About This Book; Document Revision History - Cisco ASR 903 Hardware Installation Manual

About this Book

The preface describes the revision history, audience, organization, and conventions of Cisco ASR 903
Router Hardware Installation Guide. It also lists sources for obtaining additional information and
technical assistance from Cisco Systems.
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Document Revision History

The following table lists the major changes made to this document for each release.
Revision
OL-25178-04
OL-25178-03
OL-25178-03
OL-25178-03
OL-25178-02
OL-25178-02
OL-25178-01
Document Audience
This guide is intended for users who are responsible for installing the Cisco ASR 903 Series Aggregation
Services Router. It is intended for users who may not be familiar with the initial configuration and
troubleshooting tasks, the relationship among tasks, or the Cisco IOS software commands necessary to
perform particular tasks.
OL-25178-04
Document Revision History, page ix
Document Audience, page ix
Document Organization, page x
Document Conventions, page x
Obtaining Documentation and Submitting a Service Request, page xi
Date
3 June 2013
3 April 2013
29 November 2012
23 August 2012
30 March 2012
24 February 2012
16 December 2011
Change Summary
Updated supported SFPs for IOS XE Release 3.9. 1
Updated supported SFPs for IOS XE Release 3.9.
Updated supported SFPs for IOS XE Release 3.8.
Added material for AC power supply, chassis air flow
information, and NEBS certification.
Updated supported SFPs for IOS XE Release 3.6.
Added power draw and installation torque values.
First release published.
Cisco ASR 903 Router Hardware Installation Guide
-ix