Cisco Systems CRS-1 Changes to This Document, Revision, Date, Change Summary, Considerations.”

Preface

Changes to This Document

lists the technical changes made to this document since it was first printed.

Table 1	Changes to This Document
Revision	Date	Change Summary
OL-5802-06	February 2008	Minor editorial changes.
OL-5802-05	June 2007	This revision updates the two-pole DC power
		requirements.
OL-5802-04	June 2006	The front and rear clearance values for
		installation, service, and airflow have been
		updated in Chapter 4, “Site Planning
		Considerations.”
OL-5802-03	April 2006	Various technical updates were made
		throughout the guide, especially in Chapter 3,
		“Technical and Environmental
		Specifications.” Document titles for the Cisco
		CRS-1 8-slot line card chassis documentation
		set were updated.
		SIP and SPA product IDs were added to
		Appendix B “Product IDs for the Cisco
		CRS-18-Slot Line Card Chassis.”
OL-5802-02	December 2005	Changes were made to external packaging
		dimensions.
		Callout was added to Figure 2-3.
OL-5802-01A	March 2005	The DC power section was updated and new
		information was added.
		Product IDs were added for the redundant
		route processor (RP) and RP memory options.
		The document was updated to reflect that a set
		of horizontal shelf brackets is available as part
		of the installation kit
		(CRS-8-INSTALL-KT=).
OL-5802-01	December 2004	The initial release of this document.

Obtaining Documentation, Obtaining Support, and Security Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis Site Planning Guide

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