
CONTENTS
ABOUT THIS GUIDE
Introduction  | 9  | 
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Audience 9  | 
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How to Use This Guide  | 9  | |
Conventions  | 10  | 
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Related Documents 12  | ||
3Com Documents  | 12  | |
Cisco Documents  | 13  | |
Reference Documents 13
1 INTRODUCTION
Product Overview   | 
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Edge Router Module Operation  | ||
Edge Router Module Architecture  | ||
Edge Router Module Features   | 
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Software Options  | 
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Topology Switching  | 
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Network Reliability  | 
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IOS Router Software Updates   | ||
Memory Upgrades  | 
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2INSTALLING THE EDGE ROUTER MODULE
Installation Flowchart 
Precautionary Procedures 
Quick Installation 
Quick Installation for Unmanaged Hubs 
Quick Installation for Managed Hubs 
Unpacking Procedures 
Verifying Jumper Plug Positions 
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