Cisco OL-6256-17 User Manual

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide

January 2014

Cisco Systems, Inc.

www.cisco.com

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Text Part Number: OL-6256-17

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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide

Preface xiii

Objective xiii

Audience xiii

Document Organization xiii

Document Conventions xiv

Related Documentation xv

Changes to This Document xv

CHAPTER

Obtaining Documentation and Submitting a Service Request xvii

1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview 1-1

Chassis Overview 1-1

Chassis Components 1-2

Chassis Slot Numbers 1-9

Chassis Cable Management 1-10

Chassis Cooling System 1-11

Chassis Power System 1-12

Safety Guidelines 1-12

Preventing Electrostatic Discharge 1-13

2 Installing and Removing Power Components 2-1

Power Systems Overview 2-1

Power Component Information Common to Two Types of Power System 2-2

Basic Chassis Power Details 2-2

Fixed Configuration Power System 2-3 Modular Configuration Power System 2-3

Precautions and Recommendations 2-3 Bonding and Grounding Guidelines 2-4 How to Install the Chassis Ground Cable 2-5

Prerequisites 2-5

Required Tools and Equipment 2-5

Steps 2-5 DC Power Systems 2-6

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Contents

Fixed Configuration DC Power 2-6 Modular Configuration DC Power 2-9

AC Power Systems 2-11

Fixed Configuration AC Power 2-12 Modular Configuration AC Power 2-12

How to Install or Remove Fixed Configuration Power Components 2-13

Before Powering the Chassis Up or Down 2-14 Converting from One Fixed Configuration Power System to Another 2-14 Installing a PDU 2-15

Prerequisites 2-16 Required Tools and Equipment 2-16 Steps 2-16 What to Do Next 2-17

Removing a PDU 2-17

Prerequisites 2-17 Required Tools and Equipment 2-18 Steps 2-18 What to Do Next 2-18

Installing DC PDU Cables 2-19

Prerequisites 2-19 Required Tools and Equipment 2-20 Steps 2-20

Removing DC PDU Wiring 2-21

Prerequisites 2-21 Required Tools and Equipment 2-21 Steps 2-21

Installing a DC PEM or AC Rectifier 2-22

Prerequisites 2-22 Required Tools and Equipment 2-22 Steps 2-23 What to Do Next 2-23

Removing a DC PEM or AC rectifier 2-23

Prerequisites 2-24 Required Tools and Equipment 2-24 Steps 2-24 What to Do Next 2-25

How to Install or Remove Modular Configuration Power Components 2-25

Installing a Modular Configuration Power Shelf 2-26

Required Tools and Equipment 2-29 Steps 2-29

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Contents

What to Do Next 2-34 Installing AC Power Cords or DC Power Shelf Wiring 2-35

Installing Modular Configuration DC Power Shelf Wiring 2-35

Prerequisites 2-36

Required Tools and Equipment 2-36

Steps 2-36

Installing DC Terminal Block Covers 2-37

Required Tools and Equipment 2-37

Steps 2-37

Installing Modular Configuration AC Power Shelf Wiring 2-38

Prerequisites 2-38

Required Tools and Equipment 2-39

Steps 2-39

What to Do Next 2-40 Installing AC or DC PMs 2-40

Required Tools and Equipment 2-40

Steps 2-40

What to Do Next 2-42 Removing AC or DC PMs 2-42

Required Tools and Equipment 2-42

Steps 2-43

What to Do Next 2-44 Removing AC Power Cords or DC Power Shelf Wiring 2-45

Removing Modular Configuration DC Power Shelf Wiring 2-45

Prerequisites 2-45

Required Tools and Equipment 2-45

Steps 2-46

Removing Modular Configuration AC Power Shelf Wiring 2-47

Prerequisites 2-47

Required Tools and Equipment 2-47

Steps 2-47

What to Do Next 2-48 Removing a Modular Configuration Power Shelf 2-48

Prerequisites 2-48

Required Tools and Equipment 2-49

Steps 2-49

What to Do Next 2-51 Power Up and Power Down a Chassis with a Modular Configuration AC or DC Power Shelf 2-51

