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Part 5

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Contents

North Mathilda Avenue Sunnyvale, California Hardware Guide MX240 Ethernet Services Router Hardware Guide End User License Agreement IiiPage Table of Contents Moving the Mounting Brackets for Center-Mounting the Router Part Setting Up the RouterAC Power Supply LEDs Installing the Router Using a Lift Maintaining DPCs Maintaining the Air Filter Maintaining the Fan TrayHandling and Storing DPCs Holding a DPC Storing a DPC 103 Connecting the Cable to a Management Console or Auxiliary100 102 126 Part Appendixes121 125 165 155161 163 183 Removing the Power Supplies 188 Removing the Fan Tray 189176 179 205 Part Index203 204 List of Figures Rear View of a Fully Configured AC-Powered Router Chassis 175 111191 List of Tables 186 Objectives About This GuideAudience On page xviii defines the notice icons used in this guide Documentation ConventionsText 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 Four-Port 10-Gigabit Ethernet DPC LEDs DPC Components40-Port Gigabit Ethernet DPC LEDs Host Subsystem Switch Control Board SCB SCB Redundancy SCB Slots SCB Components Switch Control Board LEDsSCB LEDs Routing Engine Components Routing Engine Ethernet Routing Engine Interface Ports Routing Engine Boot SequenceRouting 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 Host Subsystem LEDs Power Supply LEDsAlarm LEDs and Alarm Cutoff/Lamp Test Button Power Supply LEDs on the Craft Interface SCB LEDs DPC LEDsFan LEDs Power Supplies Alarm Relay ContactsAC Power Supply AC Power Supply AC Power Supply LEDs DC Power Supply Configurations for the MX240 Router DC Power SupplyAC Power Supply LEDs DC Power Supply LEDs DC Power Supply LEDsCooling System Airflow Through Chassis Air Filter Setting Up the Router Page Site Preparation Checklist Preparing the Site for Router InstallationSite Preparation Checklist Cabinet Size and Clearance Requirements Cabinet RequirementsCabinet Airflow Requirements Rack Size and Strength Rack Requirements Spacing of Mounting Bracket Holes Clearance Requirements for Airflow and Hardware MaintenanceConnection to Building Structure Chassis Dimensions and Clearance Requirements Page Installation Overview MX240 Ethernet Services Router Hardware Guide Tools and Parts Required Unpacking the RouterUnpacking 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 for a Rack or Cabinet Installing the Mounting HardwareFour-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 Safety Requirements, Warnings, and Guidelines Installing the RouterInstalling 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 Management Console or Auxiliary Device Connecting to a Network for Out-of-Band ManagementConnecting 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 Log in as the root user. There is no password Configuring Junos SoftwareConfiguring the Junos Software Configuring the Junos Software on Start the CLI Enter configuration modeConfigure the router’s domain name Configure the IP address of a DNS server Edit Root@# commit Commit the configuration to activate it on the routerPage Part Page Maintaining Hardware Components Routine Maintenance Procedures Maintaining the Air Filter Maintaining Cooling System ComponentsMaintaining 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 Juniper Networks Technical Assistance Center Troubleshooting Hardware ComponentsOverview of Troubleshooting Resources Command-Line Interface LEDs Chassis and Interface Alarm MessagesCraft 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 Removing the Craft Interface Replacing 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 Removing the Fan Tray Connecting the Alarm Relay WiresReplacing Cooling System Components Replacing the Fan Tray To install the fan tray see on Installing the Fan Tray Removing an Air Filter Replacing the Air Filter To install the air filter see on Installing the Air FilterTo 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 Removing the Management Ethernet Cable Installing the Management Ethernet CableReplacing the Management Ethernet Cable Replacing the Console or Auxiliary Cable Replacing a DPC Replacing DPCs and TransceiversRemoving 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 Removing a DC Power Supply Installing an AC 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 Disconnecting an AC Power Cord Replacing a DC Power Supply CableConnecting 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 Fire Suppression Installation Safety Guidelines and WarningsFire 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 Class 1 Laser Product Warning Class 1 LED Product Warning General Laser Safety GuidelinesWaarschuwing 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 Canada Compliance Statements for EMC RequirementsEuropean Community Japan United States Lithium BatteryCompliance Statements for Environmental Requirements Compliance Statements for Acoustic NoisePage Physical Specifications Physical SpecificationsPhysical Specifications Page Router Environmental Specifications Router Environmental SpecificationsRouter Environmental Specifications Page Chassis Grounding Specifications Power Guidelines, Requirements, and SpecificationsGrounding Cable Lug Specification Grounding Cable Specifications Grouding Cable SpecificationDC Power Specifications and Requirements DC Power Specifications DC Power System Electrical Specifications Power Consumption for DC-Powered RoutersDC Power System Electrical Specifications DC Power Supply 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 Specifications AC Power Specifications and RequirementsDC Power Cable Lug Specifications DC Power Cable Specifications AC Power Supply Electrical Specifications AC Power SpecificationsPower Consumption for AC-Powered Routers AC Power System 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 Electromagnetic Compatibility Site Electrical Wiring GuidelinesDistance Limitations for Signaling Radio Frequency Interference Site Electrical Wiring Guidelines Page Signal Loss in Multimode and Single-Mode Fiber-Optic Cable Cable and Wire Guidelines and SpecificationsNetwork Cable Specifications and Guidelines Fiber-Optic and Network Cable Specifications Attenuation and Dispersion in Fiber-Optic Cable Calculating Power Margin for Fiber-Optic Cable Calculating Power Budget 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