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Juniper Networks M160 manual 217

Models: M160

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Troubleshooting Hardware Components

3.If the spare power supply also does not work, connect the router to a different power source. You might also try replacing the power cord or cable. For instructions, see “Disconnecting and Connecting Power” on page 200 (you do not need to disconnect and reconnect the grounding cable).

4.If you cannot determine the cause of the problem or need additional assistance, see “Juniper Networks Technical Assistance Center” on page 212.

Troubleshooting the Power System		217

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Juniper Networks M160 manual 217

Contents

Hardware Guide M160 Internet Router Hardware Guide Iii USA Table of Contents Chapter Junos Internet Software Overview Part Initial InstallationChapter Unpacking the Router Connecting the Router and Performing Initial Configuration ProceduresPart Table of Contents Appendixes Appendix C Part IndexM160 Internet Router Hardware Guide Xii Table of Contents Xiii List of FiguresReinstalling a Routing Engine Installing a Power Supply M160 Internet Router Hardware Guide Xvi List of Figures List of Tables Xviii Objectives About This GuideAudience Documentation ConventionsConvention Description Examples Icon Meaning DescriptionCommunity-ids List of Technical PublicationsAPI Requesting Support Documentation FeedbackM160 Internet Router Hardware Guide Xxiv Requesting Support Product Overview Product Overview System Description System OverviewSystem Redundancy Field-Replaceable Units FRUsSafety Requirements, Warnings, and Guidelines Page Chassis Hardware Component OverviewFront of Chassis Rear of Chassis with Component Cover in Place Rear of Chassis with Component Cover Removed Packet Forwarding Engine Chassis Physical Specifications Description ValueMidplane Midplane Physical Interface Cards PICsFlexible PIC Concentrators FPCs PIC ComponentsFront of Chassis with Four-PIC FPC Installed in Slot FPC0 FPC Components FPC Types FPC1 and FPC2 Packet Forwarding Engine Clock Generators PCGsPCG Components Switching and Forwarding Module SFMStates for PCG LEDs Label Color State DescriptionSFM Components Switching and Forwarding Module States for SFM LEDs Label Color Description Host ModuleRouting Engine Routing Engine Components Routing Engine Miscellaneous Control Subsystem MCSMCS Components States for MCS LEDs Label Color Description Craft InterfaceCraft Interface Alarm LEDs and Alarm Cutoff/Lamp Test ButtonLCD and Navigation Buttons LCD Idle ModeLCD in Idle Mode LCD Alarm ModeFPC LEDs and Offline Button Host Module LEDsStates for Host Module LEDs Label Color Description States for FPC LEDs Label Color Description Connector Interface Panel CIPRouting Engine Management Ports Connector Interface PanelBits Input Ports Alarm Relay ContactsAlarm Relay Contacts and Bits Input Ports Power SystemPower Supply State Description States for Power Supply LEDs LabelCircuit Breaker Box Electrical Specifications for Power Supply DescriptionCooling System FusesAirflow through the Chassis Cooling System ComponentsAirflow through the Chassis Cable Management SystemM160 Internet Router Hardware Guide Cable Management System Routing Engine Software Components Junos Internet Software OverviewIPv4 Routing Protocols Routing Protocol ProcessJunos Internet Software Overview IPv6 Routing Protocols Routing Policy Routing and Forwarding TablesVPNs Chassis Process Interface ProcessSnmp and MIB II Processes Management ProcessSoftware Upgrades Tools for Accessing and Configuring the SoftwareTools for Monitoring the Software Packet Forwarding Engine Architecture System Architecture OverviewData Flow through the Packet Forwarding Engine Packet Forwarding Engine Components and Data Flow Routing Engine ArchitectureRouting Engine Architecture Routing Engine FunctionsPackets Out Page Initial Installation Initial Installation Rack Requirements Preparing for Router InstallationRack Size and Strength Typical Center-Mount Rack Spacing of Mounting HolesRouting Node Environmental Specifications Clearance Requirements for Airflow and Hardware MaintenanceConnection to Building Structure Routing Node Environmental Specifications Description Value Fire Safety RequirementsFire Suppression Fire Suppression Equipment Power Guidelines, Requirements, and SpecificationsDistance Limitations for Signaling Site Electrical Wiring GuidelinesRouter Power Requirements Radio Frequency InterferenceComponent Power Requirements Power Requirement Amps Power consumption for maximum configurationChassis Grounding Power, Connection, and Cable SpecificationsShows a typical source cabling arrangement Preparing for Router Installation Power and Grounding Cable Connections Network Cable Specifications and GuidelinesSignal Loss in Multimode and Single-Mode