Juniper E Series, ERX Series, ERX-1410, ERX-710, ERX-14 Series Hardware Manual

...

E-series™ Routing Platforms

ERX™ Hardwa

Release 7.0.x

re Guide

Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, California 94089

USA

408-745-2000

www.juniper.net

Part Number: 162–xxxxx-00, Revision A00

This product includes the Envoy SNMP Engine, developed by Epilogue Technology, an Integrated Systems Company. C opyright © 1986-1997, Epilogue Technology Corporation. All rights reserved. This program and its documentation were developed at private expense, and no part of them is in the public domain.

This product in

This product includes FreeBSD software developed by the University of California, Berkeley, and its contributors. All of the documentation and software included in the 4.4BSD and 4.4BSD-Lite Releases is copyrighted by the Regents of the University of California. Copyright © 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994. The Regents of the University of California. All rights reserved.

3.0 by Cornell University and its collaborators. Gated is based on Kirton’s EGP, UC Berkeley’s routing daemon (routed), and DCN’s HELLO routing protocol. Development of Gated has been supported in part by the National Science Foundation. Portions of the GateD software copyright © 1988, Regents of the University of California. All rights reserved. Portions of the GateD software copyright © 1991, D. L. S. Associates.

This product i

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Juniper Netw change, mod

E-series™ Routing Platforms ERX™ Hardware Guide, Release 7.0.x

orks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to ify, transfer, or otherwise revise this publication without notice.

Writing: Jo Editing: Be Illustrati Cover Design

Revision History 7 September 2004—Removed software installation chapter, 7.0.x 1 August 2004—Protocol and module combinations appendices moved to new book; minor updates, 6.0.0b1 17 September 2004—Minor updates, 6.0.0b2 1 November 2004—Minor updates, 6.0.x 15 December 2004—Minor updates, 6.1.0b1 7 February 2005—Beta draft, added HA blurb to SRP section, 6.1.0b2 7 March 2005—Updated rack illustrations, moved hw compliances and install guidelines to new Appendix, minor updates, 6.1.x

The information in this document is current as of the date listed in the revision history.

Juniper Netw otherwise r

Products made or sold by Juniper Networks (including the ERX-310, ERX-705, ERX-710, ERX-1410, ERX-1440, M5, M7i, M10, M10i, M20, M40, M40e, M160, M320, and T320 routers, T640 routing node, and the JUNOS and SDX-300 software) or components thereof might be covered by one or more of the following patents that are owned by or licensed to Juniper Networks: U.S. Patent Nos. 5,473,599, 5,905,725, 5,909,440, 6,192,051, 6,333,650, 6,359,479, 6,406,312, 6,429,706, 6,459,579, 6,493,347, 6,538,518, 6,538,899, 6,552,918, 6,567,902, 6,578,186, and 6,590,785.

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hn Borelli, Helen Shaw

n Mann, Fran Mues

on: John Borelli

: Edmonds Design

orks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify, transfer or

evise this publication without notice.

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Table of Cont

ents

About This G

Objectives ............................................................................ xi

Audience..............................................................................xi

E-series Routers..................................................................... xii

Documentation Conventions ...................................................... xii

List of Technical Publications ......................................................xiv

Obtaining Documentation ......................................................... xv

Documentation Feedback.......................................................... xv

Requesting Support.................................................................xvi

Part 1

Chapter 1 E-series Ove

Installing and Using E-series Routers

Overview ..............................................................................3

Where E-series Routers Fit In ........................................................3

E-series Routers.......................................................................5

ERX-14xx Models................................................................5

ERX-7xx Models .................................................................7

ERX-310 Router ..................................................................9

E-series Modules.................................................................... 10

SRP Module......................................................................11

Module Details............................................................. 13

SRP Module Redundancy................................................. 14

Nonvolatile Storage ....................................................... 14

SRP I/O Module ................................................................ 14

Module Details............................................................. 15

Line Modules ................................................................... 15

Packet Classification ...................................................... 16

I/O Modules .................................................................... 16

Network Management Tools ....................................................... 17

