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Juniper Networks 8 manual Part, Procedures

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ERX 8.0.x Hardware Guide

Part 3	Hardware Maintenance, Replacement, and Troubleshooting
	Procedures
Chapter 8	Maintaining ERX Routers	85
	Required Tools and Items	.. 85
	Storing Modules and Components	.. 86
	Cleaning the System	.. 86
	Upgrading from Release 5.1.1 or Lower-Numbered Releases to Release 6.x.x or
	Higher-Numbered Releases	.. 87
	Upgrading NVS Cards on SRP Modules	.. 87
	Upgrading a System That Contains One SRP Module	.. 87
	Upgrading a System That Contains Two SRP Modules	.. 88
	Replacing an NVS Card	.. 89
	Upgrading Memory on SRP Modules	.. 90
	Displaying the Memory Installed	.. 91
	Removing SODIMMs	.. 91
	Adding New SODIMMs	.. 92
	Verifying the Upgrade	.. 93
	Replacing SFPs on I/O Modules	.. 93
	Removing SFPs	.. 94
	Installing SFPs	.. 95
	Verifying the Installation	.. 97
	Replacing Fan Trays	.. 97
	Removing the Fan Tray	.. 99
	Installing the Fan Tray	.. 99
	Installing a Cable-Management Bracket on ERX-7xx Models	.100
Chapter 9	Troubleshooting	103
	Diagnosing Problems	.103
	Initialization Sequence	.103
	Troubleshooting Power Failures	.104
	Understanding Status LEDs to Troubleshoot	.104
	LED Identification	.105
	LED Activity	. 110
	Redundancy Status	. 113
	Monitoring Temperatures of Modules	. 113
	Resetting Line Modules and SRP Modules	. 114
	Double-Bit Errors on SRP Modules	. 114
	Detecting Double-Bit Errors	. 114
	Fixing Double-Bit Errors	. 115

viii		Table of Contents

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Juniper Networks 8 manual Part, Procedures