Power Up a Chassis with a Modular Configuration AC or DC Power Shelf 2-52

Prerequisites 2-52

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Contents

Steps 2-52 Power Down a Chassis with a Modular Configuration AC or DC Power Shelf 2-52 Prerequisites 2-52 Steps 2-52

Converting from One Modular Configuration Power System to Another 2-53

Converting a Chassis from Fixed Configuration Power to Modular Configuration Power 2-54

CHAPTER

3 Installing and Removing Air Circulation Components 3-1

About Line Card Chassis Airflow 3-1

How to Install or Remove Air Circulation Components 3-2

Installing a Lower Fan Tray 3-2

Prerequisites 3-3 Required Tools and Equipment 3-3 Steps 3-3 What to Do Next 3-4

Installing a Rear Exhaust Screen 3-4

Prerequisites 3-4 Required Tools and Equipment 3-4 Steps 3-5

Removing a Lower Fan Tray 3-5

Prerequisites 3-6 Required Tools and Equipment 3-6 Steps 3-6 What to Do Next 3-7

Installing an Upper Fan Tray 3-7

Prerequisites 3-7 Required Tools and Equipment 3-7 Steps 3-7 What to Do Next 3-8

Removing an Upper Fan Tray 3-8

Prerequisites 3-8 Required Tools and Equipment 3-8 Steps 3-9 What to Do Next 3-9

Installing the Chassis Air Filter 3-9

Prerequisites 3-10 Required Tools and Equipment 3-10 Steps 3-10 What to Do Next 3-11

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Removing the Chassis Air Filter 3-11

Prerequisites 3-11

Required Tools and Equipment 3-11

Steps 3-11

What to Do Next 3-11 Installing a Power Module Air Filter 3-12

Prerequisites 3-12

Required Tools and Equipment 3-12

Steps 3-13

What to Do Next 3-13 Removing a Power Module Air Filter 3-13

Prerequisites 3-13

Required Tools and Equipment 3-13

Steps 3-14

What to Do Next 3-14

Contents

CHAPTER

4 Installing and Removing Line Cards, PLIMs, and Associated Components 4-1

Information About Installing and Removing Cards and Associated Components 4-1

Guidelines and Warnings for Card Installation and Removal 4-2 Chassis Slot Numbers 4-4

Recommended Order of Card Installation 4-5

Cautions and Recommendations 4-5 Information About Impedance Carriers and Slot Covers 4-6 Information About Distributed Route Processors and Distributed Route Processor PLIMs 4-10 Information About Small Form-Factor Pluggable (SFP) Modules 4-12 Information About Hard Drives and PCMCIA Cards 4-12 Information About Cable Management Brackets 4-12

How to Install or Remove a Slot Cover 4-13

Installing a Slot Cover 4-13

Prerequisites 4-14

Required Tools and Equipment 4-14

Steps 4-14

What to Do Next 4-15 Removing a Slot Cover 4-15

Prerequisites 4-16

Required Tools and Equipment 4-16

Steps 4-16

What to Do Next 4-16

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How to Install or Remove an Impedance Carrier 4-16

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Contents

Installing an Impedance Carrier 4-16

Prerequisites 4-17 Required Tools and Equipment 4-18 Steps 4-18 What to Do Next 4-18

Removing an Impedance Carrier 4-18

Prerequisites 4-18 Required Tools and Equipment 4-18 Steps 4-19 What to Do Next 4-19

How to Install or Remove a Pillow Block 4-19

Installing a Pillow Block 4-19

Prerequisites 4-19 Required Tools and Equipment 4-20 Steps 4-20 What to Do Next 4-21

Removing a Pillow Block 4-21

Prerequisites 4-21 Required Tools and Equipment 4-21 Steps 4-21 What’s Next 4-22

How to Install or Remove a Switch Fabric Card 4-22

Installing a Switch Fabric Card 4-22

Prerequisites 4-23 Required Tools and Equipment 4-24 Steps 4-24 What to Do Next 4-26

Removing a Switch Fabric Card 4-26

Prerequisites 4-27 Required Tools and Equipment 4-27 Steps 4-27 What to Do Next 4-28

Verifying the Installation of a Switch Fabric Card 4-28

Understanding the Alphanumeric LEDs 4-28 Troubleshooting the Switch Fabric Card 4-28