CLI Management............................................................... 17

SNMP MIB Management ...................................................... 17

NMC-RX Device Management System ....................................... 17

Redundancy Features............................................................... 17

SRP Modules ................................................................... 17

NVS Cards.................................................................. 18

Line Modules ................................................................... 18

Power ........................................................................... 20

Fans ............................................................................. 21

uide

rview

Table of Contents v

ERX 7.0.x Hardware Guide

Chapter 2 Unpacking and Inspecting E-series Routers

Before You Begin.................................................................... 23

Unpacking ERX-14xx Models ...................................................... 23

Unpacking ERX-7xx Models and ERX-310 Routers .............................. 24

Inspecting E-series Router Components and Accessories ....................... 25

If You Detect or Suspect Damage ................................................. 25

Contacting Juniper Networks ...................................................... 25

The Next Step ....................................................................... 26

Chapter 3 Installing E-series Routers

Before You Begin.................................................................... 27

Freestanding Installation ........................................................... 27

Rack-Mounted Installation ......................................................... 28

Installation Guidelines ......................................................... 28

Safety Guidelines............................................................... 30

Preparing the Equipment Racks .............................................. 32

Installing the Router ........................................................... 32

The Next Step ....................................................................... 33

Chapter 4 Installing Modules

Overview ............................................................................ 35

Slot Groups ..................................................................... 36

Slot Groups for the ERX-1410 Router .................................... 36

Slot Groups for the ERX-7xx Models..................................... 37

Combinations of Line Modules In Slot Groups............................... 38

OC48 Line Modules............................................................ 38

GE-2 Line Modules............................................................. 38

Managing Modules Using the Software....................................... 38

Hot-Swapping Modules........................................................ 38

Protecting Modules and Slots ................................................. 38

Order of Installation ........................................................... 40

Required Tools and Safety Items ............................................. 40

Safety Guidelines ................................................................... 40

Installing SRP I/O and SRP Modules............................................... 41

Installing an SRP I/O Module.................................................. 42

Installing an SRP Module...................................................... 42

Installing Line and I/O Modules.................................................... 44

Installing a Line Module or an I/O Module ................................... 44

Removing a Line Module, SRP Module, or SRP I/O Module ..................... 45

Installing Components for Line Module Redundancy............................ 47

Installing the Line Modules....................................................47

Installing the Redundancy Midplane ......................................... 48

Installing the I/O Modules ..................................................... 49

Verifying the Installation ...................................................... 50

Configuring Line Module Redundancy ............................................ 50

The Next Step ....................................................................... 50

vi Table of Contents

Table of Contents

Chapter 5 Cabling E-series Routers

Cabling Overview................................................................... 51

Required Tools, Wires, and Cables ................................................ 53

Cabling the SRP I/O Module ....................................................... 54

External Timing Ports ......................................................... 54

Management Ports ............................................................ 57

Connecting to the Network............................................... 58

Connecting to a Console Terminal ....................................... 58

Cabling the E-series Router for Power............................................. 58

Task 1: Turn Off All E-series Router Power................................... 61

Task 2: Connect the Grounding Cables....................................... 61

Task 3: Connect the Power Cables............................................ 61

ERX-7xx models, ERX-14xx models, ERX-310 router (DC model) .... 61

ERX-310 router (AC model)............................................... 63

Cabling I/O Modules ................................................................ 64

BNC Connectors................................................................ 64

HSSI Connectors ............................................................... 64

RJ-45 Connectors...............................................................65

RJ-48C Connectors ............................................................. 65

LC Duplex Connectors ......................................................... 66

SC Duplex Connectors......................................................... 66

SMB Connectors................................................................ 68

X.21/V.35 Connectors.......................................................... 69

Redundant Ports ............................................................... 70

The Next Step ....................................................................... 70

Chapter 6 Powering Up E-series Routers

Before You Power Up the System.................................................. 71

Powering Up......................................................................... 71

Initialization Sequence ........................................................ 72

Status LEDs.......................................................................... 73

Powering Down ..................................................................... 73

The Next Step ....................................................................... 73

Chapter 7 Accessing E-series Routers

Setting Up Management Access ................................................... 75

Console Port Setup ................................................................. 76

