Part | Juniper Networks MX240 specs

Part 3

Hardware Maintenance, Troubleshooting, and Replacement Procedures

■Maintaining Hardware Components on page 67

■Troubleshooting Hardware Components on page 79

■Replacing Hardware Components on page 87

Hardware Maintenance, Troubleshooting, and Replacement Procedures ■ 65

Image 93

Juniper Networks MX240 manual Part

Contents

North Mathilda Avenue Sunnyvale, California Hardware Guide MX240 Ethernet Services Router Hardware Guide End User License Agreement IiiPage Table of Contents AC Power Supply LEDs Part Setting Up the RouterInstalling the Router Using a Lift Moving the Mounting Brackets for Center-Mounting the Router Maintaining the Air Filter Maintaining the Fan Tray Maintaining DPCsHandling and Storing DPCs Holding a DPC Storing a DPC 100 Connecting the Cable to a Management Console or Auxiliary102 103 121 Part Appendixes125 126 161 155163 165 176 Removing the Power Supplies 188 Removing the Fan Tray 189179 183 203 Part Index204 205 List of Figures Rear View of a Fully Configured AC-Powered Router Chassis 111 175191 List of Tables 186 About This Guide ObjectivesAudience Documentation Conventions On page xviii defines the notice icons used in this guideText and Syntax Conventions Convention Description Plain text like this List of Technical Publications Junos Software for Supported Routing Platforms Technical Documentation for Supported Routing Platforms Junos References Web User Guide Xxiii Junos Software Network Operations Guides Junos Software with Enhanced Services Documentation Traffic classification Documentation Feedback Obtaining Documentation Self-Help Online Tools and Resources Requesting Technical SupportPage Router Overview on Hardware Components on MX240 Router OverviewPage Router Description Router Overview Component Redundancy Router Chassis Hardware Components Front View of a Fully Configured Router Chassis Rear View of a Fully Configured AC-Powered Router Chassis Dense Port Concentrators DPCs Midplane Typical DPCs Supported on the MX240 Router DPC Components Four-Port 10-Gigabit Ethernet DPC LEDs40-Port Gigabit Ethernet DPC LEDs Host Subsystem Switch Control Board SCB SCB Redundancy SCB Slots Switch Control Board LEDs SCB ComponentsSCB LEDs Routing Engine Components Routing Engine Ethernet Routing Engine Boot Sequence Routing Engine Interface PortsRouting Engine LEDs Craft Interface Cable Management System SCB LEDs on Fan LEDs on Alarm Relay Contacts on Alarm LEDs and Alarm Cutoff/Lamp Test Button Alarm LEDs and Alarm Cutoff/Lamp Test Button Power Supply LEDsPower Supply LEDs on the Craft Interface Host Subsystem LEDs DPC LEDs SCB LEDsFan LEDs Alarm Relay Contacts Power SuppliesAC Power Supply AC Power Supply AC Power Supply LEDs DC Power Supply DC Power Supply Configurations for the MX240 RouterAC Power Supply LEDs DC Power Supply LEDs DC Power Supply LEDsCooling System Airflow Through Chassis Air Filter Setting Up the Router Page Preparing the Site for Router Installation Site Preparation ChecklistSite Preparation Checklist Cabinet Requirements Cabinet Size and Clearance RequirementsCabinet Airflow Requirements Rack Size and Strength Rack Requirements Clearance Requirements for Airflow and Hardware Maintenance Spacing of Mounting Bracket HolesConnection to Building Structure Chassis Dimensions and Clearance Requirements Page Installation Overview MX240 Ethernet Services Router Hardware Guide Unpacking the Router Tools and Parts RequiredUnpacking the Router Verifying Parts Received Contents of the Shipping Crate Accessory Box Parts List Parts List for a Fully Configured Router Accessory Box Parts List Installing the Mounting Hardware Installing the Mounting Hardware for a Rack or CabinetFour-Post Rack or Cabinet Mounting Hole Locations MX240 Ethernet Services Router Hardware Guide Moving the Mounting Brackets for Center-Mounting the Router Installing the Mounting Hardware for an Open-Frame Rack MX240 Ethernet Services Router Hardware Guide Installing the Router Safety Requirements, Warnings, and GuidelinesInstalling the Router Using a Mechanical Lift Tools Required Installing the Router Using a Lift Installing the Router in the Rack Page Connecting the Router to Management and Alarm Devices Connecting the Router Connecting to a Network for Out-of-Band Management Connecting to a Management Console or Auxiliary DeviceConnecting to an External Alarm-Reporting Device Connecting DPC Cables Attaching a Cable to a DPC Grounding and Providing Power to the Router Grounding the Router Connecting Power to an AC-Powered Router To power on an AC-powered router