User ManualTable of ContentsTable of Contents3About This Manual17Objectives17Audience17Document Organization18List of Technical Publications18Documentation Conventions20Contact Juniper Networks20Documentation Feedback21Product Overview23System Overview25System Description25Field-Replaceable Units (FRUs)26Component Redundancy26Safety Requirements, Warnings, and Guidelines27System Specifications27Hardware Component Overview29Chassis30Packet Forwarding Engine31Backplane32Physical Interface Cards (PICs)32PIC Components33Flexible PIC Concentrators (FPCs)33FPC Components34System Control Board (SCB)35SCB Components35Routing Engine37Routing Engine Components37Craft Interface39FPC LEDs and Offline Button40Alarm Relay Contacts, LEDs, and Cutoff Button40LCD41Routing Engine LEDs and Interface Ports41Power Supplies42AC Power Supply43DC Power Supply44Power Supply LEDs44Cooling System45Cooling System Components45Airflow through the Chassis46Cable Management System46JUNOS Internet Software Overview47Routing Engine Software Components48Routing Protocol Process48Routing Protocols48Routing and Forwarding Tables50Routing Policy50Interface Process51SNMP and MIB II Processes51Management Process51Routing Engine Kernel51Tools for Accessing and Configuring the Software52Software Monitoring Tools52Software Upgrades52System Architecture Overview53Packet Forwarding Engine Architecture54Data Flow through the Packet Forwarding Engine55Routing Engine Architecture55Routing Engine Functions56Initial Installation59Prepare the Site61Rack Requirements61Rack Size and Strength62Spacing of Mounting Holes63Connection to Building Structure63Clearance Requirements for Airflow and Hardware Maintenance64Site Environmental Requirements65Fire Safety Requirements65Fire Suppression65Fire Suppression Equipment66Power System Requirements and Specifications66Power Supply Load Sharing, Redundancy, and Replacement67Connection and Grounding Requirements67AC Power Cord Specifications67DC Power and Grounding Cable Specifications68System Power Requirements70Site Electrical Wiring and Cable Guidelines71Distance Limitations for Signaling71Radio Frequency Interference71Electromagnetic Compatibility71Fiber-Optic and Network Cable Guidelines71Multimode and Single-Mode Fiber72Attenuation and Dispersion72Power Budget Calculation73Power Margin Calculation73Attenuate to Prevent Saturation at SONET/SDH PICs75Routing Engine Interface Cable and Wire Specifications75Site Preparation Checklist76Regulatory Compliance and Safety Information77Definition of Safety Warning Levels77Safety Guidelines and Warnings79General Safety Guidelines and Warnings79Qualified Personnel Warning80Restricted Access Area Warning81Electrical Safety Guidelines and Warnings82General Electrical Safety Guidelines82AC Power Electrical Safety Guidelines83DC Power Electrical Safety Guidelines83Copper Conductors Warning85DC Power Disconnection Warning86DC Power Grounding Requirements and Warning87DC Power Wiring Sequence Warning88DC Power Wiring Terminations Warning89Grounded Equipment Warning90In Case of Electrical Accident90Backplane Energy Hazard Warning90Multiple Power Supplies Disconnection Warning91Power Disconnection Warning92TN and IT Power Warning93Installation Safety Guidelines and Warnings93Chassis Lifting Guidelines94Installation Instructions Warning94Rack-Mounting Requirements and Warnings95Ramp Warning98Laser and LED Safety Guidelines and Warnings98General Laser Safety Guidelines99Class 1 Laser Product Warning99Class 1 LED Product Warning100Laser Beam Warning100Radiation From Open Port Apertures Warning101Maintenance and Operational Safety Guidelines and Warnings101Battery Handling Warning102Jewelry Removal Warning103Lightning Activity Warning104Operating Temperature Warning105Product Disposal Warning106Agency Approvals106Compliance Statements for EMC Requirements108Canada108European Community108Japan108Taiwan108United States108Prepare to Install the Router111Tools Required111General Safety Guidelines and Warnings112Prevent Electrostatic Discharge Damage113Unpack the Router114Rack-Mounting Brackets116Install the Router and Configure Software119Tools and Parts Required119Install the Router Using a Mechanical Lift120Install the Router without Using a Mechanical Lift121Remove Components from the Chassis122Remove the Power Supplies123Remove the Routing Engine Housing124Remove the Upper Impeller Assembly124Remove the Fan