Juniper-networks MX480 Manuale Utente

MX480 3D Universal Edge RouterHardware GuidePublished: 2013-02-04Copyright © 2013, Juniper Networks, Inc.

Chapter 14 Replacing MX480 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 161MX480 Field-Replaceable Units (FRUs) . . . . .

• Tools Required to Install the MX480 Router with a Mechanical Lift on page 69• Removing Components from the MX480 Router Before Installing It with a

Figure 42: Reinstalling a Power SupplyReinstalling the Fan Tray After Installing the MX480 Router with a LiftTo reinstall the fan tray (see Figure 43

Figure 43: Reinstalling a Fan TrayReinstalling the SCBs After Installing the MX480 Router with a LiftTo reinstall an SCB (see Figure 44 on page 79):CA

Figure 44: Reinstalling an SCBReinstalling the DPCs After Installing the MX480 Router with a LiftTo reinstall a DPC (see Figure 45 on page 80):1. Atta

Figure 45: Reinstalling a DPCReinstalling the FPCs After Installing the MX480 Router with a LiftTo reinstall an FPC (see Figure 46 on page 81):1. Atta

Figure 46: Reinstalling an FPCOKMASTERFANONLINEOFFLINE0110FAILFAILPEMFAILFAILFAILFAILFAILFAILESDOKOKOKOKOKOKOK2345ACO/LTYELLOWALARMREDALARMNCNOCNCNOCM

Figure 47: Installing the Cable Management BracketsRelatedDocumentation• Preventing Electrostatic Discharge Damage to an MX480 Router on page 248• Too

CHAPTER 8Installing the MX480 Router Without aMechanical Lift•Tools Required to Install the MX480 Router Without a Mechanical Lift on page 83•Removing

cables to the router. The following procedures describe how to remove components fromthe chassis, first from the rear and then from the front:1.Removi

Removing the Fan Tray Before Installing the MX480 Router Without a LiftTo remove the fan tray (see Figure 49 on page 85 ):1. Attach an electrostatic d

Replacing an MX480 AS MSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217Removing an MX480 AS MSC . . . . . . . .

5. Place one hand underneath the SCB to support it, and slide it completely out of thechassis. Place it on the antistatic mat.CAUTION: Do not stack ha

When the DPC is out of the chassis, do not hold it by the ejector handles,bus bars, or edge connectors. They cannot support its weight.Do not stack DP

Figure 52: Removing an FPCOKMASTERFANONLINEOFFLINE0110FAILFAILPEMFAILFAILFAILFAILFAILFAILESDOKOKOKOKOKOKOK2345ACO/LTYELLOWALARMREDALARMNCNOCNCNOCMX480

Installing the MX480 Chassis in the Rack ManuallyTo install the router in the rack (see Figure 53 on page 90):CAUTION: If you are installing more than

Figure 53: Installing the Router in the RackNOTE: This illustration depicts the router being installed in an open-framerack.RelatedDocumentationMX480

Reinstalling Components in the MX480 Router After Installing It Without a LiftAfter the router is installed in the rack, you reinstall the removed com

Figure 54: Reinstalling a Power SupplyReinstalling the Fan Tray After Installing the MX480 Router Without a LiftTo reinstall the fan tray (see Figure

Figure 55: Reinstalling a Fan TrayReinstalling the SCBs After Installing the MX480 Router Without a LiftTo reinstall an SCB (see Figure 56 on page 94)

Figure 56: Reinstalling an SCBReinstalling the DPCs After Installing the MX480 Router Without a LiftTo reinstall a DPC (see Figure 57 on page 95):1. A

Figure 57: Reinstalling a DPCReinstalling the FPCs After Installing the MX480 Router Without a LiftTo reinstall a DPC (see Figure 58 on page 96):1. At

Laser Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . . . . 257Class 1 Laser Product Warning . . . . . . . . . . .

