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Juniper Networks 8 manual 101

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Maintaining ERX Routers

Figure 46: Attaching a Cable Management Bracket

Front of

ERX-7xx model

Mount in this area for smaller cables Mount here for wider X.21/V.35 cables

Perforated area

g013767

Installing a Cable-Management Bracket on ERX-7xx Models		101

Image 119

Juniper Networks 8 manual 101

Contents

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 InstallationChapter Cabling ERX Routers Part ProceduresPart Appendixes Appendix a System SpecificationsPart Index Audience About This GuideObjectives Convention Description Examples Series RoutersDocumentation Conventions Icon Meaning DescriptionList of Technical Publications Issue the clock sourceXiv JUNOSe Software Guides Xvi Documentation Feedback Obtaining DocumentationRequesting Support Product Overview Product Overview ERX Routers ERX OverviewOverview ERX-14xx Models ERX-14xx Models, Front View ERX-14xx Models, Rear View ERX-7xx ModelsERX-7xx Models, Front View ERX-310 Router, Front View AC Model ERX-310 RouterERX-310 Router, Rear View AC Model ERX ModulesModules in ERX-14xx Models SRP ModuleSRP Module for ERX-7xx and ERX-14xx Models Module Details SRP I/O Module SRP Module RedundancyLine Modules Representative Line Module ModulesNetwork Management Tools Redundancy FeaturesNVS Cards Shows the data flow when a spare line module becomes active Data Flow When a Spare Line Module Is Active PowerFans Initial Installation Initial Installation Unpacking ERX-14xx Models Unpacking and Inspecting ERX RoutersBefore You Begin Removing an L-Bracket Unpacking ERX-7xx Models and ERX-310 RoutersNext Step Inspecting Router Components and AccessoriesIf You Detect or Suspect Damage Contacting Juniper NetworksERX 8.0.x Hardware Guide Next Step Freestanding Installation Installing ERX RoutersInstallation Guidelines Rack-Mounted InstallationInstalling ERX Routers ERX Routers Installed in Recommended Order Safety GuidelinesInstalling ERX Routers Rack-Mounted Installation Preparing the Equipment Racks Installing the RouterNext Step ERX 8.0.x Hardware Guide Next Step Installing Modules Orientation of Line Modules in ERX Routers Slot GroupsSlot Groups for the ERX-7xx Models GE-2 Line Modules Managing Modules Using the SoftwareCombinations of Line Modules In Slot Groups OC48 Line ModulesGrounding Jack Locations Series Router Connecting the Wrist Strap to the ERX-310 Router RearSafety Guidelines Order of InstallationRequired Tools and Safety Items SRP Module Slot Assignments Router Installing SRP I/O and SRP ModulesInstalling an SRP Module Installing an SRP I/O ModuleEjectors in the Open Position Installing a Line Module or an I/O Module Installing Line and I/O ModulesModule Slot Assignments Router Removing a Line Module, SRP Module, or SRP I/O Module Ejectors in the Closed Position Installing the Redundancy Midplane Installing Components for Line Module RedundancyInstalling the Line Modules Enter the halt command Installing a Redundancy Midplane Installing the I/O ModulesConfiguring Line Module Redundancy Verifying the InstallationERX 8.0.x Hardware Guide Next Step Cabling Overview Cabling ERX RoutersERX Ports and Connectors ERX-14xx Model Shown Required Cables Connection Port and Cable Used Required Tools, Wires, and CablesSRP I/O Ports Description Cabling the SRP I/O ModuleExternal Timing Ports Cabling ERX Routers SRP I/O Module for ERX-14xx Models SRP I/O Module for the ERX-310 Router Management PortsCabling the Router for Power Connecting to the NetworkERX-14xx models Power Input Module Cables and Wires Needed Cable/Wire FromPower Input Module for ERX-14xx Models Task 1 Turn Off All Router PowerTask 2 Connect the Grounding Cables Task 3 Connect the Power CablesERX 8.0.x Hardware Guide ERX-310 Router AC Model Cabling I/O Modules BNC ConnectorsHssi Connectors RJ-48C Connectors RJ-45 