Tray125Remove the Cable Management System126Remove the FPCs127Remove the SCB128Remove the Air Filter129Remove the Lower Impeller Assembly130Install the Chassis into the Rack131Reinstall Components into the Chassis133Reinstall the Lower Impeller Assembly133Reinstall the Air Filter134Reinstall the SCB135Reinstall the FPCs136Reinstall the Cable Management System137Reinstall the Fan Tray138Reinstall the Upper Impeller Assembly139Reinstall the Routing Engine Housing139Reinstall the Power Supplies140Connect the Router to Management and Alarm Devices141Connect to a Network for Out-of-Band Management142Connect to a Management Console or Auxiliary Device142Connect to an External Alarm-Reporting Device143Connect PIC Cables143Provide Power to the Router144Connect Power to an AC-Powered Router145Connect Power to a DC-Powered Router145Power On the Router147Configure the JUNOS Internet Software149Hardware Maintenance and Replacement Procedures153Hardware Maintenance Overview155Routine Maintenance Procedures155Replacing FRUs155Maintain and Replace the Power Supplies157Tools and Parts Required157Maintain the Power Supplies157Replace an AC Power Supply158Remove an AC Power Supply159Install an AC Power Supply160Disconnect and Connect AC Power162Disconnect AC Power from the Router162Connect AC Power to the Router162Replace a DC Power Supply163Remove a DC Power Supply164Install a DC Power Supply166Disconnect and Connect DC Power169Disconnect DC Power from the Router169Connect DC Power to the Router171Maintain and Replace Cooling System Components175Tools and Parts Required175Maintain and Replace the Air Filter176Remove the Air Filter176Install the Air Filter177Maintain and Replace the Fan Tray177Remove the Fan Tray178Install the Fan Tray178Maintain the Impeller Assemblies179Replace the Lower Impeller Assembly180Remove the Lower Impeller Assembly180Install the Lower Impeller Assembly181Replace the Upper Impeller Assembly181Remove the Upper Impeller Assembly181Install the Upper Impeller Assembly182Maintain and Replace Packet Forwarding Engine Components183Tools and Parts Required183Maintain FPCs and PICs184Replace an FPC or Quad-wide PIC185Remove an FPC or Quad-wide PIC185Install an FPC or Quad-wide PIC187Replace a PIC189Remove a PIC189Install a PIC190Maintain the SCB191Replace the SCB191Remove the SCB192Install the SCB193Maintain and Replace Routing Engine Components195Tools and Parts Required195Maintain the Routing Engine196Replace the Routing Engine Housing196Remove the Routing Engine Housing197Install the Routing Engine Housing197Replace the Routing Engine198Remove the Routing Engine199Install the Routing Engine200Replace the LS-120 Drive202Maintain and Replace Cables and Connectors203Tools and Parts Required203Cable Specifications204Maintain PIC Cables204Replace PIC Cables205Remove a PIC Cable205Install a PIC Cable206Replace Power Supply Cables207Replace Cables and Wire Connecting to Routing Engine Interface Ports208Replace the Management Ethernet Cable208Replace the Console or Auxiliary Cable209Replace Alarm Relay Wire210Troubleshooting211Troubleshooting Overview213Command-Line Interface213LEDs214LEDs on the Craft Interface214LEDs on Hardware Components214Hardware and Interface Alarm Messages214Juniper Networks Technical Assistance Center216Troubleshoot the Power Supplies217All LEDs on Both Supplies are Off217All LEDs on One Supply are Off or LED States are not Correct217Troubleshoot the Cooling System219Troubleshoot the Fan Tray and Impeller Assemblies220Troubleshoot the Power Supply Fans221Troubleshoot the Packet Forwarding Engine Components223Troubleshoot FPCs223Troubleshoot PICs224Troubleshoot the SCB224Appendixes227Cable Connectors and Pinouts229RJ-45 Connector Pinouts for the Ethernet Management Port229DB-9 Connector Pinouts for the Routing Engine Console and Auxiliary Ports230E1 and T1 RJ-48 Cable Pinouts230Fast Ethernet 12-port Cable Pinouts233Fiber-Optic Connector Cleaning235Return the Router or Its Components237Return Procedure237Locate Component Serial Numbers238FPC Serial Number ID Label239PIC Serial Number ID Label239Power Supply Serial Number ID Label240Routing Engine Serial Number Label240SCB Serial Number ID Label241Pack the Router for Shipment242Pack Components for Shipment243Glossary245Index259A259B259C260D261E261F261G262H262I262J263K263L263M263O263P264R264S265T266U266W267Size: 3.68 MBPages: 268Language: EnglishOpen manual
