
WAN Module Installation and User Guide iii
Contents
Preface
Introduction -v
Terminology -vi
Conventions -vi
Related Publications -viii
1 Installing the WAN Module
Overview 1-1
Installing the WAN Module 1-2
Ports and Connectors 1-3
Module LEDs 1-4
Installing the WAN Module Software 1-6
2 Configuring the WAN Physical Link
Overview 2-1
Red, Blue, and Yellow Alarms 2-2
Configuring WAN Physical Links 2-2
Cable length 2-3
Clock Source 2-4
Facility Data Link 2-4
Framing 2-4
Inband Loopback Detection 2-5
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