Figure 58: Reinstalling an FPCOKMASTERFANONLINEOFFLINE0110FAILFAILPEMFAILFAILFAILFAILFAILFAILESDOKOKOKOKOKOKOK2345ACO/LTYELLOWALARMREDALARMNCNOCNCNOCM

CHAPTER 9Connecting the MX480 Router•Tools and Parts Required for MX480 Router Connections on page 97•Connecting the MX480 Router to Management and Al

3. Plug the other end of the cable into the network device.Figure 59: Ethernet PortFigure 60: Routing Engine Ethernet Cable ConnectorConnecting the MX

Figure 61: Auxiliary and Console PortsFigure 62: Routing Engine Console and Auxiliary Cable ConnectorConnecting the MX480 Router to an External Alarm-

RelatedDocumentationTools and Parts Required for MX480 Router Connections on page 97•• Routing Engine Interface Cable and Wire Specifications for MX S

Figure 64: Attaching a Cable to a DPCFigure 65: Attaching a Cable to a MICg004928Fiber-optic cableRelatedDocumentation• Tools and Parts Required for M

Copyright © 2013, Juniper Networks, Inc.102MX480 3D Universal Edge Router Hardware Guide

CHAPTER 10Grounding and Providing Power to theMX480 Router•Tools and Parts Required for MX480 Router Grounding and PowerConnections on page 103•Ground

appropriately-sized driver orsocket wrench,with a maximumtorque capacityof 50 lb-in. or less. Ensure that the driver is undamaged and properlycalibrat

Connecting Power to an AC-Powered MX480 Router with Normal-Capacity PowerSuppliesCAUTION: Do not mix AC and DC power supplies within the same router.D

MX480 Chassis Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294MX480 Chassis Grounding Points Specifications .

Figure 66: Connecting AC Power to the Router (110V)RelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•Instal

Figure 67: Installing an AC Power SupplyPowering On an AC-Powered MX480 RouterTo power on an AC-powered router:1. Attach an electrostatic discharge (E

NOTE: After powering off a power supply, wait at least 60 seconds beforeturning it back on. After powering on a power supply, wait at least 60seconds

To connect the DC source power cables to the router:1. Switch off the dedicated customer site circuit breakers. Ensure that the voltage acrossthe DC p

CAUTION: The maximum torque rating of the terminal studs on the DCpower supply is 36 lb-in. (4.0 Nm). The terminal studs may be damagedif excessive to

Installing an MX480 DC High-Capacity Power SupplyTo install a DC power supply:1. Ensure that the voltage across the DC power source cable leads is 0 V

CAUTION: Ensurethat each powercablelug seats flush against the surfaceof the terminal block as you are tightening the nuts. Ensure that each nutis pro

Figure 70: Connecting DC Power to the RouterPowering On a DC-Powered MX480 RouterTo power on a DC-powered router:1. Verify that an external management

NOTE: The circuit breaker may bounce back to the off (O) position if youmove the breaker too quickly.If any of the status LEDs indicates that the powe

Powering Off the MX480 RouterNOTE: After powering off a power supply, wait at least 60 seconds beforeturning it back on.To power off the router:1. On

MX480 Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 326Contacting Customer Support . . . . . . . . . . . . . . .

Copyright © 2013, Juniper Networks, Inc.116MX480 3D Universal Edge Router Hardware Guide

CHAPTER 11Configuring Junos OS•Initially Configuring the MX480 Router on page 117Initially Configuring the MX480 RouterThe MX480 router is shipped wit

3. Start the CLI.root# cliroot@>4. Enter configuration mode.cli> configure[edit]root@#5. Configure the name of the router. If the name includes

[edit]root@# set system root-authentication ssh-dsa public-keyor[edit]root@# set system root-authentication ssh-rsa public-key13. (Optional) Configure

[edit]root@host# exitroot@host>NOTE: To reinstall the Junos OS, you boot the router from the removablemedia. Do not insert the removable media duri

PART 3Hardware Maintenance, Troubleshooting,and Replacement Procedures•Maintaining MX480 Router Hardware Components on page 123•Troubleshooting MX480

Copyright © 2013, Juniper Networks, Inc.122MX480 3D Universal Edge Router Hardware Guide

CHAPTER 12Maintaining MX480 Router HardwareComponentsThis chapter describes how to maintain hardware components installed in the router.Some component

• Inspect the air filter at the left rear of the router, replacing it every 6 months for optimumcooling system performance. Do not run the router for

Class Item Status Measurement Temp PEM 0 OK 40 degrees C / 104 degrees F PEM 1

List of FiguresPart 1 MX480 3D Universal Edge Router OverviewChapter 2 MX480 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . .

FPC 2 Intake OK 34 degrees C / 93 degrees F FPC 2 Exhaust A OK 38 degrees C / 100 degr

FPC 4 I3 1 Chip OK 50 degrees C / 122 degrees F FPC 4 I3 2 TSensor OK 48 degrees C / 118 deg

Top Front Fan OK Spinning at intermediate-speed Bottom Front Fan OK Spinning at intermed

Kernel 0 percent Interrupt 0 percent Idle 100 percent Model

To check the status of a specific SCB, issue the show chassis environment cb commandand include the slot number of the SCB. The output is similar to t

Action On a regular basis:• Check the LEDs on the craft interface directly above each DPC slot. The green LEDlabeled OK lights steadily when a DPC is

Start time: 2007-07-10 12:28:42 PDT Uptime: 1 hour, 33 minutes, 43 seconds Max Power Consu

Temp CPU Utilization (%) Memory Utilization (%)Slot State (C) Total Interrupt DRAM (MB) Heap Buffer 0 Online 24

Slot 3 Online MPC Type 2 3D EQ PIC 0 Online 1x 10GE XFP PIC 1 Online 1x 10GE XFPSlot 4 Online MPC 3D 16x 10GE PIC 0

Slot 4 Online MPC 3D 16x 10GE PIC 0 Online 4x 10GE(LAN) SFP+ PIC 1 Online 4x 10GE(LAN) SFP+ PIC 2 Online 4x 10GE(LAN)

Figure 33: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Chapter 6 Installing the MX480 Router Moun

Slot 1 information: State Online Temperature 32 degrees C / 89 degrees F Total CPU DRAM

Slot 4 Online MPC 3D 16x 10GE PIC 0 Online 4x 10GE(LAN) SFP+ PIC 1 Online 4x 10GE(LAN) SFP+ PIC 2 Online 4x 10GE(LAN)

RelatedDocumentationMX480 Modular Interface Card (MIC) Description on page 15•• MX480 Modular Interface Card (MIC) LEDs on page 16• Troubleshooting th

After you clean an optical transceiver, make sure that the connector tip of the fiber-opticcable is clean. Use only an approved alcohol-free fiber-opt

Figure 71: DPC EdgesRelatedDocumentationHolding an MX480 DPC on page 140•• Installing a Cable on an MX480 DPC, MPC, MIC, or PIC on page 224• Maintaini

To hold a DPC horizontally:1. Orient the DPC so that the faceplate faces you.2. Grasp the top edge with your left hand and the bottom edge with your r

Figure 73: Do Not Rest the DPC on an EdgeIf you must rest the DPC temporarily on an edge while changing its orientation betweenvertical and horizontal

Never stack a DPC under or on top of any other component.RelatedDocumentationMX480 DPC Terminology on page 139•• Holding an MX480 DPC on page 140Holdi

• Storing an MX480 FPC on page 146Holding an MX480 FPCCAUTION: Many components on the FPC are fragile. Failure to handle FPCsas specified in this docu

Figure 76: Do Not Carry an FPC with Only One Hand•Do not rest any edge of an FPC directly against a hard surface (see Figure77 on page 146). If you mu

Part 3 Hardware Maintenance, Troubleshooting, and ReplacementProceduresChapter 12 Maintaining MX480 Router Hardware Components . . . . . . . . . . . .

Figure 77: Do Not Rest the FPC on an EdgeYou hold an FPC horizontally when installing it into the chassis or an equipment rack.If the FPC is horizonta

CAUTION: To prevent damage when storing FPCs:Never lay an FPC component-side down.•Figure 78: Do Not Stack FPCs•Never stack an FPC under or on top of

• Routinely check the status LEDs on the power supply faceplates and the craft interfaceto determine if the power supplies are functioning normally.•

CHAPTER 13Troubleshooting MX480 HardwareComponents•Troubleshooting Resources for MX480 Routers on page 149•Troubleshooting the MX480 Cooling System on

Chassis and Interface Alarm MessagesWhen the Routing Engine detects an alarm condition, it lights the red or yellow alarmLED on the craft interface as

•SCB LEDs—Two LEDs, OK and FAIL, indicate the status of each SCB. Green indicatesOK and red indicates a failure. The SCB LEDs are located on the left

Troubleshooting the MX480 Cooling SystemProblem The fans in the fan tray are not functioning normally.Solution Follow these guidelines to troubleshoot

