Router Installation Guide

v
Cisco XR 12404 Router Installation Guide
OL-13830-02
CONTENTS
About This Guide ix
Audience ix
Purpose ix
Installation Guide Organization x
Document Conventions xi
Obtaining Documentation, Obtaining Support, and Security Guidelines xii
CHAPTER 1 Cisco XR 12404 Router Overview 1-1
Router Overview 1-1
Physical and Functional Description of Router 1-2
Route Processor 1-3
Performance Route Processor Overview 1-5
PRP Memory Components 1-9
Supported Line Cards 1-13
Consolidated Switch Fabric Card 1-15
Alarm Functionality 1-15
Switch Fabric Functionality 1-17
Clock and Scheduler Functionality 1-17
Power Entry Modules 1-17
AC PEMs 1-18
DC PEMs 1-19
Power Distribution 1-20
Fan Tray Assembly 1-20
todd.book Page v Tuesday, July 24, 2007 3:54 PM