Using HyperTerminal ......................................................... 76

Connecting Directly to the E-series Router .................................. 76

Assigning an IP Address ....................................................... 78

Telnet Setup ......................................................................... 78

SNMP ................................................................................ 80

The Next Step ....................................................................... 80

Chapter 8 Maintaining E-series Routers

Required Tools and Items .......................................................... 81

Storing Modules and Components ................................................ 82

Table of Contents vii

ERX 7.0.x Hardware Guide

Cleaning the System................................................................ 82

Upgrading NVS Cards on SRP Modules ........................................... 83

Upgrading a System That Contains One SRP Module....................... 83

Upgrading a System That Contains Two SRP Modules ...................... 84

Replacing an NVS Card ........................................................ 85

Upgrading Memory on SRP Modules.............................................. 86

Checking the Memory Installed............................................... 87

Removing SODIMMs........................................................... 87

Adding New SODIMMs ........................................................ 87

Verifying the Upgrade ......................................................... 89

Replacing SFPs on GE I/O Modules................................................ 89

Removing SFPs................................................................. 89

Installing SFPs.................................................................. 90

Verifying the Installation ...................................................... 93

Replacing Fan Trays ................................................................ 93

Removing the Fan Tray ........................................................ 95

Installing the Fan Tray ........................................................95

Installing a Cable-Management Bracket on ERX-7xx Models ................... 96

Chapter 9 Troubleshooting

Diagnosing Problems............................................................... 99

Initialization Sequence ........................................................ 99

Troubleshooting Power Failures...................................................100

Understanding Status LEDs to Troubleshoot.....................................100

LED Identification............................................................. 101

LED Activity ...................................................................106

Redundancy Status ...........................................................109

Monitoring Temperatures of Modules............................................109

Resetting Line Modules and SRP Modules ....................................... 110

Double-Bit Errors on SRP Modules ............................................... 110

Detecting Double-Bit Errors .................................................. 110

Fixing Double-Bit Errors...................................................... 111

Chapter 10 System Specifications

ERX-14xx Models Specifications ................................................. 113

ERX-7xx Models Specifications...................................................116

ERX-310 Router Specifications ................................................... 119

Part 2

Appendixes

113

Appendix A Installation Guidelines and Requirements

Your Preinstallation Responsibilities .............................................125

Environmental Requirements.....................................................126

Regulatory Compliances ..........................................................126

Safety Guidelines ..................................................................126

viii Table of Contents

125

Table of Contents

ERX-310 Power Cord Warnings (AC Model) .................................128

Equipment Rack Requirements...................................................128

Mechanical Requirements....................................................130

Space Requirements..........................................................130

Proper Rack Installation ......................................................130

Cabling Recommendations .......................................................131

Hardware Compliance.............................................................132

Federal Communications Commission (FCC) Statement ..................132

FCC Requirements For Consumer Products ................................133

Food and Drug Administration, Center for Devices and Radiological

Health..........................................................................133

Canadian Department Of Communications Radio Interference

Regulations ....................................................................133

Réglement sur le brouillage radioélectrique du ministère des

communications ..............................................................133

Industry Canada Notice CS-03...............................................133

Avis CS-03 d’Industrie Canada...............................................134

D.O.C. Explanatory Notes: Equipment Attachment Limitations ..........135

Notes explicatives du ministère des Communications: limites visant les

accessoires ....................................................................135

EC Declaration of Conformity................................................136

Voluntary Control Council for Interference (VCCI) Statement for Japan ..136

Appendix B Cable Pinouts

SRP I/O Module ....................................................................13

CT1andCE1I/OMod

Appendix C Customer Support

Contacting Customer Support ....................................................145

Return Procedure ..................................................................145

Locating Component Serial Numbers ...........................................146

Information You Might Need to Supply to JTAC .................................147

Tools and Parts Required..........................................................148

Returning Products for Repair or Replacement .................................148

Packing Instructions for Returning a Chassis ...............................148

Appendix D Declaration of Conformity

Declaration of Conformity ........................................................151

Part 3

Index

Index................................................................................155

ules.........................................................140

137

145

151

Table of Contents ix

ERX 7.0.x Hardware Guide

x Table of Contents

About This Gu

This preface p rovides the following guidelines for using this m anual and related Juniper Networks, Inc., technical documents:

Objectives on p age xi

ide

Objective

Audience on

E-series Routers on page xii

Documentation Conventions on page xii

List of Tech

Obtaining Doc um entation on page xv

Documentation Feedback on page xv

Requesting

page xi

nical Publications on page xiv

Support on page xvi

This E-seri to install and start the E -series router.

