Contents; Document History - Cisco WS-SUP720-3B - Supervisor Engine 720 User Manual

Preface
This guide describes the route switch processors and supervisor engines supported by Cisco 7600 series
routers. It also provides technical specifications for these modules and describes cable and connector
specifications.
Only trained and qualified service personnel (as defined in IEC 60950 and AS/NZS3260) should install,
Caution
replace, or service the equipment described in this document.

Contents

This preface contains the following sections:
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Document History

Table 1
Table 1
Revision
OL-10100-11
OL-10100-10
OL-10100-09
OL-10100-08
OL-10100-11
Document History, page vii
Document Organization, page viii
Document Conventions, page ix
Related Documentation, page x
Obtaining Documentation, Obtaining Support, and Security Guidelines, page x
lists the technical changes made to this document since it was first printed.
Document History
Date
March 2012
November 2010
October 2010
April 2010
Cisco 7600 Series Router Supervisor Engine and Route Switch Processor Guide
Change Summary
Added Supervisor Engine 2T information.
Added scenrio information when the system LED on the
supervisor turns to orange from green in
Added troubleshooting information in
"Troubleshooting Route Switch Processors and Supervisor
Engines".
Updated information about the line card firmware bundled with
the IOS image.
, page 4.
Chapter 4,
vii