ERX Hardware Guide
 Series Routing Platforms ERX Hardware Guide, Release
 End User License Agreement
Page
 Table of Contents
 Chapter Unpacking and Inspecting ERX Routers
Part Initial Installation
 Chapter Cabling ERX Routers
 Part
Procedures
 Part Appendixes
Appendix a System Specifications
 Part Index
 Objectives
About This Guide
Audience
 Documentation Conventions
Series Routers
Icon Meaning Description
Convention Description Examples
 List of Technical Publications
Issue the clock source
 Xiv
 JUNOSe Software Guides
 Xvi
 Documentation Feedback
Obtaining Documentation
 Requesting Support
 Product Overview
 Product Overview
 Overview
ERX Overview
ERX Routers
 ERX-14xx Models
 ERX-14xx Models, Front View
 ERX-14xx Models, Rear View
ERX-7xx Models
 ERX-7xx Models, Front View
 ERX-310 Router, Front View AC Model
ERX-310 Router
 ERX-310 Router, Rear View AC Model
ERX Modules
 Modules in ERX-14xx Models
SRP Module
 SRP Module for ERX-7xx and ERX-14xx Models
 Module Details
 SRP I/O Module
SRP Module Redundancy
 Line Modules
 Representative Line Module
Modules
 Network Management Tools
Redundancy Features
 NVS Cards
 Shows the data flow when a spare line module becomes active
 Data Flow When a Spare Line Module Is Active
Power
 Fans
 Initial Installation
 Initial Installation
 Before You Begin
Unpacking and Inspecting ERX Routers
Unpacking ERX-14xx Models
 Removing an L-Bracket
Unpacking ERX-7xx Models and ERX-310 Routers
 If You Detect or Suspect Damage
Inspecting Router Components and Accessories
Contacting Juniper Networks
Next Step
 ERX 8.0.x Hardware Guide Next Step
 Freestanding Installation
Installing ERX Routers
 Installation Guidelines
Rack-Mounted Installation
 Installing ERX Routers
 ERX Routers Installed in Recommended Order
Safety Guidelines
 Installing ERX Routers Rack-Mounted Installation
 Preparing the Equipment Racks
Installing the Router
 Next Step
 ERX 8.0.x Hardware Guide Next Step
 Installing Modules
 Orientation of Line Modules in ERX Routers
Slot Groups
 Slot Groups for the ERX-7xx Models
 Combinations of Line Modules In Slot Groups
Managing Modules Using the Software
OC48 Line Modules
GE-2 Line Modules
 Grounding Jack Locations Series Router
Connecting the Wrist Strap to the ERX-310 Router Rear
 Required Tools and Safety Items
Order of Installation
Safety Guidelines
 SRP Module Slot Assignments Router
Installing SRP I/O and SRP Modules
 Installing an SRP Module
Installing an SRP I/O Module
 Ejectors in the Open Position
 Installing a Line Module or an I/O Module
Installing Line and I/O Modules
 Module Slot Assignments Router
 Removing a Line Module, SRP Module, or SRP I/O Module
 Ejectors in the Closed Position
 Installing the Line Modules
Installing Components for Line Module Redundancy
Installing the Redundancy Midplane
 Enter the halt command
 Installing a Redundancy Midplane
Installing the I/O Modules
 Configuring Line Module Redundancy
Verifying the Installation
 ERX 8.0.x Hardware Guide Next Step
 Cabling Overview
Cabling ERX Routers
 ERX Ports and Connectors ERX-14xx Model Shown
 Required Cables Connection Port and Cable Used
Required Tools, Wires, and Cables
 External Timing Ports
Cabling the SRP I/O Module
SRP I/O Ports Description
 Cabling ERX Routers
 SRP I/O Module for ERX-14xx Models
 SRP I/O Module for the ERX-310 Router
Management Ports
 Cabling the Router for Power
Connecting to the Network
 ERX-14xx models
Power Input Module Cables and Wires Needed Cable/Wire From
 Power Input Module for ERX-14xx Models
Task 1 Turn Off All Router Power
 Task 2 Connect the Grounding Cables
Task 3 Connect the Power Cables
 ERX 8.0.x Hardware Guide
 ERX-310 Router AC Model
 Hssi Connectors
BNC Connectors
Cabling I/O Modules
 RJ-48C Connectors
RJ-45 Connectors
 SC Duplex Connectors
LC Duplex Connectors
 Class 1 LED Product
 O Module with SC Full Duplex Connectors
SMB Connectors
 O Module with SMB Connectors
21/V.35 Connectors