NOTE: An E-s install a fu tu re release or reinstall the system software, see Appendix B, Installing JUNOSe Software.

If the information in the latest Release Notes differs from the information in this guide

es™ Routing Platforms Hardware Guide provides the information you need

eries router is shipped with the latest system software installed. To

, follow the Release Notes.

Audience

This guide E-series routers in an Internet access environment.

is intended for experienced system and network specialists working with

Audience xi

ERX 7.0.x Hardware Guide

To use this guide, you need a broad understanding of networks in general, the Internet in pa also be familiar with one or more of the following Internet routing protocols:

Border Gateway Protocol (BGP)

Routing Information Protocol (RIP)

Intermediate System-to-Intermediate System (IS-IS)

Open Shortest Path First (OSPF)

Internet Control Message Protocol (ICMP) router discovery

Internet Group Management Protocol (IGMP)

Distance Vector Multicast Routing Protocol (DVMRP)

Protocol-Independent Multicast (PIM)

rticular, networking principles, and network configuration. You m ust

E-series Routers

Multiprotocol Label Switching (MPLS)

Resource Reservation Protocol (RSVP)

Simple Network Management Protocol (SNMP)

Five models of E-series routers are available:

ERX-1440 router

ERX-1410 router

ERX-710 router

ERX-705 router

ERX-310 router

All models use the same software. For information about the differences between themodels,seetheE-seriesHardwareGuide.

In the E-series documentation, the term ERX-14xx models refers to both th e ERX-1440 ro refers to both the ERX-710 router and the ERX-705 router. Other E-series router designations refer to specific models.

uter and the ERX-1410 router. Similarly, the term ERX-7xx models

Documentation Conventions

Table 1 defines the notice icons used in this guide.

xii Documentation Conventions

Table 1: Notice Icons

Icon Meaning Description

Informational note Indicates important features or

instructions.

Caution

Indicates a situation that might result in loss of data or hardware damage.

About This Guide

Table 2 defin

Warning

es text conventions used in this guide and the command syntax

Alertsyoutotheriskofpersonalinjury or death.

conventions used primarily in the JUNOSe Command Reference Guide.Formore information about command syntax, see the JUNOSe System Basics Configuration

Guide, Chap

Table 2: Tex

Convention Description Examples

Text Conventions

Bold typeface Represents names of commands and

Bold sans serif typeface

Fixed-width typeface

Italic ty

+ (plus sign) linking key names Indicates that you must press two or

Syntax Conventions in the Command Reference Guide

Plain typeface Represents keywords. terminal length

Italic typeface

|(pipesymbol)

[ ] (square brackets) Enclose an optional choice of a single

t and Syntax Conventions

peface

ter 2, Command Line Interface.

keywords in text.

Represents text that you must type.

Represents output on the term i nal screen.

Emphasizes words.

Identifies variables.

Identifies chapter, appendix, and book names.

more keys simultaneously.

Represents variables.

Indicates a choice between the keywords or variables on either side of the symbol. (Specifying a choice can be either optional or required.)

keyword or variable.

Issue the clock source command.

Specify the keyword exp-msg.

host1(config)#traffic class low-loss1

host1#show ip community list Community standard list 1

permit 0:100 0:200 0:300

There are two levels of access,

user and privileged .

clusterId , ipAddress.

Appendix A, System

Specifications.

Press Ctrl+b.

mask , accessListName

diagnostic | line

[ internal | external ]

Documentation Conventions xiii

ERX 7.0.x Hardware Guide

Convention Description Examples

[ ]* (square brackets and the asterisk) Enclose an optional choice of one or

more keywords or variables.