Powering On an AC-Powered Router Connecting Power to a DC-Powered Router Grounding and Providing Power to the Router Connecting DC Power to the Router Powering On a DC-Powered Router Powering Off the Router MX240 Ethernet Services Router Hardware Guide Configuring the Junos Software Configuring Junos SoftwareConfiguring the Junos Software on Log in as the root user. There is no password Configure the router’s domain name Enter configuration modeConfigure the IP address of a DNS server Start the CLI Edit Root@# commit Commit the configuration to activate it on the routerPage Part Page Maintaining Hardware Components Routine Maintenance Procedures Maintaining Cooling System Components Maintaining the Air FilterMaintaining the Fan Tray Maintaining Hardware Components User@host show chassis routing-engine Maintaining the Host Subsystem User@host show chassis environment cb Maintaining DPCs Maintaining Packet Forwarding Engine Components User@host show chassis fpc detail Handling and Storing DPCs Maintaining DPC Cables DPC Edges Holding a DPC Do Not Grasp the Connector Edge Do Not Rest the DPC on an Edge Storing a DPC Maintaining the Power Supplies Overview of Troubleshooting Resources Troubleshooting Hardware ComponentsCommand-Line Interface Juniper Networks Technical Assistance Center Chassis and Interface Alarm Messages LEDsCraft Interface LEDs Component LEDs Airflow Through the Chassis Troubleshooting the Cooling System Troubleshooting DPCs Basics and Services Command Reference Troubleshooting the Power System Temperature DC output Page Field-Replaceable Units FRUs Replacing Hardware Components Tools and Parts Required Field-Replaceable Units Replacing the Craft Interface Removing the Craft InterfaceTo remove the craft interface see on To install the craft interface see on Installing the Craft Interface Disconnecting the Alarm Relay Wires Replacing Alarm Relay Wires Replacing Cooling System Components Connecting the Alarm Relay WiresReplacing the Fan Tray Removing the Fan Tray To install the fan tray see on Installing the Fan Tray Removing an Air Filter Replacing the Air Filter Installing the Air Filter To install the air filter see onTo remove the air filter see on Taking the Host Subsystem Offline Replacing Host Subsystem Components Master in the Current state field Replacing an SCB Operating and Positioning the SCB Ejectors Removing an SCB Removing an SCB To install an SCB see on Installing an SCB To check the status of the SCB, use the CLI command Removing a Routing Engine Replacing a Routing Engine Removing a Routing Engine Installing a Routing Engine Replacing Connections to Routing Engine Interface Ports Installing a Routing Engine Replacing the Management Ethernet Cable Installing the Management Ethernet CableReplacing the Console or Auxiliary Cable Removing the Management Ethernet Cable Replacing DPCs and Transceivers Replacing a DPCRemoving a DPC User@hostrequest chassis fpc slot slot-numberoffline To install a DPC see on Installing a DPC User@hostrequest chassis fpc slot slot-numberonline Removing an SFP or XFP Transceiver Installing a DPC Removing SFPs or XFPs Replacing Power System Components Installing an SFP or XFP Transceiver Removing an AC Power Supply Removing an AC Power Supply Installing an AC Power Supply Removing a DC Power SupplyTo install an AC power supply see on Replacing Hardware Components Removing a DC Power Supply from an MX240 Router Installing a DC Power Supply Replacing Hardware Components Installing a DC Power Supply in an MX240 Router Replacing an AC Power Cord Replacing a DC Power Supply Cable Disconnecting an AC Power CordConnecting an AC Power Supply Cord Connecting a DC Power Supply Cable Disconnecting a DC Power Supply Cable Removing the Cable Management System Replacing the Cable Management System Removing or Installing the Cable Management System Installing the Cable Management System Appendixes MX240 Ethernet Services Router Hardware Guide Appendixes Definition of Safety Warning Levels Safety and Regulatory Compliance Information Safety Guidelines and Warnings Qualified Personnel Warning General Safety Guidelines and Warnings Restricted Access Area Warning Appendix a Safety and Regulatory Compliance Information Preventing Electrostatic Discharge Damage Fire Safety Requirements Installation Safety Guidelines and Warnings Fire SuppressionFire Suppression Equipment Chassis-Lifting Guidelines Installation Instructions Warning Rack-Mounting Requirements and Warnings MX240 Ethernet Services Router Hardware Guide Appendix a Safety and Regulatory Compliance Information Ramp Warning Laser