Table of Contents
About This Guide xix
Objectives.......... ............................ ............................ .........xix
Audience........................ .................................... .................xix
DocumentationConventions ......................................................xix
Listof TechnicalPublications........................................... ...........xxi
DocumentationFeedback........................................................xxiii
RequestingSupport...............................................................xxiii

Part 1 Product Overview

Chapter 1 System Overview .. 3
SystemDescription...................................................................3
Field-ReplaceableUnits(FRUs)............. .......................... ...............4
SystemRedundancy..................................................................4
Safety Requirements,Warnings,andGuidelines...................................5
Chapter 2 Hardware Component Overview .. 7
Chassis.................................................................................7
PacketForwardingEngine..........................................................11
Midplane........................................................................12
Physical Interface Cards(PICs)................................................13
PICComponents... .............................. ......................... 14
FlexiblePIC Concentrators(FPCs)............................................14
FPCComponents........................................... ............... 16
FPC Types..................................................................17
PacketForwardingEngineClockGenerators(PCGs)........................18
PCG Components.........................................................19
SwitchingandForwardingModule(SFM)............. ....................... 19
SFM Components.........................................................20
HostModule.......................................... .............................. .22
RoutingEngine.................................................................23
RoutingEngineComponents.............................................24
MiscellaneousControlSubsystem(MCS).....................................25
MCS Components.........................................................26
CraftInterface.............................................................. ......... 27
AlarmLEDsandAlarmCutoff/LampTestButton............................28
LCDandNavigationButtons................................... ............... 29
LCD IdleMode.............................................................29
LCD AlarmMode..........................................................30
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