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Juniper Networks manual MX240 Router Overview, Router Overview on Hardware Components on

Models: MX240

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MX240 Router Overview

■Router Overview on page 3

■Hardware Components on page 5

MX240 Router Overview ■ 1

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Juniper Networks manual MX240 Router Overview, Router Overview on Hardware Components on

Contents

North Mathilda Avenue Sunnyvale, California Hardware GuideMX240 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 RouterHandling and Storing DPCs Holding a DPC Storing a DPC Maintaining the Air Filter Maintaining the Fan TrayMaintaining DPCs 100 Connecting the Cable to a Management Console or Auxiliary102 103121 Part Appendixes125 126161 155163 165176 Removing the Power Supplies 188 Removing the Fan Tray 189179 183203 Part Index204 205List of Figures Rear View of a Fully Configured AC-Powered Router Chassis191 111175 List of Tables 186 Audience About This GuideObjectives Text and Syntax Conventions Documentation ConventionsOn page xviii defines the notice icons used in this guide Convention Description Plain text like this List of Technical PublicationsJunos Software for Supported Routing Platforms Technical Documentation for Supported Routing PlatformsJunos References Web User Guide Xxiii Junos Software Network Operations Guides Junos Software with Enhanced Services DocumentationTraffic classification Documentation Feedback Obtaining DocumentationSelf-Help Online Tools and Resources Requesting Technical SupportPage Router Overview on Hardware Components on MX240 Router OverviewPage Router Description Router OverviewComponent Redundancy Router Chassis Hardware ComponentsFront View of a Fully Configured Router Chassis Rear View of a Fully Configured AC-Powered Router Chassis Dense Port Concentrators DPCs MidplaneTypical DPCs Supported on the MX240 Router 40-Port Gigabit Ethernet DPC LEDs DPC ComponentsFour-Port 10-Gigabit Ethernet DPC LEDs Host Subsystem Switch Control Board SCBSCB Redundancy SCB SlotsSCB LEDs Switch Control Board LEDsSCB Components Routing Engine Components Routing EngineEthernet Routing Engine LEDs Routing Engine Boot SequenceRouting Engine Interface Ports Craft Interface Cable Management SystemSCB LEDs on Fan LEDs on Alarm Relay Contacts on Alarm LEDs and Alarm Cutoff/Lamp Test ButtonAlarm LEDs and Alarm Cutoff/Lamp Test Button Power Supply LEDsPower Supply LEDs on the Craft Interface Host Subsystem LEDsFan LEDs DPC LEDsSCB LEDs AC Power Supply Alarm Relay ContactsPower Supplies AC Power Supply AC Power Supply LEDsAC Power Supply LEDs DC Power SupplyDC Power Supply Configurations for the MX240 Router Cooling System DC Power Supply LEDsDC Power Supply LEDs Airflow Through Chassis Air Filter Setting Up the Router Page Site Preparation Checklist Preparing the Site for Router InstallationSite Preparation Checklist Cabinet Airflow Requirements Cabinet RequirementsCabinet Size and Clearance Requirements Rack Size and Strength Rack RequirementsConnection to Building Structure Clearance Requirements for Airflow and Hardware MaintenanceSpacing of Mounting Bracket Holes Chassis Dimensions and Clearance Requirements Page Installation Overview MX240 Ethernet Services Router Hardware Guide Unpacking the Router Unpacking the RouterTools and Parts Required Verifying Parts Received Contents of the Shipping CrateAccessory Box Parts List Parts List for a Fully Configured RouterAccessory Box Parts List Four-Post Rack or Cabinet Mounting Hole Locations Installing the Mounting HardwareInstalling the Mounting Hardware for a Rack or Cabinet MX240 Ethernet Services Router Hardware Guide Moving the Mounting Brackets for Center-Mounting the Router Installing the Mounting Hardware for an Open-Frame RackMX240 Ethernet Services Router Hardware Guide Installing the Router Using a Mechanical Lift Installing the RouterSafety Requirements, Warnings, and Guidelines Tools Required Installing the Router Using a LiftInstalling the Router in the Rack Page Connecting the Router to Management and Alarm Devices Connecting the RouterConnecting to an External