How to Install or Remove an MSC, FP, or LSP 4-29

Installing an MSC, FP, or LSP 4-29

Prerequisites 4-31 Required Tools and Equipment 4-31

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Steps 4-31

What to Do Next 4-33 Removing an MSC, FP, or LSP 4-33

Prerequisites 4-34

Required Tools and Equipment 4-34

Steps 4-34

What to Do Next 4-36 Verifying the Installation of an MSC, FP, or LSP 4-36

Understanding the Alphanumeric LEDs 4-37

Troubleshooting the MSC, FP, or LSP 4-37

How to Install or Remove an RP, PRP, or DRP PLIM 4-38

Installing an RP, PRP, or DRP Card 4-38

Prerequisites 4-38

Required Tools and Equipment 4-40

Steps 4-40

What to Do Next 4-41 Removing an RP, PRP, or DRP Card 4-41

Prerequisites 4-41

Required Tools and Equipment 4-42

Steps 4-42

What to Do Next 4-42 Verifying the Installation of an RP, PRP, or DRP Card 4-43

Understanding the Alphanumeric LEDs 4-44

Troubleshooting the RP, PRP, or DRP Card 4-44

Contents

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How to Install or Remove a PCMCIA Card 4-45

Installing a PCMCIA Card 4-45

Prerequisites 4-46

Required Tools and Equipment 4-46

Steps 4-46

What to Do Next 4-46 Removing an RP PCMCIA Card 4-46

Prerequisites 4-47

Required Tools and Equipment 4-47

Steps 4-47

What to Do Next 4-47

How to Install or Remove a Physical Layer Interface Module 4-47

Installing a PLIM 4-47

Prerequisites 4-49

Required Tools and Equipment 4-49

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide

Contents

Steps 4-49 What to Do Next 4-51

Removing a PLIM 4-51

Prerequisites 4-51 Required Tools and Equipment 4-52 Steps 4-52 What to Do Next 4-54

Verifying the Installation of a PLIM 4-54

Troubleshooting the PLIM 4-54

How to Install or Remove a Small Form-Factor Pluggable (SFP) Module 4-55

Installing a Bale-Clasp SFP Module 4-55

Prerequisites 4-55 Required Tools and Equipment 4-55 Steps 4-55 What to Do Next 4-56

Removing a Bale-Clasp SFP Module 4-56

Prerequisites 4-57 Required Tools and Equipment 4-57 Steps 4-57 What to Do Next 4-58

Replacing a SFP on a Line Card that Uses an Articulated Bracket 4-59

CHAPTER

5 Installing and Removing Exterior Components 5-1

Overview of the Exterior Components 5-1

Installing or Removing the Front Side Exterior Components 5-1

Removing the Cable Management Bracket 5-2

Prerequisites 5-2 Required Tools and Equipment 5-2 Steps 5-2 What to Do Next 5-3

Reinstalling the Cable Management Bracket 5-3

Prerequisites 5-4 Required Tools and Equipment 5-4 Steps 5-4 What to Do Next 5-4

Installing the Inlet Grille—Fixed Configuration Power Supply 5-5

Prerequisites 5-5 Required Tools and Equipment 5-5 Steps 5-6

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What to Do Next 5-6 Installing the Inlet Grille—Modular Configuration Power Supply 5-7

Prerequisites 5-7

Required Tools and Equipment 5-7

Steps 5-8

What to Do Next 5-8 Removing the Inlet Grille—Fixed and Modular Configuration Power Supply 5-8

Prerequisites 5-8

Required Tools and Equipment 5-8

Steps 5-8

What to Do Next 5-9 Installing the Front Cover 5-9

Prerequisites 5-9

Required Tools and Equipment 5-9

Steps 5-10

What to Do Next 5-11 Removing the Front Cover 5-11

Prerequisites 5-11

Required Tools and Equipment 5-11

Steps 5-11

What to Do Next 5-12

Contents

APPENDIX

A Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Specifications A-1

B Product IDs for the Cisco CRS 8-Slot Line Card Chassis B-1

Cisco CRS 8-Slot Line Card Chassis Component Product IDs B-1

Optional Line Card, PLIM, SIP, and SPA Product IDs B-3

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Preface

This preface explains the objectives, intended audience, and organization of the Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide and describes the conventions that convey

instructions and other information.

