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Introduction 9
Audience 9
How to Use This Guide 9
Conventions 10
Related Documents 12
3Com Documents 12
Cisco Documents 13
Reference Documents 13
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Product Overview 1-1
Edge Router Module Operation 1-1
Edge Router Module Architecture 1-3
Edge Router Module Features 1-5
Software Options 1-5
Topology Switching 1-7
Network Reliability 1-7
IOS Router Software Updates 1-8
Memory Upgrades 1-9
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Installation Flowchart 2-2
Precautionary Procedures 2-3
Quick Installation 2-3
Quick Installation for Unmanaged Hubs 2-4
Quick Installation for Managed Hubs 2-5
Unpacking Procedures 2-6
Verifying Jumper Plug Positions 2-7