Cisco Systems Cisco CRS-1 manual Changes to This Document, Obtaining Documentation, Cisco.com

Preface

Changes to This Document

Table 1-1lists the technical changes made to this document since it was first printed.

Table 1-1 Changes to This Document

Revision	Date	Change Summary
OL-10971-07	May 2008	New procedures on installing and removing a pillow block
		were added to Chapter 4, “Installing and Removing SFCs,
		RPs, MSCs, PLIMs, and Associated Components.”
OL-10971-06	March 2008	Minor editorial changes.
OL-10971-05	August 2007	Technical updates were made to Chapter 2, “Installing and
		Removing Power Components.”
OL-10971-04	June 2007	Added “Recommended Chassis Installation Task Sequence”
		in Chapter 1, “Overview,” and reorganized and revised
		Chapter 4, “Installing and Removing SFCs, RPs, MSCs,
		PLIMs, and Associated Components.” Also added
		“Removing a DC Power Shelf” in Chapter 2, “Installing and
		Removing Power Components.”
OL-10971-03	March 2007	Added “DC Power Systems on the Cisco CRS-14-Slot
		Router”, “Installing a DC Power Shelf”, in Chapter 2,
		“Installing and Removing Power Components.” Also
		updated Appendix A, “Cisco CRS-14-Slot Line Card
		Chassis System Specifications,” with DC power
		specifications and other updates.
OL-10971-02	November 2006	Added Chapter 5, “Installing and Removing the Doors and
		Grille.”
OL-10971-01	November 2006	Initial release of the document

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Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide

x OL-10971-07