The preface contains the following sections:

• Objective, page xiii

Objective

Audience

• Audience, page xiii

• Document Organization, page xiii

• Document Conventions, page xiv

• Related Documentation, page xv

• Changes to This Document, page xv

• Obtaining Documentation and Submitting a Service Request, page xvii

This installation guide describes how to install power, air circulation, line card, and external components into and remove them from a Cisco CRS Carrier Routing System 8-Slot Line Card Chassis.

This guide is for customers who are responsible for installing the line card chassis components. The reader is expected to have installed networking hardware in the past. No additional knowledge of routing or the Cisco IOS-XR software is assumed.

Document Organization

This guide contains the following chapters and appendixes:

• Chapter 1, “Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview,” introduces the

various line card chassis systems and components.

• Chapter 2, “Installing and Removing Power Components,” details how to bring power to and install

power components in the line card chassis.

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xiii

• Chapter 3, “Installing and Removing Air Circulation Components,” describes how to install the fan

trays and air filters.

• Chapter 4, “Installing and Removing Line Cards, PLIMs, and Associated Components,” provides

instructions on how to install various cards, including modular services cards, switch fabric cards, route processor cards, and the physical layer interface modules.

• Chapter 5, “Installing and Removing Exterior Components,” provides instructions on how to install

the chassis exterior components.

• Appendix A, “Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Specifications,” lists the

specifications for the line card chassis.

• Appendix B, “Product IDs for the Cisco CRS 8-Slot Line Card Chassis” lists the product IDs for

components of the Cisco CRS Carrier Routing System 8-Slot LCC.

Document Conventions

This guide uses the convention where the symbol ^ represents the key labeled Control. For example, the key combination ^z means hold down the Control key while you press the z key.

Command descriptions use these conventions:

• Examples that contain system prompts denote interactive sessions, indicating the commands that

you should enter at the prompt. The system prompt indicates the current level of the EXEC command interpreter. For example, the prompt level, and the prompt privileged level usually requires a password. Refer to the related software configuration and reference documentation listed in Related Cisco CRS Series Documentation for additional information.

router> indicates that you should be at the user

router# indicates that you should be at the privileged level. Access to the

• Commands and keywords are in boldface font.

• Arguments for which you supply values are in italic font.

• Elements in square brackets ([ ]) are optional.

• Alternative but required keywords are grouped in braces ({}) and separated by vertical bars (|).

Examples use these conventions:

• Terminal sessions and sample console screen displays are in screen font.

• Information you enter is in boldface screen font.

• Nonprinting characters, such as passwords, are in angle brackets (< >).

• Default responses to system prompts are in square brackets ([]).

• Exclamation points (!) at the beginning of a line indicate a comment line.

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in

this manual.

Timesaver Means the described action saves time. You can save time by performing the action described in the

paragraph.

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Caution Means reader be careful. You are capable of doing something that might result in equipment damage or

loss of data.

Warning

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Changes to This Document

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

Table 1 Changes to This Document

Revision Date Change Summary

OL-6256-17 January 2014 Added updates to support the Cisco CRS-X, which includes

OL-6256-16 June 2013 Added information about how to replace a SFP on a line card

OL-6256-17

new line cards, switch fabric cards, and PLIMs.

that uses an articulated bracket.

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide

Table 1 Changes to This Document (continued)

Revision Date Change Summary

OL-6256-15 July 2011 Added information about new CRS-LSP Label Switch

Processor (LSP) card to the following sections:

• Chapter 1, “Cisco CRS Carrier Routing System 8-Slot

Line Card Chassis Overview”

• Chapter 4, “Installing and Removing Line Cards, PLIMs,

and Associated Components”

• Appendix A, “Cisco CRS Carrier Routing System 8-Slot

Line Card Chassis Specifications”

OL-6256-14 July 2011 Added new modular configuration AC cord clamp. Updated

Appendix A and added Appendix B. Minor editorial and technical changes were also made.