Fiber-Optic Cable Fiber Optic and Network Cable SpecificationsAttenuation and Dispersion in Fiber-Optic Cable Calculating Power Budget for Fiber-Optic Cable Calculating Power Margin for Fiber-Optic Cable Attenuating to Prevent Saturation at SONET/SDH PICs Routing Engine Interface Cable and Wire SpecificationsSite Preparation Checklist Item or Task Site Preparation ChecklistDate Item or Task Performed By Date Tools and Parts Required Unpacking the RouterUnpacking the Router M160 Internet Router Hardware Guide Component Quantity Generic Inventory of Router Components Installed in ChassisM160 Internet Router Hardware Guide Unpacking the Router Installing the Chassis Using a Mechanical Lift Installing the Router Using a Mechanical LiftM160 Internet Router Hardware Guide Router Component Weights Approximate Weight lb Weight kg Installing the Router without a Mechanical LiftRemoving Components from the Chassis Installing the Router without a Mechanical Lift Removing the Rear Component Cover Removing the Power SuppliesRemoving the SFMs Removing an SFM Removing the MCSsRemoving an MCS Removing the PCGsRemoving a PCG Removing the Routing EnginesRemoving a Routing Engine Removing the Rear Upper Impeller AssemblyRemoving the Rear Upper Impeller Assembly Removing the Rear Lower Impeller AssemblyRemoving the Fan Tray Removing the Rear Lower Impeller AssemblyRemoving the FPCs FPC Removal Checklist Slot Media Types Date RemovedInstalling the Router without a Mechanical Lift Removing an FPC Removing the Front Impeller AssemblyRemoving the Front Impeller Assembly Installing the Chassis into the RackAttaching the Lifting Handle Installing the Chassis in a Rack Reinstalling Components into the ChassisReinstalling the Front Impeller Assembly Reinstalling the Front Impeller Assembly Reinstalling the FPCsReinstalling an FPC Reinstalling the Fan TrayReinstalling the Fan Tray Reinstalling the Rear Lower Impeller AssemblyReinstalling the Rear Lower Impeller Assembly Reinstalling the Rear Upper Impeller AssemblyReinstalling the Rear Upper Impeller Assembly Reinstalling the Routing EnginesReinstalling a Routing Engine Reinstalling the PCGsReinstalling a PCG Reinstalling the MCSsReinstalling an MCS Reinstalling the SFMsReinstalling the Power Supplies Reinstalling the Rear Component CoverReinstalling a Power Supply Connecting the Router and Performing Initial Configuration Connecting the Router to Management and Alarm Devices 113 Connecting to a Management Console or Auxiliary Device Connecting to a Network for Out-of-Band ManagementConnecting PIC Cables Connecting to an External Alarm-Reporting DeviceM160 Internet Router Hardware Guide Connecting Power to the Router Providing Power to the RouterM160 Internet Router Hardware Guide Connecting Power and Grounding Cables Powering On the RouterM160 Internet Router Hardware Guide Configuring the Junos Internet Software Configure the router’s domain name Commit the configuration to activate it on the router Page 125 Page Maintaining Hardware Components Routine Maintenance ProceduresMaintaining Cooling System Components Removing the Air Filter Maintaining the Air FilterInstalling the Air Filter Cleaning the Air FilterMaintaining the Fan Tray and Impellers Installing the Air FilterUser@host show chassis routing-engine Maintaining Host Module ComponentsUser@host show chassis environment mcs Maintaining Packet Forwarding Engine ComponentsUser@host show chassis fpc Maintaining FPCsShow chassis Fpc pic-status Maintaining PICs and PIC Cables135 Maintaining the PCGsUser@host show chassis sfm detail Maintaining SFMsUser@host show chassis environment pem Maintaining Power SuppliesUser@host show chassis alarms 139 Replacing Hardware ComponentsTools and Parts Required Tool or part Components Removing the CIP Replacing the CIP and Routing Engine Interface Port CablesTool or part Components Service, and System Basics Command Reference Removing the CIP Installing the CIPInstalling the CIP Replacing Connections to Routing Engine Interface Ports Routing Engine Interface Ports and Alarm Relay ContactsReplacing the Console or Auxiliary Cable Replacing the Management Ethernet CableSerial Port Connector Replace Alarm Relay WiresReplacing the Fan Tray Replacing Cooling System ComponentsRemoving the Fan Tray Installing the Fan Tray Installing the Fan Tray Replacing the Front Impeller AssemblyRemoving the Front Impeller Assembly Removing the Front Impeller Assembly 153 Replacing the Rear Lower Impeller Assembly Installing the Front Impeller AssemblyInstalling the Rear Lower Impeller Assembly Removing the Rear Lower Impeller AssemblyInstalling the Rear Lower Impeller Assembly Replacing the Rear Upper Impeller AssemblyRemoving the Rear Upper Impeller Assembly Installing the Rear Upper Impeller Assembly Installing the Rear Upper Impeller AssemblyReplacing an MCS Replacing Host Module ComponentsRemoving an MCS User@host request