{}(braces)

Enclosearequ keyword or variable.

ired choice of a single

[level1|level2|l1]*

{ permit | deny } { in | out }

{ clusterId | ipAddress }

List of Technical Publications

Table 3 lists and describes the E-series document set. A complete list of abbreviations used in this document set, along with their spelled-out terms, is provided in the JUNOSe System Basics Configuration Guide, Appendix A, Abbreviations and Acronyms .

Table 3: Juniper Networks E-series Technical Publications

Document Description

E-series Hardware Guide

E-series Module Guide

JUNOSe System Basics Configuration Guide

JUNOSe Physical Layer Configuration Guide

JUNOSe Link Layer Configuration Guide

JUNOSe Routing Protocols Configuration Guide, Vol. 1

JUNOSe Routing Protocols Configuration Guide, Vol. 2

JUNOSe Policy and QoS Configuration Guide

JUNOSe Broadband Access Configuration Guide

Provides the necessary procedures for getting the router operational, including information on installing, cabling, powering up, configuring the router for management access, and general troubleshooting. Describes SRP modules, line modules, and I/O modules available for the E-series routers.

Provides detailed specifications for line modules and I/O modules, and information about the compatibility of these modules with JUNOSe software releases. Lists the layer 2 protocols, layer 3 protocols, and applications that line modules and their corresponding I/O modules support. Provides module LED information.

Describes planning and configuring your network, installing JUNOSe software, managing the router, configuring passwords and security, configuring the router clock, and configuring virtual routers. Includes a list of references that provide information on the protocols and features supported by the router.

Describes configuring physical layer interfaces.

Describes configuring link layer interfaces.

Provides information about configuring routing policy and configuring IP, IP routing, and IP security.

Describes BGP routing, MPLS, BGP-MPLS VPNs, and encapsulation of layer 2 services.

Provides information about configuring policy management and qua

Provides information about configuring remote access.

lity of service (QoS).

xiv List of Technical Publications

Document Description

JUNOSe Command Reference Guide AtoM

JUNOSe Command Reference Guide N to Z

JUNOSe Comprehensive Index

Release Note

JUNOSe Release Notes

Together comprise the JUNOSe Command Reference Guide. Contain important information about commands

implemented in the system software. Use to look up command descriptions, command syntax, a command’s related mode, or a description of a command’s parameters. Use with the JUNOSe configuration guides.

ProvidesacompleteindexoftheJUNOSesoftware documentation set.

In the Release Notes, you will find the latest information about features, changes, known problems, resolved problems, and system maximum values. If the information in the Release Notes differs from the information found in the documentation set, follow the Release Notes.

Release notes are included on the corresponding software CD and are available on the Web.

About This Guide

Obtaining Documentation

To obtain the most current version of all Juniper Networks technical documentation, see the products documentation page on the Juniper Networks Web site at

http://www.juniper.net/.

To order printed copies of this guide and other Juniper Networks technical documents, or to order a documentation CD, which contains this guide, contact your sales representative.

Copies of the Management Information Bases (MIBs) available in a software release are included on the documentation CDs and at

Documentation Feedback

We encourage you to provide feedback, comments, and suggestions so that we can improve the documentation. You can send your comments to

techpubs-comments@juniper.net, or fill out the documentation feedback form at

http://www.juniper.net/techpubs/docbug/docbugreport.html. If you are using e-mail, be

sure to include the following information with your comments:

Document nam e

Document part number

http://www.juniper.net/.

Page number

Software release version

Documentation Feedback xv

ERX 7.0.x Hardware Guide

Requesting Suppor t

For technical support, open a support case with the Case Manager link at

http://www.j

uniper.net/support/

or call 1-888-314-JTAC (from the United States,

Canada, or Mexico) or 1-408-745-9500 (from elsewhere).

xvi Requesting Support

Part 1

Installing and Using E-series Routers

E-series O verview on page 3

Unpacking an

Installing E-series Routers on page 27

Installing Modules on page 35

Cabling E-se

Powering Up E-series Routers on page 71

Accessing E-series Routers on page 75

Maintainin

Troubleshooting on page 99

System Specific ati ons on page 11 3

d Inspecting E-series Routers on page 23

ries Routers on p age 51

g E-series Routers on page 81

Installing and Using E-series Routers 1

2 Installing and Using E-series Routers

Chapter 1

E-series Ove

This chapter provides introductory information about the E-series routers. It contains the following sections:

Overview on page 3

Where E-ser

E-series Routers on page 5

E-series Modules on page 10

Network Man

Redundancy Features on page 17

Overview

E-series routers are modular, carrier-class networking devices that deliver performance, reliability, and service differentiation to both business and consumer I low power consumption, and fully redundant Internet access routing and edge aggregation. The ERX-310 router supports the same services, but with small complete edge solution for IP-optimized carriers.

rview

ies Routers Fit In on page 3

agement Tools on page 17

nternet users. The ERX-7xx/14xx models offer high port density,

er capacity and scaling capabilities. E-series routers offer the

Where E-s

eries Routers Fit In

Communic and Figure 2 illustrate the location of E-series routers as an edge router in an end-to-end Internet network. In Figure 1, the customers are businesses using T1/ subscriber lines (DSLs) with a DSL access multiplexer (DS LAM ).

ations with the router can take place over a variety of media. Figure 1

T3 communication lines. In Figure 2, the customers are using digital

Where E-series Routers Fit In 3

ERX 7.0.x Hardware Guide

Figure 1: E-series Router Communicating over T1/T3 Lines

Internet

Hub

Remote

access

router

Desktop

T1/T3

ERX

OC3

Core

router

Figure 2: E-series Router Communicating over DSL Lines

Internet

Home office

DSLAM

DS3

ERX

OC3

Core

router

Remote

access

router

Remote

access

router

Hub

Desktop

Hub

g013033

Home office

Figure

CPE

In Figure 3, the ERX-310 router is being used as an access router in a small POP location. The router is deployed by the service provider at the custom

3: ERX-310 Router Deployed in a Small POP

xDSL T1/E1 T3/E3

er site as a CPE (customer premises equipment).

SONET or ATM

infrastructure

OC3/12

cOC3

cOC12

ERX

OC3

VPN

ISP

Desktop

g013726

g013034

4 Where E-series Routers Fit In

E-series Routers

E-series Overview

Five models of E-series routers are available:

ERX-1440 router

ERX-1410 router

ERX-710 router

ERX-705 router

ERX-310 router

All models use the same software. However, the specific model determines the:

Combination of line modules supported

Conditions for line rate performance of line modules

ERX-14xx Models

Type, capacity, and number of SRP modules used

NOTE: In the Ethe ERX-1440 router and the ERX-1410 router. The terms ERX-1440 router and ERX-1410 router refer to the specific models. See Figure 4 and Figure 5.

The ERX-1440 router manages an extremely high volume of network traffic, and uses a 40-Gbps switch route p rocessor (SRP) mo du le, either the SRP-40G or SRP-40G+ mod however, the software continues to support both modules.) In this model, all line modules operate at full wire speed simultaneously.

The ERX-1410 router manages high levels of network traffic, and uses the 10-Gbps SRP module (S line m odule s either to operate a t full line rate performance or to allow line modules to operate at a rate dependent on the resources available. The former option rest configuring performance of line modules, see JUNOSe System Basics Configuration Guide, Chapter 5, Managing Lin e Modules and SRP M odules.

NOTE: Th e 10 10-Gbps SRP module used in the ERX-1410 router. See section “SRP Module” on page 11 for more in formation.

series documentation, the term ERX-14xx models refers to both

ule. (The SRP-40G+ module obsoletes the SRP-40G module;

RP-10G). You can configure the ERX-1410 router to enable the

ricts the allowed combination s of line modules. For information on

-Gbps SRP module used in the ERX-310 router is different from the

Externally, the ERX-1440 chassis is the same as the ERX-1410 chassis (see Figure 4 and Figure 5). Both routers contain 14 vertical slots to accommodate modules.

E-series Routers 5

ERX 7.0.x Hardware Guide

Internally, the ERX-1440 chassis differs from the ERX-1410 chassis, and includes a spe

cial midplane for the 40-Gbps SRP module.