OL-6256-13 April 2011 Added information about new CRS-8-PRP-6G and

CRS-8-PRP-12G Performance Route Processor (PRP) cards. Technical updates and minor editorial changes were also made.

OL-6256-12 November 2010 Updated grounding and modular configuration power

sections. Minor editorial and technical changes were also made.

OL-6256-11 October 2010 Added information about the new MSC140 and FP140 line

cards; FQ123-140G switch fabric card; 20-port, 14-port, 8-port, and 4-port 10-GE XFP PLIMs; and the 1-port 100-GE CFP PLIM. Minor editorial and technical changes were also made.

OL-6256-10 September 2010 Added new procedures on installing and removing modular

configuration power components to Chapter 2, “Installing

and Removing Power Components.”

OL-6256-09 Jan 2010 Added installation of rear exhaust screen.

OL-6256-08 May 2008 Added new procedures on installing and removing a pillow

block to Chapter 4, “Installing and Removing Line Cards,

PLIMs, and Associated Components.”

OL-6256-07 February 2008 Minor technical changes.

OL-6256-06 August 2007 Updated the document with technical corrections. Also added

procedures in Chapter 5, “Installing and Removing Exterior

Components,” on installing the updated inlet grille.

OL-6256-05 October 2006 Updated the document with technical corrections. Also added

procedures in Chapter 5, “Installing and Removing Exterior

Components,” on installing and removing the front and rear

doors, installing and removing the inlet and exhaust grilles, and added procedures for changing the location of the door hinge and adjusting the width of the chassis doors if the doors do not latch properly.

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Table 1 Changes to This Document (continued)

Revision Date Change Summary

OL-6256-04 April 2006

OL-6256-03 December 2005 Updated Chapter 2, “Unpacking and Mounting the Chassis”

OL-6256-02 March 2005

OL-6256-01 December 2004 Initial release of the document.

• Removed Chapter 2, “Unpacking and Mounting the

Chassis” from this guide to consolidate this information in the Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Unpacking, Moving, and Securing Guide.

• Changed the book title to Cisco CRS Carrier Routing

System 8-Slot Line Card Chassis Installation Guide.

to reflect new packaging.

• Updated Chapter 2, “Unpacking and Mounting the

Chassis” to include information on mounting the chassis in the rack from the rear.

• Updated Chapter 3, “Installing and Removing Power

Components” to include new wiring information.

• Updated Chapter 5, “Installing and Removing MSCs,

PLIMs, and Associated Components” to include information on installing and removing slot covers and impedance carriers.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, 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

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CHA P T ER

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

This installation guide describes how to install the power, air circulation, line card, and external components into and remove them from a Cisco CRS Carrier Routing System 8-Slot Line Card Chassis.

This chapter introduces the Cisco CRS 8-slot line card chassis at the highest level. It contains illustrations of the front and rear of the chassis, complete with callouts to each hardware component. For details on each subsystem discussed in this chapter, see Cisco CRS Carrier Routing System 8-Slot Line Card Chassis System Description.

This chapter presents the following topics:

• Chassis Overview, page 1-1

• Chassis Components, page 1-2

• Chassis Slot Numbers, page 1-9

• Chassis Cable Management, page 1-10

• Chassis Cooling System, page 1-11

• Chassis Power System, page 1-12

• Safety Guidelines, page 1-12

• Preventing Electrostatic Discharge, page 1-13

Chassis Overview

The Cisco CRS 8-slot line card chassis can be installed in locations where the 16-slot system may not fit (for example, colocation facilities, data centers, and many Tier II and Tier III locations). The routing system consists of a single rack-mount chassis that contains the following major system components:

• Up to eight modular services cards (MSCs), forwarding processor (FP) cards, and label switch

processor (LSP) cards, also called line cards (up to eight)

• Physical layer interface modules, or PLIMs (up to eight, one for each line card)

• Route processor (RP) cards (up to two) or performance route processor (PRP) cards (up to two)

• Switch fabric cards (four required)

• SPA Interface Processors (SIPs) and Shared Port Adapters (SPAs) which can be installed instead of

PLIMs

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1-1

Chassis Components

Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

–

SIP is a carrier card that is similar to a PLIM and inserts into a line card chassis slot and interconnects to an MSC, FP, or LSP like a PLIM. Unlike PLIMs, SIPs provide no network connectivity on their own.

