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