and LED Safety Guidelines and Warnings General Laser Safety Guidelines Class 1 Laser Product Warning Class 1 LED Product WarningWaarschuwing Klasse 1 LED-product Laser Beam Warning Radiation from Open Port Apertures Warning Maintenance and Operational Safety Guidelines and Warnings Operating Temperature Warning on Product Disposal Warning on Battery Handling Warning Jewelry Removal Warning Lightning Activity Warning Operating Temperature Warning Product Disposal Warning Case of Electrical Accident Electrical Safety Guidelines and Warnings Grounded Equipment Warning General Electrical Safety Guidelines and Warnings MX240 Ethernet Services Router Hardware Guide Power Disconnection Warning TN Power Warning AC Power Electrical Safety Guidelines DC Power Electrical Safety Guidelines DC Power Electrical Safety Guidelines and Warnings Copper Conductors Warning DC Power Disconnection Warning DC Power Grounding Requirements and Warning DC Power Wiring Sequence Warning DC Power Wiring Terminations Warning Agency Approvals Agency Approvals and Compliance Compliance Statements for NEBs Requirements EN 60950-1 Safety of Information Technology Equipment Compliance Statements for EMC Requirements CanadaEuropean Community Japan Compliance Statements for Environmental Requirements Lithium BatteryCompliance Statements for Acoustic Noise United StatesPage Physical Specifications Physical SpecificationsPhysical Specifications Page Router Environmental Specifications Router Environmental SpecificationsRouter Environmental Specifications Page Power Guidelines, Requirements, and Specifications Chassis Grounding SpecificationsGrounding Cable Lug Specification DC Power Specifications and Requirements Grouding Cable SpecificationDC Power Specifications Grounding Cable Specifications DC Power System Electrical Specifications Power Consumption for DC-Powered RoutersDC Power Supply Electrical Specifications DC Power System Electrical Specifications Component Power Requirements DC-Powered Base Router Power Requirements DC Power Circuit Breaker Specifications On page 170 shows a typical DC source cabling arrangement DC Power Cable Specifications DC Power Cable Lug Specifications AC Power Specifications and RequirementsDC Power Cable Specifications DC Power Cable Specifications Power Consumption for AC-Powered Routers AC Power SpecificationsAC Power System Electrical Specifications AC Power Supply Electrical Specifications Component Power Requirements for AC-Powered Routers AC Base Router Power Requirements AC Power Cord Specifications AC Power Circuit Breaker Specifications AC Plug Types AC Power Cord Specifications Distance Limitations for Signaling Site Electrical Wiring GuidelinesRadio Frequency Interference Electromagnetic Compatibility Site Electrical Wiring Guidelines Page Network Cable Specifications and Guidelines Cable and Wire Guidelines and SpecificationsFiber-Optic and Network Cable Specifications Signal Loss in Multimode and Single-Mode Fiber-Optic Cable Attenuation and Dispersion in Fiber-Optic Cable Calculating Power Budget for Fiber-Optic Cable Calculating Power Margin for Fiber-Optic CableEstimated Values for Factors Causing Link Loss Estimated Values for Factors Causing Link Loss Routing Engine Interface Cable and Wire Specifications Page RJ-45 Connector Pinout for the Routing Engine Ethernet Port Cable Connector Pinouts Pin Signal Description RJ-45 Connector Pinout for the AUX and Console Ports Removing Components from the Chassis Installing the Router Without a Mechanical Lift Removing a Power Supply Before Installing the Router Removing the Power Supplies Removing SCBs Removing the Fan Tray Removing DPCs Removing a DPC Installing the Chassis in the Rack Manually Reinstalling the Power Supplies Reinstalling Components in the Chassis To reinstall the fan tray Reinstalling the Fan Tray To reinstall an SCB see on Reinstalling SCBs To reinstall a DPC see on Reinstalling DPCs Locating Component Serial Numbers Contacting Customer Support and Returning Hardware On page 198 attached to the component body MX240 Chassis Serial Number Label MX240 Chassis Serial Number Label SCB Serial Number Label DPC Serial Number Label Power Supply Serial Number Labels Routing Engine Serial Number Label AC Power Supply Serial Number Label Information You Might Need to Supply to Jtac Contacting Customer Support Return Procedure Packing the Router for Shipment Packing Components for Shipment Page Index on Index MX240 Ethernet Services Router Hardware Guide Index Symbols CLI EMC EMI Jtac See also warnings Specifications AC power cord 174 Cable 179 Power 170