–

SPA is a modular type of port adapter that inserts into a subslot of a compatible SIP carrier card to provide network connectivity and increased interface port density. A SIP can hold one or more SPAs, depending on the SIP type and the SPA size. POS/SDH and Gigabit Ethernet SPAs are available.

• A chassis midplane that connects MSCs, FPs, or LSPs to their PLIMs and to switch fabric cards.

The LCC supports 40G, 140G, and 200G fabric cards, as follows:

• The Cisco CRS-1 Carrier Routing System uses fabric cards designed for 40 G operation

(CRS-8-FC/S or CRS-8-FC/M cards).

• The Cisco CRS-3 Carrier Routing System uses fabric cards designed for 140G operation

(CRS-8-FC140/S or CRS-8-FC140/M cards).

• The Cisco CRS-X Carrier Routing Sytsem uses fabric cards designed for 200G operation

(CRS-8-FC400/S cards in 200G mode).

A mixture of 40G, 140G, and 200G fabric cards is not supported except during migration.

Note Throughout this document, the generic term Cisco CRS Carrier Routing system refers to the Cisco

CRS-1, Cisco CRS-3, and Cisco CRS-X Carrier Routing Systems, unless otherwise specified.

Chassis Components

This section lists the main components of a Cisco CRS 8-slot line card chassis. It primarily identifies the components that are considered field-replaceable units (FRUs), but where additional detail is useful identifies subassemblies that are not field replaceable.

Figure 1-1 shows the front view of a Cisco CRS 8-slot line card chassis with a fixed configuration AC

power system installed. The front view of a Cisco CRS 8-slot line card chassis with a fixed configuration DC power system installed is similar.

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Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

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P O

W E

F L

A C F A I

C B T M

L L

P O

W E

R O K

F L

C F A

C B T M

L L

CISCO CRS-1

S E

R I E

LINECARD CHASSIS

Figure 1-1 Front (PLIM) View of Line Card Chassis—Fixed Configuration Power Shown

Chassis Components

1 Cable management bracket 4 Air filter

2 Chassis vertical mounting brackets 5 Power System

3 PLIM and RP slots (RPs in middle 2 slots)

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Chassis Components

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CRS 8-Slot DC Rear

CRS 8-Slot AC Rear

Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

Figure 1-2 shows the rear view of a Cisco CRS 8-slot line card chassis with fixed configuration AC and

DC power systems installed.

Figure 1-2 Rear (MSC) View of Line Card Chassis—Fixed Configuration Power Shown

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Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

CRS 8-Slot DC Front

CRS 8-Slot AC Front

CISCO CRS-1

SER

I E S

LINECARD CHASSIS

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S ERIES

LINECARD CHASSIS

Figure 1-3 shows the front view of a Cisco CRS 8-slot line card chassis with modular configuration AC

and DC power systems installed.

Figure 1-3 Front (PLIM) View of Line Card Chassis—Modular Configuration Power Shown

Chassis Components

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Chassis Components

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CRS 8-Slot DC Rear

CRS 8-Slot AC Rear

Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

Figure 1-4 shows the rear view of a Cisco CRS 8-slot line card chassis with modular configuration AC

and DC power systems installed.

Figure 1-4 Rear (MSC) View of Line Card Chassis—Modular Configuration Shown

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Figure 1-5 shows the rear view of a Cisco CRS 8-slot line card chassis with a fixed configuration AC

power system installed.

Figure 1-5 Rear (MSC) View of Line Card Chassis—Fixed Configuration Shown

Chassis Components

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1 Upper fan tray (beneath cover) 5 Lower fan tray

2 Chassis vertical mounting brackets 6 Rear exhaust screen

3 Switch fabric card (half-height) slots 7 Power system

4 MSC slots

The Cisco CRS 8-slot line card chassis contains:

• As many as eightMSC, FP or LSP cards (all types are also called line cards), and eightPLIMs. The

line card and PLIM are an associated pair of cards that mate through the chassis midplane. The line card provides the forwarding engine for Layer 3 routing of user data, and the PLIM provides the physical interface and connectors for the user data. The line card can be associated with several different PLIMs, which provide different interface speeds and technologies.

