Table of Contents
About This Guide xv
Objectives ......................................................................................................xv
Audience .......................................................................................................xv
Supported Routing Platforms ........................................................................xvi
How to Use This Manual ...............................................................................xvi
Document Conventions ..............................................................................xviii
JUNOS Software Documentation for J-series Services Routers and SRX-series
Services Gateways ...................................................................................xx
Documentation Feedback .............................................................................xxi
Requesting Technical Support ......................................................................xxii

Part 1 Services Router Overview

Chapter 1 Overview of Services Routers 3
J2320 Services Router Overview .....................................................................3
J2350 Services Router Overview .....................................................................4
J4350 Services Router Overview .....................................................................5
J6350 Services Router Overview .....................................................................6
Chapter 2 J-series Services Router Hardware Features 7
J2320 and J2350 Services Router Hardware Features ......................................7
J2320 and J2350 Chassis ...........................................................................8
J2320 and J2350 Midplane ......................................................................12
J2320 and J2350 Routing Engine Hardware ............................................12
J2320 and J2350 Boot Devices ................................................................12
J2320 and J2350 Front Panel ..................................................................13
Physical Interface Modules (PIMs) ....................................................14
Power Button and POWER LED ........................................................14
STATUS LED .....................................................................................15
ALARM LED ......................................................................................15
HA LED ............................................................................................16
RESET CONFIG Button .....................................................................16
Built-In Gigabit Ethernet Ports ..........................................................17
Console Port .....................................................................................17
AUX Port ..........................................................................................17
USB Port ...........................................................................................17
Table of Contents vii