Installation systems. All ERX-7xx/14xx models use the same SRP I/O module, but different power input modules are used.

NOTE: The rout chapter, depending on the line modules in the slots.

Figure 4: ERX-14xx Model, Front View

Fan tray

behind bezel

Line module

SRP module

procedures and operating procedures are identical for both

er may look different from the routers shown in the figures in this

PCMCIA slot

Air filter (optional)

behind bezel

Bezel

g013727

Cable

management

bracket

6 E-series Routers

Figure 5: ERX-14xx Model, Rear View

I/O

module

SRP I/O

module

Power input

module

E-series Overview

Fan tray

ERX-7xx

Models

Cable

management

bracket

Plenum

g013728

NOTE: In the E-series documentation, the term ERX-7xx models refers to both the ERX-705

router and the ERX-710 router. The terms ERX-705 router and ERX-710

router refer to t he specific models. See Figure 6 and Figure 7.

The ERX-

7xx models are robust, high-density routers with less capacity than the ERX-14xx models. The ERX-7xx models use either the SRP-10G module or the SRP-5G module.

You can configure the ERX-7xx models to enable the line modules to operate either

line rate performance or at a rate dependent on the resources available. For

at full information about configuring performance of line modules, see JUNOSe System Basics Configuration Guide, Chapter 5, Managing Lin e Modules and SRP Mo dules .

NOTE: Th

e 10-Gbps SRP module used in the ERX-310 router is different from the 10-Gbps SRP module used in the ERX-710 router. See “SRP Module” on page 11 for more information.

E-series Routers 7

ERX 7.0.x Hardware Guide

The ERX-705 chassis is the same as the ERX-710 chassis (see Figure 6 and Figure 7). The chassis co

ntains seven slots to accommodate m o dule s. Installation procedures and operating procedures are identical for both systems. All ERX-7xx/14xx models use the same SRP I/O module, but different power input modules are used.

NOTE: The rout chapter, depending on the line modules in the slots.

Figure 6: ERX-7xx Model, Front View

Line module

Fan tray

SRP module

Figure 7: E

RX-7xx Model, Rear View

er may look different from the routers shown in the figures in this

PCMCIA slot

g013729

8 E-series Routers

I/O

modules

Power input

module

Power switches

SRP I/O module

g013730

ERX-310 Router

E-series Overview

The ERX-310 router is a low-end platform that supports all of the same services as th

e ERX-7xx/14xx models, but with smaller capacity and scaling capabilities. Like the ERX-7xx/14xx models, the ERX-310 router uses the same software architecture, providing a single IP entry point into the network with the same

IP-based protocols and services that are available on other E-series routers. The ERX-310 router is designed to be used as a small distributed POP router as well as a high-end CPE router.

The ERX-310 router is a three-slot chassis with a midplane architecture. One slot supports one

nonredundant 10-Gbps SRP module, while the other two slots support line modules. The router supports existing E-series ASIC-based line m odules (except the OC48/STM16 line module), as well a s a select number of combination cards. The combina

tion cards provide a fixed combination of interfaces on the I/O module

so that a single slot can support multiple interfaces (ATM OC3 and GE, for example).

NOTE: The 10-Gbps SRP module used in the ERX-310 router is d ifferent from the 10-Gbps SRP

module used in the ERX-7xx/14xx models. See section “SRP Module” on page 11for more information.

Figure 8: ER

The ERX-310

X-310 Router, Front View (AC M odel)

Fan tray

NOTE: DC

router is available in either redundant AC- or DC-powered models.

SRP module

AC power

supply A

model has blank filler panels in power supply slots.

Line modules

AC power

supply B

PCMCIA slot

g013731

E-series Routers 9

ERX 7.0.x Hardware Guide

Figure 9: ERX-310 Router, Rear View (AC Model)

g013732

I/O module

SRP I/O module

ESD grounding jack

AC power inputs and switches A and B

Grounding posts

Figure 10:

E-seri

es Modules

ERX-310 Router, Rear View (DC Model)

g013733

The sys

tem supports an SRP module and a selection of line modules. You can use any line module for access or uplink . Access line modules receive traffic from low-speed circuits, and th e system routes the traffic onto higher-speed

k line modules and then to the core of the network.

uplin

I/O module

SRP I/O module

ESD grounding jack

DC power inputs and switches A and B

Grounding posts

10 E-series Modules

Each m

oduleconnectstoacorrespondingI/Omoduleviaapassive midplane. See Figure 11.