Contents

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 RoutersChapter Cabling ERX Routers Procedures PartAppendix a System Specifications Part AppendixesPart Index Audience About This GuideObjectives Series Routers Documentation ConventionsIcon Meaning Description Convention Description ExamplesIssue the clock source List of Technical PublicationsXiv JUNOSe Software Guides Xvi Obtaining Documentation Documentation FeedbackRequesting Support Product Overview Product Overview ERX Routers ERX OverviewOverview ERX-14xx Models ERX-14xx Models, Front View ERX-7xx Models ERX-14xx Models, Rear ViewERX-7xx Models, Front View ERX-310 Router ERX-310 Router, Front View AC ModelERX Modules ERX-310 Router, Rear View AC ModelSRP Module Modules in ERX-14xx ModelsSRP Module for ERX-7xx and ERX-14xx Models Module Details SRP Module Redundancy SRP I/O ModuleLine Modules Modules Representative Line ModuleRedundancy Features Network Management ToolsNVS Cards Shows the data flow when a spare line module becomes active Power Data Flow When a Spare Line Module Is ActiveFans Initial Installation Initial Installation Unpacking ERX-14xx Models Unpacking and Inspecting ERX RoutersBefore You Begin Unpacking ERX-7xx Models and ERX-310 Routers Removing an L-BracketInspecting Router Components and Accessories If You Detect or Suspect DamageContacting Juniper Networks Next StepERX 8.0.x Hardware Guide Next Step Installing ERX Routers Freestanding InstallationRack-Mounted Installation Installation GuidelinesInstalling ERX Routers Safety Guidelines ERX Routers Installed in Recommended OrderInstalling ERX Routers Rack-Mounted Installation Installing the Router Preparing the Equipment RacksNext Step ERX 8.0.x Hardware Guide Next Step Installing Modules Slot Groups Orientation of Line Modules in ERX RoutersSlot Groups for the ERX-7xx Models Managing Modules Using the Software Combinations of Line Modules In Slot GroupsOC48 Line Modules GE-2 Line ModulesConnecting the Wrist Strap to the ERX-310 Router Rear Grounding Jack Locations Series RouterSafety Guidelines Order of InstallationRequired Tools and Safety Items Installing SRP I/O and SRP Modules SRP Module Slot Assignments RouterInstalling an SRP I/O Module Installing an SRP ModuleEjectors in the Open Position Installing Line and I/O Modules Installing a Line Module or an I/O ModuleModule 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 the I/O Modules Installing a Redundancy MidplaneVerifying the Installation Configuring Line Module RedundancyERX 8.0.x Hardware Guide Next Step Cabling ERX Routers Cabling OverviewERX Ports and Connectors ERX-14xx Model Shown Required Tools, Wires, and Cables Required Cables Connection Port and Cable UsedSRP I/O Ports Description Cabling the SRP I/O ModuleExternal Timing Ports Cabling ERX Routers SRP I/O Module for ERX-14xx Models Management Ports SRP I/O Module for the ERX-310 RouterConnecting to the Network Cabling the Router for PowerPower Input Module Cables and Wires Needed Cable/Wire From ERX-14xx modelsTask 1 Turn Off All Router Power Power Input Module for ERX-14xx ModelsTask 3 Connect the Power Cables Task 2 Connect the Grounding CablesERX 8.0.x Hardware Guide ERX-310 Router AC Model Cabling I/O Modules BNC ConnectorsHssi Connectors RJ-45 Connectors RJ-48C ConnectorsLC Duplex Connectors SC Duplex ConnectorsClass 1 LED Product SMB Connectors O Module with SC Full Duplex Connectors21/V.35 Connectors O Module with SMB Connectors21/V.35 Module with 50-Pin X.21/V.35 Connector Redundant PortsPowering Up Powering Up ERX RoutersBefore You Power Up the System Initialization Sequence Powering Down Status LEDsERX 8.0.x Hardware Guide Next Step Accessing ERX Routers Setting Up Management AccessConnecting Directly to the Router Console Port SetupUsing HyperTerminal Management Ports for ERX Routers Telnet Setup Assigning an IP AddressEnter the configure command Snmp Maintaining ERX Routers on Troubleshooting on Page Maintaining ERX Routers Required Tools and ItemsCleaning the System Storing Modules and ComponentsUpgrading NVS Cards on SRP Modules Upgrading a System That Contains One SRP ModuleUpgrading a System That Contains Two SRP Modules Replacing an NVS Card Upgrading Memory on SRP Modules NVS Card Slot on SRP ModuleDisplaying the Memory Installed Removing SODIMMsAdding New SODIMMs Sodimm Sockets on the SRP-5 and SRP-10 ModuleVerifying the Upgrade Replacing SFPs on I/O ModulesRemoving SFPs Possible Release Mechanisms on the SFPInstalling SFPs Example of SFPInstalling an SFP on a GE I/O Module Replacing Fan Trays Fan Tray in ERX-14xx Models Installing the Fan Tray Removing the Fan TrayInstalling a Cable-Management Bracket on ERX-7xx Models 100101 102 Troubleshooting Diagnosing ProblemsUnderstanding Status LEDs to Troubleshoot Troubleshooting Power FailuresCauses of Power Failures Symptom Possible Problems Actions LED Identification Redundant106 107 SRP Module LEDs 109 Normal Activity of Functional Status Leds During Booting LED ActivityIssue the reload slot slotnumber Status Process112 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 Category Specification Space Requirements121 ERX-7xx Models Specifications ERX-7xx Models Specifications Category123 124 ERX-310 Router Specifications ERX-310 Router Specifications Category126 127 128 Installation Guidelines Requirements Your Preinstallation ResponsibilitiesEnvironmental Requirements Regulatory CompliancesInstallation Guidelines and Requirements Safety Guidelines ERX-310 Power Cord Warnings AC Model ERX-310 Router Warnings AC ModelEquipment Rack Requirements ERX Routers Installed in a Rack Mechanical RequirementsProper Rack Installation Space RequirementsCabling Recommendations Airflow for ERX RoutersProduct Reclamation and Recycling Program Hardware Compliance Federal Communications Commission FCC StatementFCC Requirements for Consumer Products Industry Canada Notice CS-03Avis CS-03 d’Industrie Canada C. Explanatory Notes Equipment Attachment Limitations EC Declaration of Conformity Cable Pinouts SRP I/O ModuleSRP I/O Module-RS-232 Serial Connector Pinout Signal SRP I/O Module Serial PortSRP I/O Module-RJ-45 Connector Pinout Signal SRP I/O Module Ethernet PortCT1 and CE1 I/O Modules Lists the pinout for the straight-through adapterCT1/CE1 I/O Module-RJ-48C Connector Pinout Signal CT1 I/O Module PortsCE1 I/O Module with Telco Connectors Pinout of 50-Pin Telco Connector to Ports SignalPin Signal 149150 Contacting Customer Support Return ProcedureContacting Customer Support and Returning Hardware Locating Component Serial Numbers 152Information You Might Need to Supply to Jtac Representative Module Serial Number ID LabelPacking Instructions for Returning a Chassis Returning Products for Repair or ReplacementTools and Parts Required 155 156 Declaration of Conformity Declaration of Conformity158 Index Index Symbols AccessingSeries routers Modules QoS, packet classification for 21/V.35 connectors, cabling