Alarm-Reporting Device Connecting to a Network for Out-of-Band ManagementConnecting to a Management Console or Auxiliary 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 RouterTo power on an AC-powered router Powering On an AC-Powered RouterConnecting Power to a DC-Powered Router Grounding and Providing Power to the Router Connecting DC Power to the Router Powering On a DC-Powered RouterPowering 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 passwordConfigure the router’s domain name Enter configuration modeConfigure the IP address of a DNS server Start the CLIEdit Root@# commit Commit the configuration to activate it on the routerPage Part Page Maintaining Hardware Components Routine Maintenance ProceduresMaintaining the Fan Tray Maintaining Cooling System ComponentsMaintaining the Air Filter Maintaining Hardware Components User@host show chassis routing-engine Maintaining the Host SubsystemUser@host show chassis environment cb Maintaining DPCs Maintaining Packet Forwarding Engine ComponentsUser@host show chassis fpc detail Handling and Storing DPCs Maintaining DPC CablesDPC Edges Holding a DPCDo Not Grasp the Connector Edge Do Not Rest the DPC on an Edge Storing a DPCMaintaining the Power Supplies Overview of Troubleshooting Resources Troubleshooting Hardware ComponentsCommand-Line Interface Juniper Networks Technical Assistance CenterCraft Interface LEDs Chassis and Interface Alarm MessagesLEDs Component LEDs Airflow Through the Chassis Troubleshooting the Cooling SystemTroubleshooting DPCs Basics and Services Command Reference Troubleshooting the Power SystemTemperature DC output Page Field-Replaceable Units FRUs Replacing Hardware ComponentsTools and Parts Required Field-Replaceable UnitsTo remove the craft interface see on Replacing the Craft InterfaceRemoving the Craft Interface To install the craft interface see on Installing the Craft InterfaceDisconnecting the Alarm Relay Wires Replacing Alarm Relay WiresReplacing Cooling System Components Connecting the Alarm Relay WiresReplacing the Fan Tray Removing the Fan TrayTo install the fan tray see on Installing the Fan TrayRemoving an Air Filter Replacing the Air FilterTo remove the air filter see on Installing the Air FilterTo install the air filter see on Taking the Host Subsystem Offline Replacing Host Subsystem ComponentsMaster in the Current state field Replacing an SCBOperating and Positioning the SCB Ejectors Removing an SCB Removing an SCBTo install an SCB see on Installing an SCBTo check the status of the SCB, use the CLI command Removing a Routing Engine Replacing a Routing EngineRemoving a Routing Engine Installing a Routing EngineReplacing Connections to Routing Engine Interface Ports Installing a Routing EngineReplacing the Management Ethernet Cable Installing the Management Ethernet CableReplacing the Console or Auxiliary Cable Removing the Management Ethernet CableRemoving a DPC Replacing DPCs and TransceiversReplacing a DPC User@hostrequest chassis fpc slot slot-numberoffline To install a DPC see on Installing a DPCUser@hostrequest chassis fpc slot slot-numberonline Removing an SFP or XFP Transceiver Installing a DPCRemoving SFPs or XFPs Replacing Power System Components Installing an SFP or XFP TransceiverRemoving an AC Power Supply Removing an AC Power SupplyTo install an AC power supply see on Installing an AC Power SupplyRemoving a DC Power Supply Replacing Hardware Components Removing a DC Power Supply from an MX240 Router Installing a DC Power SupplyReplacing Hardware Components Installing a DC Power Supply in an MX240 Router Replacing an AC Power CordConnecting an AC Power Supply Cord Replacing a DC Power Supply CableDisconnecting an AC Power Cord Connecting a DC Power Supply Cable Disconnecting a DC Power Supply CableRemoving the Cable Management System Replacing the Cable Management SystemRemoving or Installing the Cable Management System Installing the Cable Management SystemAppendixes MX240 Ethernet Services Router Hardware Guide Appendixes Definition of Safety Warning Levels Safety and Regulatory Compliance InformationSafety Guidelines and Warnings Qualified Personnel Warning General Safety Guidelines and