Note For a complete list of line cards, route processors, SPAs and SIPs, and interface modules supported in

the Cisco CRS 8-slot line card chassis, go to the Cisco Carrier Routing System Data Sheets at: http://www.cisco.com/en/US/products/ps5763/products_data_sheets_list.html.

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Chassis Components

Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

• A chassis midplane that connects line cards to their associated PLIMs. The midplane design allows

a line card to be removed from the chassis without having to disconnect the cables that are attached to the associated PLIM. The midplane distributes power, connects the line cards to the switch fabric cards, and provides control plane interconnections. The midplane is not field replaceable by the customer.

• One or two route processor cards (RPs). The RPs provide the intelligence of the system by

functioning as the Cisco CRS 8-slot line card chassis system controller (serving as part of the control plane in multi-chassis systems) and providing route processing. Only one RP is required for system operation. For redundant operation, you can order a second RP as an option (CRS-8-RP/R). When two RPs are used, only one RP is active at a time. The second RP acts as a “standby” RP, serving as a backup if the active RP fails.

The RP also monitors system alarms and controls the system fans. LEDS on the front panel indicate active alarm conditions.

A Performance Route Processor (PRP) is also available for the Cisco CRS 8-slot line card chassis. Two PRPs perform the same functions as two RPs, but provide enhanced performance for both route processing and system controller functionality.

Note A chassis may not be populated with a mix of RP and PRP cards. Both route processor cards

should be of the same type (RP or PRP).

• Upper and lower fan trays. The fans pull cool air through the chassis. A removable air filter is located

below the PLIM card cage at the front of the chassis.

• Four half-height switch fabric cards (SFCs). These cards provide the three-stage Benes switch fabric

for the routing system. The switch fabric performs the cross-connect function of the routing system, connecting every MSC (and its associated PLIM) with every other MSC (and its associated PLIM) in the system.

The switch fabric receives user data from one line card and PLIM pair and performs the switching necessary to route the data to the appropriate egress line card and PLIM pair. The switch fabric is divided into eight planes that are used to evenly distribute the traffic across the switch fabric. Each switch fabric card implements two planes of the switch fabric.

• A power system that provides redundant power to the chassis. Two types of power systems are

available: fixed configuration power and modular configuration power. Both power configurations use either AC or DC power. The fixed configuration power solution contains two power distribution units (PDUs), with either one AC rectifier or one DC power entry modules (PEM) per PDU. The modular configuration power solution contains two power shelves with either up to four DC power modules (PMs) or up to three AC PMs per power shelf.

The PLIM side of the chassis is considered the front of the chassis, where user data cables attach to the PLIMs and cool air enters the chassis. The MSC side, which is where warm air is exhausted, is considered the rear of the chassis.

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Chassis Slot Numbers

This section identifies the location and slot numbers for major cards and modules (primarily the field-replaceable units) that plug into the chassis.

Figure 1-6 shows the slot numbering on the front (PLIM) side of the Cisco CRS 8-slot line card chassis.

Figure 1-6 Line Card Chassis Slot Numbering—Front (PLIM) Side

012

RP 0

RP 1

456

Chassis Slot Numbers

Power A Power B

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As shown, the Cisco CRS 8-slot line card chassis numbers on the PLIM side of the chassis include the card cage with:

• Eight PLIM slots: left to right, 0, 1, 2, 3, 4, 5, 6, 7

• Two route processor card slots, RP0 and RP1

• Power shelf A and power shelf B

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Chassis Cable Management

Figure 1-7 shows the slot numbers on the rear (MSC) side of the Cisco CRS 8-slot line card chassis.

Figure 1-7 Line Card Chassis Slot Numbers—Rear (MSC) Side

Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

FAN 0

7654SM 0 SM 2

Power B Power A

SM 1 SM 33210

FAN 1

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As shown, the slot numbers on the MSC side of the chassis include:

• Fan tray 0 and fan tray 1

• Card cage, including:

–

Eight line card slots (0, 1, 2, 3, 4, 5, 6, 7)

–

Four half-height switch fabric card slots (SM0, SM1, SM2, and SM3)

• Power shelf A and Power shelf B

The MSC slot numbers are reversed from the PLIM slot numbers on the other side of the chassis. Because an MSC mates with its associated PLIM through the midplane, MSC slot 0 is on the far right side of the chassis looking at it from the rear (MSC) side.