ConnectorsSC Duplex Connectors LC Duplex ConnectorsClass 1 LED Product O Module with SC Full Duplex Connectors SMB ConnectorsO Module with SMB Connectors 21/V.35 ConnectorsRedundant Ports 21/V.35 Module with 50-Pin X.21/V.35 ConnectorPowering Up Powering Up ERX RoutersBefore You Power Up the System Initialization Sequence Status LEDs Powering DownERX 8.0.x Hardware Guide Next Step Setting Up Management Access Accessing ERX RoutersConnecting Directly to the Router Console Port SetupUsing HyperTerminal Management Ports for ERX Routers Assigning an IP Address Telnet SetupEnter the configure command Snmp Maintaining ERX Routers on Troubleshooting on Page Required Tools and Items Maintaining ERX RoutersStoring Modules and Components Cleaning the SystemUpgrading a System That Contains One SRP Module Upgrading NVS Cards on SRP ModulesUpgrading a System That Contains Two SRP Modules Replacing an NVS Card NVS Card Slot on SRP Module Upgrading Memory on SRP ModulesRemoving SODIMMs Displaying the Memory InstalledSodimm Sockets on the SRP-5 and SRP-10 Module Adding New SODIMMsReplacing SFPs on I/O Modules Verifying the UpgradePossible Release Mechanisms on the SFP Removing SFPsExample of SFP Installing SFPsInstalling an SFP on a GE I/O Module Replacing Fan Trays Fan Tray in ERX-14xx Models Removing the Fan Tray Installing the Fan Tray100 Installing a Cable-Management Bracket on ERX-7xx Models101 102 Diagnosing Problems TroubleshootingUnderstanding Status LEDs to Troubleshoot Troubleshooting Power FailuresCauses of Power Failures Symptom Possible Problems Actions Redundant LED Identification106 107 SRP Module LEDs 109 LED Activity Normal Activity of Functional Status Leds During BootingStatus Process Issue the reload slot slotnumber112 Redundancy Status of a Line Module Monitoring Temperatures of ModulesRedundancy Status Detecting Double-Bit Errors Resetting Line Modules and SRP ModulesDouble-Bit Errors on SRP Modules Fixing Double-Bit Errors 116 Appendixes Appendixes ERX-14xx Models Specifications Category System SpecificationsERX-14xx Models Specifications Space Requirements Category Specification121 ERX-7xx Models Specifications Category ERX-7xx Models Specifications123 124 ERX-310 Router Specifications Category ERX-310 Router Specifications126 127 128 Your Preinstallation Responsibilities Installation Guidelines RequirementsRegulatory Compliances Environmental RequirementsInstallation Guidelines and Requirements Safety Guidelines ERX-310 Router Warnings AC Model ERX-310 Power Cord Warnings AC ModelEquipment Rack Requirements Mechanical Requirements ERX Routers Installed in a RackSpace Requirements Proper Rack InstallationAirflow for ERX Routers Cabling RecommendationsProduct Reclamation and Recycling Program Federal Communications Commission FCC Statement Hardware ComplianceIndustry Canada Notice CS-03 FCC Requirements for Consumer ProductsAvis CS-03 d’Industrie Canada C. Explanatory Notes Equipment Attachment Limitations EC Declaration of Conformity SRP I/O Module Cable PinoutsSRP I/O Module Serial Port SRP I/O Module-RS-232 Serial Connector Pinout SignalSRP I/O Module Ethernet Port SRP I/O Module-RJ-45 Connector Pinout SignalLists the pinout for the straight-through adapter CT1 and CE1 I/O ModulesCT1 I/O Module Ports CT1/CE1 I/O Module-RJ-48C Connector Pinout SignalPinout of 50-Pin Telco Connector to Ports Signal CE1 I/O Module with Telco Connectors149 Pin Signal150 Contacting Customer Support Return ProcedureContacting Customer Support and Returning Hardware 152 Locating Component Serial NumbersRepresentative Module Serial Number ID Label Information You Might Need to Supply to JtacPacking Instructions for Returning a Chassis Returning Products for Repair or ReplacementTools and Parts Required 155 156 Declaration of Conformity Declaration of Conformity158 Index Index Accessing SymbolsSeries routers Modules QoS, packet classification for 21/V.35 connectors, cabling