Contents

 

 

 

Additional Power Subsystem Troubleshooting Information

4-12

 

 

 

Troubleshooting the Power Distribution System 4-14

 

 

 

 

 

 

 

Troubleshooting the Processor Subsystem

4-15

 

 

 

 

 

 

 

Performance Route Processor Overview

4-16

 

 

 

 

 

 

 

PRP PCMCIA Card Slots and Status LEDs 4-16

 

 

 

 

 

 

 

PRP Ethernet Ports and Status LEDs

4-17

 

 

 

 

 

 

 

PRP Auxiliary and Console Ports

4-18

 

 

 

 

 

 

 

PRP Reset Switch 4-18

 

 

 

 

 

 

 

 

 

PRP Alphanumeric Message Displays 4-19

 

 

 

 

 

 

 

PRP Memory Components

4-20

 

 

 

 

 

 

 

 

 

PRP SDRAM

4-22

 

 

 

 

 

 

 

 

 

 

 

PRP SRAM

4-22

 

 

 

 

 

 

 

 

 

 

 

PRP NVRAM

4-23

 

 

 

 

 

 

 

 

 

 

 

PRP Flash Memory

4-23

 

 

 

 

 

 

 

 

 

Troubleshooting the Route Processor

4-24

 

 

 

 

 

 

 

Troubleshooting Using the RP Alphanumeric Display

4-25

 

 

 

 

 

 

Troubleshooting Line Cards

4-27

 

 

 

 

 

 

 

 

 

Troubleshooting Using the Line Card Alphanumeric Display

4-28

 

 

 

Troubleshooting Using the Alarm Display

4-33

 

 

 

 

 

 

 

Monitoring Critical, Major, and Minor Alarm Status

4-34

 

 

 

 

 

 

Troubleshooting the Cooling Subsystem 4-35

 

 

 

 

 

 

 

 

Blower Module Operation

4-36

 

 

 

 

 

 

 

 

 

Power Supply Operation

4-36

 

 

 

 

 

 

 

 

 

Overtemperature Conditions 4-37

 

 

 

 

 

 

 

 

 

Isolating Cooling Subsystem Problems

4-38

 

 

 

 

 

 

Maintaining the Router

 

 

 

 

 

 

 

 

 

 

C H A P T E R 5

5-1

 

 

 

 

 

 

 

 

 

 

 

Prerequisites and Preparation 5-2

 

 

 

 

 

 

 

 

 

Powering Off the Router 5-2

 

 

 

 

 

 

 

 

 

 

 

Removing and Replacing the Air Filter Door Front Cover

5-3

 

 

 

 

 

 

 

 

 

Cisco XR 12410 Router Installation Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL-13832-01

 

 

 

 

 

 

 

 

 

ix

 

 

 

 

 

 

 

 

 

 

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Image 9
Cisco Systems XR 12410 manual PRP Reset Switch PRP Alphanumeric Message Displays