Cisco ONS 15310-MA SDH Procedure Manual page 37

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
Date
November 2009
December 2009
January 2010
78-19416-01
Revision History
Document Objectives
Audience
Document Organization
Related Documentation
Document Conventions
Obtaining Optical Networking Information
Obtaining Documentation and Submitting a Service Request
Notes
Updated the section "NTP-H189 View Shelf Temperature" in the chapter
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"Install the Cisco ONS 15310-MA SDH".
Updated the section "NTP-H140 Create a Server Trail" in the chapter, "Create
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Circuits and VC Low-order Path Tunnels".
Updated the fan tray caution in the section "NTP-H152 Install the Fan-Tray
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Assembly" in the chapter "Install the Cisco ONS 15310-MA SDH".
Updated the "Add a Path Protection Node" procedure in Chapter 13, "Add and
Remove Nodes".
Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
xxxvii