alarm Troubleshooting.
Cisco ONS 15454 Troubleshooting Guide, R8.5
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