chassis routing-engine master switch Installing an MCS Installing an MCS Removing the PC Card Removing and Insert the PC CardRemoving the PC Card Insert the PC CardRemoving a Routing Engine Replacing a Routing EngineUser@host show chassis routing-engine 167 Installing a Routing Engine Replacing an FPC Replacing Packet Forwarding Engine ComponentsRemoving an FPC 171 Installing an FPC 173 User@hostrequest chassis fpc slot slot-numberonline 175 Removing a PCG Replacing a PCG177 Installing a PCG Removing a PIC Replacing a PICService, and System Basics Command Reference Removing a PIC Installing a PICM160 Internet Router Hardware Guide 183 Installing a PIC Removing a PIC Cable Replace PIC CablesInstalling a PIC Cable 187 Removing an SFM Replacing an SFMInstalling an SFM Removing an SFP Replace an SFPInstalling an SFP M160 Internet Router Hardware Guide Replacing the Circuit Breaker Box Replacing Power System ComponentsRemoving the Circuit Breaker Box Service, and System Basics Command Reference Removing the Circuit Breaker Box Installing the Circuit Breaker BoxM160 Internet Router Hardware Guide Removing a Power Supply Replacing a Power SupplyRemoving a Power Supply Rear of Power Supply Showing Midplane Connectors Installing a Power SupplyDisconnecting Power from the Router Disconnecting and Connecting Power201 Disconnecting Power Cables Connecting Power to the Router203 Replacing a Fuse Connecting Power and Grounding Cables205 Color Component Fuse Rating Quantity Locations Fuse SpecificationsOverview of Troubleshooting Resources Troubleshooting Hardware ComponentsCommand-Line Interface LEDs on the Craft Interface LEDsChassis Alarm Messages Component LCD Message CLI Message Chassis and Interface Alarm MessagesLEDs on Hardware Components Component LCD Message CLI Message SONET/SDH Interface Alarm MessagesBlown Fuse Indicators Juniper Networks Technical Assistance Center Troubleshooting the Cooling SystemTroubleshooting Packet Forwarding Engine Components Troubleshooting FPCs Troubleshooting the Power System Troubleshooting PICsAll LEDs on Both Supplies Are Off All LEDs on One Supply Are Off or LED States Are not Correct 217 Page Appendixes Appendixes Definition of Safety Warning Levels Safety and Regulatory Compliance InformationSafety Guidelines and Warnings 223 General Safety Guidelines and Warnings Qualified Personnel Warning Restricted Access Area WarningPreventing Electrostatic Discharge Damage Placing a Component into an Electrostatic Bag Electrical Safety Guidelines and WarningsM160 Internet Router Hardware Guide DC Power Electrical Safety Guidelines General Electrical Safety GuidelinesCopper Conductors Warning DC Power Disconnection Warning DC Power Grounding Requirements and Warning DC Power Wiring Sequence Warning DC Power Wiring Terminations Warning Grounded Equipment Warning Case of Electrical Accident Power Disconnection Warning TN Power Warning Installation Instructions Warning Installation Safety Guidelines and WarningsChassis Lifting Guidelines Rack-Mounting Requirements and Warnings 241 M160 Internet Router Hardware Guide 243 Ramp Warning Laser and LED Safety Guidelines and WarningsClass 1 Laser Product Warning Class 1 LED Product Warning General Laser Safety GuidelinesLaser Beam Warning Radiation From Open Port Apertures Warning Maintenance and Operational Safety Guidelines and WarningsBattery Handling Warning Jewelry Removal Warning Lightning Activity Warning Operating Temperature Warning Product Disposal Warning EMC Agency ApprovalsCanada Compliance Statements for EMC RequirementsEuropean Community JapanLocating Component Serial Numbers Contacting Customer Support and Returning HardwareAttached to the component body Craft Interface Serial Number ID Label CIP Serial Number ID LabelCraft Interface Serial Number ID Label DC Power Supply Serial Number ID LabelMCS Serial Number ID Label FPC Serial Number ID LabelPIC Serial Number ID Label PCG Serial Number ID LabelPIC Serial Number ID Label Routing Engine Serial Number ID LabelContacting Customer Support SFM Serial Number ID LabelInformation You Might Need to Supply to Jtac Return ProcedureTools and Parts Required Packing the Routing Node for Shipment M160 Internet Router Hardware Guide Packing Components for Shipment Page RJ-45 Connector Pinout Signal Cable Connector PinoutsData numbering Form Signal DB-9 Connector Pinout Signal Direction DescriptionRJ-48 Cable Pinouts for E1 and T1 PICs Data numbering Form SignalRX/Ring/- --RX/Ring RJ-48 Pin on T1/E1 DB-15 Pin V.35 Cable Pinouts for EIA-530 PICFast Ethernet 48-port Cable Pinouts DB-25 Pin Signal 35 Pin DescriptionRJ-21 Pin Assignments Ethernet Port Numbers Fast Ethernet 48-port PIC18, 30 19, 31 20, 32 21, 33 10, 22, 34 11, 23, 35 Index Index Airflow SymbolsPIC EMC EMI MCS PCG SONET/SDH Rear lower impeller assembly installation instructions Power supply SFP Wiring, electrical See electricity Cable pinouts