User Manual

Ta ble o f C o n t e n t s
iii
Table of Contents
About This Manual
Objectives...........................................................................................................xvii
Audience............................................................................................................. xvii
Document Organization..................................................................................... xviii
List of Technical Publications............................................................................. xviii
Documentation Conventions ................................................................................xx
Contact Juniper Networks .....................................................................................xx
Documentation Feedback ....................................................................................xxi
Part 1
Product Overview
Chapter 1
System Overview .....................................................................................................3
System Description.................................................................................................3
Field-Replaceable Units (FRUs)................................................................................4
Component Redundancy ........................................................................................4
Safety Requirements, Warnings, and Guidelines.....................................................5
System Specifications .............................................................................................5
Chapter 2
Hardware Component Overview .....................................................................7
Chassis....................................................................................................................8
Packet Forwarding Engine ......................................................................................9
Backplane......................................................................................................10
Physical Interface Cards (PICs) ......................................................................10
PIC Components ....................................................................................11
Flexible PIC Concentrators (FPCs)..................................................................11
FPC Components....................................................................................12
System Control Board (SCB) ..........................................................................13
SCB Components....................................................................................13
Routing Engine .....................................................................................................15
Routing Engine Components .........................................................................15