Router Installation and Configuration Guide

Contents
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Cisco 7201 Installation and Configuration Guide
OL-11364-04
Removing and Installing a DIMM 4-15
Powering Off the Router and Removing the Cover 4-15
Removing and Installing the DIMM 4-16
Replacing the Cover and Powering On the Router 4-18
CHAPTER 5 Troubleshooting Overview 5-1
Online Troubleshooting Resources 5-2
Problem Solving Using a Subsystems Approach 5-3
Identifying Startup Problems 5-3
Troubleshooting the Power Subsystem 5-4
Troubleshooting the Cooling Subsystem 5-6
Troubleshooting the I/O Subsystem 5-7
Troubleshooting the Processor Subsystem 5-7
Troubleshooting the Port Adapter or Service Adapter 5-8
Upgrading the Boot Helper (Boot Loader) Image 5-8
Boot Prompt: (boot)# 5-9
ROMmon Prompt: rommon > 5-10
Complete Boot Prompt and ROMmon Prompt Example 5-11
Cleaning the Fiber-Optic Connections 5-14
APPENDIX A Specifications A-1
Cisco 7201 Router Specifications A-1
Power Supply Product Numbers A-2
Software Requirements A-3
Processor and Memory Specifications A-3
SFP Module Specifications and Configurations A-4
Gigabit Ethernet RJ-45 Port Pinouts A-6
Gigabit Ethernet Flow Control Information A-9
Console Port and Auxiliary Port Signals and Pinouts A-10
APPENDIX B Using the CompactFlash Disk B-1
Product Description B-1
Hardware and Software Requirements B-2
Tools and Parts Required B-2
Compatibility Requirements B-2
System Memory and Software Image Functions and Interactions B-3
Boot Environment Variables B-3