 Redundant Ports
21/V.35 Module with 50-Pin X.21/V.35 Connector
 Before You Power Up the System
Powering Up ERX Routers
Powering Up
 Initialization Sequence
 Status LEDs
Powering Down
 ERX 8.0.x Hardware Guide Next Step
 Setting Up Management Access
Accessing ERX Routers
 Using HyperTerminal
Console Port Setup
Connecting Directly to the Router
 Management Ports for ERX Routers
 Assigning an IP Address
Telnet Setup
 Enter the configure command
 Snmp
 Maintaining ERX Routers on Troubleshooting on
Page
 Required Tools and Items
Maintaining ERX Routers
 Storing Modules and Components
Cleaning the System
 Upgrading a System That Contains One SRP Module
Upgrading NVS Cards on SRP Modules
 Upgrading a System That Contains Two SRP Modules
 Replacing an NVS Card
 NVS Card Slot on SRP Module
Upgrading Memory on SRP Modules
 Removing SODIMMs
Displaying the Memory Installed
 Sodimm Sockets on the SRP-5 and SRP-10 Module
Adding New SODIMMs
 Replacing SFPs on I/O Modules
Verifying the Upgrade
 Possible Release Mechanisms on the SFP
Removing SFPs
 Example of SFP
Installing SFPs
 Installing an SFP on a GE I/O Module
 Replacing Fan Trays
 Fan Tray in ERX-14xx Models
 Removing the Fan Tray
Installing the Fan Tray
 100
Installing a Cable-Management Bracket on ERX-7xx Models
 101
 102
 Diagnosing Problems
Troubleshooting
 Causes of Power Failures Symptom Possible Problems Actions
Troubleshooting Power Failures
Understanding Status LEDs to Troubleshoot
 Redundant
LED Identification
 106
 107
 SRP Module LEDs
 109
 LED Activity
Normal Activity of Functional Status Leds During Booting
 Status Process
Issue the reload slot slotnumber
 112
 Redundancy Status
Monitoring Temperatures of Modules
Redundancy Status of a Line Module
 Double-Bit Errors on SRP Modules
Resetting Line Modules and SRP Modules
Detecting Double-Bit Errors
 Fixing Double-Bit Errors
 116
 Appendixes
 Appendixes
 ERX-14xx Models Specifications
System Specifications
ERX-14xx Models Specifications Category
 Space Requirements
Category Specification
 121
 ERX-7xx Models Specifications Category
ERX-7xx Models Specifications
 123
 124
 ERX-310 Router Specifications Category
ERX-310 Router Specifications
 126
 127
 128
 Your Preinstallation Responsibilities
Installation Guidelines Requirements
 Regulatory Compliances
Environmental Requirements
 Installation Guidelines and Requirements Safety Guidelines
 ERX-310 Router Warnings AC Model
ERX-310 Power Cord Warnings AC Model
 Equipment Rack Requirements
 Mechanical Requirements
ERX Routers Installed in a Rack
 Space Requirements
Proper Rack Installation
 Airflow for ERX Routers
Cabling Recommendations
 Product Reclamation and Recycling Program
 Federal Communications Commission FCC Statement
Hardware Compliance
 Industry Canada Notice CS-03
FCC Requirements for Consumer Products
 Avis CS-03 d’Industrie Canada
 C. Explanatory Notes Equipment Attachment Limitations
 EC Declaration of Conformity
 SRP I/O Module
Cable Pinouts
 SRP I/O Module Serial Port
SRP I/O Module-RS-232 Serial Connector Pinout Signal
 SRP I/O Module Ethernet Port
SRP I/O Module-RJ-45 Connector Pinout Signal
 Lists the pinout for the straight-through adapter
CT1 and CE1 I/O Modules
 CT1 I/O Module Ports
CT1/CE1 I/O Module-RJ-48C Connector Pinout Signal
 Pinout of 50-Pin Telco Connector to Ports Signal
CE1 I/O Module with Telco Connectors
 149
Pin Signal
 150
 Contacting Customer Support and Returning Hardware
Return Procedure
Contacting Customer Support
 152
Locating Component Serial Numbers
 Representative Module Serial Number ID Label
Information You Might Need to Supply to Jtac
 Tools and Parts Required
Returning Products for Repair or Replacement
Packing Instructions for Returning a Chassis
 155
 156
 Declaration of Conformity
Declaration of Conformity
 158
 Index
 Index
 Accessing
Symbols
 Series routers
 Modules
 QoS, packet classification for
 21/V.35 connectors, cabling