Cisco ASR 9001 Installation Guide

Troubleshooting Overview 197
Troubleshooting Using a Subsystem Approach 197
Normal Router Startup Sequence 199
Identifying Startup Issues 199
Troubleshooting the Power Subsystem 203
Troubleshooting the AC Input Power Subsystem 203
Troubleshooting the DC Input Power Subsystem 208
Troubleshooting a DC Power Module 210
Additional Power Subsystem Troubleshooting Information 211
Obtaining Temperature and Environmental Information 211
Troubleshooting the Power Distribution System 214
Troubleshooting the Route Processor Subsystem 215
RSP and RP Front Panel Indicators 215
Fabric Card Front Panel Indicator 215
Troubleshooting Line Cards and Modular Port Adapters 216
Monitoring Critical, Major, and Minor Alarm Status 216
Troubleshooting the Cooling Subsystem 216
Chassis Cooling Requirements 217
Fan Tray Operation 217
Power Module Fans 218
Overtemperature Conditions 218
Isolating Cooling Subsystem Problems 219
Replacing Cisco ASR 9000 Series Router Components 221
CHAPTER 5
Prerequisites and Preparation 221
Field Replaceable Units 222
Online Insertion and Removal 223
OIR Monitoring 223
Powering Off the Router 223
Replacing the Chassis Air Filter 224
Removing and Replacing the Fan Trays 230
Prerequisites 230
Required Tools and Equipment 230
Removing a Fan Tray 230
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
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Contents

Cisco ASR 9001 Specifications

General

Brand	Cisco
Model	ASR 9001
Category	Network Router
Language	English