The front panel of each module contains a collection of status LEDs (light-emitting diodes). For information about how to interpret the

see “Troubleshooting” on page 99.

LEDs,

Figure 11: Modules in ERX-14xx Model

E-series Overview

Line modules

SRP modules

Line modules

I/O modules

SRP I/O

module

I/O modules

Connection via passive midplane

g013734

SRP Module

NOTE: So

me line modules require a minimu m amount of memory to be used with JUNOSe Release 5.3.0 or a higher-numbered release. Refer to the E-series Module Guide for line module specifications.

Switch route processor (SRP) modules perform system management, routing

alculations and maintenance, forwarding table computations, statistics

table c processing, configuration storage, and other control plane functions. Each SRP module is a PowerPC-based system with its own memory, nonvolatile disk

e, and power supply (see Figure 12 and Figure 13).

storag

E-series Modules 11

ERX 7.0.x Hardware Guide

Figure 12: ERX-7xx/14xx SRP Module

Ejector

Status LEDs

Fabric board

Midplane connectors

Board reset

button

NMI button

PCMCIA NVS card

System processor board

g013735

12 E-series Modules

Figure 13: ERX-310 SRP Module

Ejector

Status

LEDs

E-series Overview

g013736

Midplane connectors

PCMCIA

NVS card

Board reset

button

NMI button

Integrated fabric system processor board

Module Details

ERX-7xx/14xx models use up to two redundant SRP modules operating in an

/standby configuration. ERX-310 routers use only one SRP module. An

active SRP module must be present for any system to boot.

SRP modules ranging from 5 Gbps to 40 Gbps can be used in ERX-7xx/14xx models. Onlya10-GbpsSRPmodule(SRP-SE10G)canbeusedinERX-310

rs. See E-series Module Guide for complete information.

route

NOTE: Because of different physical dimensions and switch fabric capabilities, SRP modules are not interchangeable between systems. For example, the 10-Gbps SRP module and vice versa.

used in ERX-7xx/14xx models cannot be used in the ERX-310 router,

E-series Modules 13

ERX 7.0.x Hardware Guide

CAUTION: Do not remove the SRP module while the system is running.

NOTE: Some SRP mod ules require a minimum amount of memory to be used with

JUNOSe Release Guide for module specifications.

5.3.0 or a higher-numbered release. Refer to E-series Module

SRP I/O Module

For details abo

ut installing SRP modules, see “Installing Modules” on page 35.

SRP Module Redundancy

SRP module redundancy is available only for ERX-7x x/14xx models. See “Redundancy F

eatures” on page 17 later in this chapter, for more information.

Nonvolatile Storage

ThePCMCIAslotonthefrontoftheSRPmoduleholdsaTypeIIPCMCIAnonvolatile storage (NVS) system’s software and configuration files. The PCMCIA c ard is factory installed.

CAUTION: Alth router, we recommend that you do not do so. If you remove the card while data is being written to or copied from the NVS card, data may be lost or corrupted. Therefore, Ju before removing a PCMCIA NVS card.

card (see Figure 12 and Figure 13). Th is card is loa ded with the

ough you can remove PCMCIA NVS (Flash) cards from a running

niper Networks strongly recommends that you shut down the router

14 E-series Modules

The SRP I/O module is a single corresponding input/output module that interfaces with the SRP module(s) through the system’s midplane. The same SRP I/O module work used in ERX-7xx/14xx models cannot be used in the ERX-310 router, and vice versa. See Figure 5, Figure 7, and Figure 9 for locations.

s w ith all SRP modules, but is router specific. The I/O module

+ 145 hidden pages

Juniper E Series, ERX Series, ERX-1410, ERX-710, ERX-14 Series Hardware Manual

Specifications and Main Features

Frequently Asked Questions

User Manual