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Cisco ONS 15454 Reference Manual, R8.5.x
78-18106-01
About this Manual
Note The terms "Unidirectional Path Switched Ring" and "UPSR" may appear in Cisco literature. These terms
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:
• Document Objectives
• Audience
• Related Documentation
• Document Conventions
• Obtaining Optical Networking Information
• Obtaining Documentation and Submitting a Service Request
Revision History
Date Notes
September 2007 Added this Revision History table. Incorporated the NEBS Compliance changes in
Appendix-A A1.11 System Power section.
August 2007
• Updated Performance Monitoring chapterwith information about border error
rates.
• Updated the default value for DS3XM12.config.FeInhibitLpbk in the Network
Element Defaults chapter.
• Added sub-section 11.22.1, VCAT Circuit Routing over Server Trails.
• Added high switch information about DS3XM12 cards having different
backplane bandwidths in section 3.10.5 Protection Modes.