PLIM slot 0 is on the far left side of the chassis, looking at if from the front (PLIM) side. MSC slot 0 and PLIM slot 0 mate with each other through the midplane, and so do all other MSC and PLIM slots (0 through 7).

Chassis Cable Management

The Cisco CRS 8-slot line card chassis has cable management features for the front (PLIM) side of the chassis, just above the card cage. The horizontal cable management trays have a special telescoping feature that allows them to be extended when the chassis is upgraded with higher-density cards. This extension also helps when installing the cables in the chassis.

Note Do not install the front cover on the chassis when the telescoping feature is in use.

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Figure 1-8 shows the cable management bracket.

Figure 1-8 Cable Management Bracket

Chassis Cooling System

The chassis has two fan trays, each with four fans, that cool the chassis card cages. Cool air flows in at the bottom front of the chassis and flows through the chassis card cages and through the fans in the fan trays before being exhausted through the bottom rear of the chassis (see Figure 1-9). In addition, each AC or DC power module at the bottom of the chassis has self-contained fans that pull in cool air from the front of the chassis and exhaust warm air out the rear.

A replaceable air filter is located on the front of the chassis below the PLIM card cage. Each fixed configuration power module also has a replaceable air filter that attaches to the module at the front (PLIM) side of the chassis. How often the air filters should be replaced depends on the facility environment. In a dirty environment, or when you start getting frequent temperature alarms, you should always check the intake grills for debris, and then check the air filters to see if they need to be replaced.

Note We recommend that you check the air filters once a month. Replace a filter when you notice a significant

amount of dust.

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Fan

Air enters

PLIM side

Power system

Fan

Air exits MSC and fabric card side

Front Rear

Air filter

Chapter 1 Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

Figure 1-9 Airflow Through 8-Slot Line Card Chassis

Chassis Power System

Two types of power systems are available for the Cisco CRS 8-slot line card chassis: fixed configuration power and modular configuration power. Both power systems can be powered by either AC or DC power. The chassis power system takes the facility power and converts it to the DC voltage necessary to power chassis components.

For more information, refer to Chapter 2, “Installing and Removing Power Components.”

Safety Guidelines

Before you perform any procedure in this document, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. The following guidelines are for your safety and to protect equipment. The guidelines do not include all hazards. Be alert.

Note Review the safety warnings listed in Regulatory Compliance and Safety Information that are applicable

to your router before installing, configuring, or troubleshooting any installed card.

• Keep the work area clear and dust-free during and after installation. Do not allow dirt or debris to

enter into any laser-based components.

• Do not wear loose clothing, jewelry, or other items that could get caught in the router while working

with line cards, or their associated components.

• Cisco equipment operates safely when used in accordance with its specifications and product-usage

instructions.

• Be sure to power down a fixed configuration PDU or modular configuration power shelf before

removing it from the chassis.

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Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide

CONTENTS

Preface

Objective

Audience

Document Organization

Document Conventions

Related Documentation

Changes to This Document

Obtaining Documentation and Submitting a Service Request

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Overview

Chassis Overview

Chassis Components

Figure 1-1 Front (PLIM) View of Line Card Chassis—Fixed Configuration Power Shown

Figure 1-2 Rear (MSC) View of Line Card Chassis—Fixed Configuration Power Shown

Figure 1-3 Front (PLIM) View of Line Card Chassis—Modular Configuration Power Shown

Figure 1-4 Rear (MSC) View of Line Card Chassis—Modular Configuration Shown

Figure 1-5 Rear (MSC) View of Line Card Chassis—Fixed Configuration Shown

Chassis Slot Numbers

Figure 1-6 Line Card Chassis Slot Numbering—Front (PLIM) Side

Chassis Cable Management

Figure 1-7 Line Card Chassis Slot Numbers—Rear (MSC) Side

Figure 1-8 Cable Management Bracket

Chassis Cooling System

Chassis Power System

Figure 1-9 Airflow Through 8-Slot Line Card Chassis

Safety Guidelines