WarningsRestricted Access Area Warning Appendix a Safety and Regulatory Compliance Information Preventing Electrostatic Discharge Damage Fire Safety RequirementsFire Suppression Equipment Installation Safety Guidelines and WarningsFire Suppression Chassis-Lifting Guidelines Installation Instructions WarningRack-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 WarningsWaarschuwing Klasse 1 LED-product General Laser Safety GuidelinesClass 1 Laser Product Warning Class 1 LED Product Warning Laser Beam Warning Radiation from Open Port Apertures Warning Maintenance and Operational Safety Guidelines and WarningsOperating Temperature Warning on Product Disposal Warning on Battery Handling WarningJewelry Removal Warning Lightning Activity Warning Operating Temperature WarningProduct Disposal Warning Case of Electrical Accident Electrical Safety Guidelines and WarningsGrounded Equipment Warning General Electrical Safety Guidelines and WarningsMX240 Ethernet Services Router Hardware Guide Power Disconnection Warning TN Power Warning AC Power Electrical Safety GuidelinesDC Power Electrical Safety Guidelines DC Power Electrical Safety Guidelines and WarningsCopper 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 ComplianceCompliance Statements for NEBs Requirements EN 60950-1 Safety of Information Technology EquipmentEuropean Community Compliance Statements for EMC RequirementsCanada 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 Grounding Cable Lug Specification Power Guidelines, Requirements, and SpecificationsChassis Grounding Specifications DC Power Specifications and Requirements Grouding Cable SpecificationDC Power Specifications Grounding Cable SpecificationsDC Power System Electrical Specifications Power Consumption for DC-Powered RoutersDC Power Supply Electrical Specifications DC Power System Electrical SpecificationsComponent Power Requirements DC-Powered Base Router Power RequirementsDC Power Circuit Breaker Specifications On page 170 shows a typical DC source cabling arrangement DC Power Cable SpecificationsDC Power Cable Lug Specifications AC Power Specifications and RequirementsDC Power Cable Specifications DC Power Cable SpecificationsPower Consumption for AC-Powered Routers AC Power SpecificationsAC Power System Electrical Specifications AC Power Supply Electrical SpecificationsComponent Power Requirements for AC-Powered Routers AC Base Router Power RequirementsAC Power Cord Specifications AC Power Circuit Breaker SpecificationsAC Plug Types AC Power Cord SpecificationsDistance Limitations for Signaling Site Electrical Wiring GuidelinesRadio Frequency Interference Electromagnetic CompatibilitySite 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 CableAttenuation and Dispersion in Fiber-Optic Cable Estimated Values for Factors Causing Link Loss Calculating Power Budget for Fiber-Optic CableCalculating Power Margin for Fiber-Optic Cable 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 PinoutsPin Signal Description RJ-45 Connector Pinout for the AUX and Console PortsRemoving Components from the Chassis Installing the Router Without a Mechanical LiftRemoving a Power Supply Before Installing the Router Removing the Power SuppliesRemoving SCBs Removing the Fan TrayRemoving DPCs Removing a DPC Installing the Chassis in the Rack Manually Reinstalling the Power Supplies Reinstalling Components in the ChassisTo reinstall the fan tray Reinstalling the Fan TrayTo reinstall an SCB see on Reinstalling SCBsTo reinstall a DPC see on Reinstalling DPCsLocating Component Serial Numbers Contacting Customer Support and Returning HardwareOn page 198 attached to the component body MX240 Chassis Serial Number LabelMX240 Chassis Serial Number Label SCB Serial Number LabelDPC Serial Number Label Power Supply Serial Number LabelsRouting Engine Serial Number Label AC Power Supply Serial Number LabelInformation You Might Need to Supply to Jtac Contacting Customer SupportReturn Procedure Packing the Router for Shipment Packing Components for Shipment Page Index on IndexMX240 Ethernet Services Router Hardware Guide Index Symbols CLI EMC EMI Jtac See also warnings Specifications AC power cord 174 Cable 179 Power 170