• Check the OK/FAIL LED on the DPC and OK and FAIL DPC LEDs on the craft interface.When the DPC is online and functioning normally, the OK LED lights

Uptime: 1 hour, 33 minutes, 43 seconds Max Power Consumption 333 WattsFor further description of the outp

Temperature 24 degrees C / 75 degrees F Total CPU DRAM 1024 MB Total RLDRAM 128 MB

Figure 115: Removing an AS MXC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221Figure 116: Installing an AS MXC . . . .

user@host> show chassis fpc pic-statusSlot 0 Online DPC 40x 1GE R PIC 0 Online 10x 1GE(LAN) PIC 1 Online 10x 1GE(LAN) PIC

Temp CPU Utilization (%) Memory Utilization (%)Slot State (C) Total Interrupt DRAM (MB) Heap Buffer 0 Onl

Total CPU DRAM 2048 MB Total RLDRAM 1324 MB Total DDR DRAM 5120 MB Start time:

• Replacing an MX480 MIC on page 208Troubleshooting the MX480 Power SystemProblem The power system is not functioning normally.Solution Check the LEDs

• Verify that the source circuit breaker has the proper current rating. Each power supplymust be connected to a separate source circuit breaker.• Veri

CHAPTER 14Replacing MX480 Hardware Components•MX480 Field-Replaceable Units (FRUs) on page 161•Tools and Parts Required to Replace MX480 Hardware Comp

Table 24 on page 162 lists the FRUs for the MX480 router. Before you replace an SCB ora Routing Engine, you must take the host subsystem offline.Table

Table 25: Tools and Parts Required (continued)ComponentsTool or Part•Craft Interface•DPC•FPC•PIC•MPC•MIC•Routing Engine•SCBElectrostatic bag or antist

CAUTION: Always keep the air filter in place while the router is operating,except during replacement. Because the fans are very powerful, they couldpu

Figure 80: Installing the Air Filterg004228RelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•• Maintaining

List of TablesAbout the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiTable 1: Notice Icons . . .

Figure 81: Alarm Relay ContactsRemoving the MX480 Craft InterfaceTo remove the craft interface (see Figure 82 on page 166):1. Attach an electrostatic

4. Align the bottom of the craft interface with the sheet metal above the card cage andpress it into place.5. Tighten the screws on the left and right

• MX480 Craft Interface Description on page 37• Alarm LEDs and Alarm Cutoff/Lamp Test Button on the MX480 Craft Interface onpage 37Replacing the MX480

Figure 85: Removing the Fan TrayInstalling the MX480 Fan TrayTo install the fan tray (see Figure 86 on page 170):1. Attach an electrostatic discharge

Figure 86: Installing the Fan TrayRelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•Replacing MX480 Host Su

offline causes the router to shut down. The effect of taking the master host subsystemoffline varies depending on your configuration of high availabil

NOTE: Router performance might change if the backup Routing Engine'sconfiguration differs from the former master's configuration. For the mo

•Issue the following command. The master Routing Engine is designated Master inthe Current state field:user@host> show chassis routing-engineRoutin

RelatedDocumentationMX480 Switch Control Board (SCB) Description on page 26•• MX480 Switch Control Board (SCB) LEDs on page 28• Replacing an MX480 SCB

Figure 87: Removing an SCBInstalling an MX480 SCBTo install an SCB (see Figure 88 on page 176):1. Attach an electrostatic discharge (ESD) grounding st

Juniper Networks, Inc.1194 North Mathilda AvenueSunnyvale, California 94089USA408-745-2000www.juniper.netThis product includes the Envoy SNMP Engine,

Table 25: Tools and Parts Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162Table 26: Effect of Taking the Host Subs

3.3 V 6593 mV 5.0 V 5111 mV 12.0 V 12181 mV 1.25 V 1250 mV

Upgrading an MX480 SCB1.Preparing for the Upgrade on page 1772.Upgrading the SCB in the Backup Routing Engine on page 1783.Upgrading the SCB in the Ma

example, if the router name is juniper, you can connect to RE0 and RE1 consoles byissuing the telnet juniper-con and telnet juniper1-con commands.4. E

user@host> show chassis fabric summaryPlane State Uptime 4 Offline 5 Online 1 hour, 15 minutes, 35 seconds Verify that the State of Plane

As only one SCB has been upgraded, the alarm indicates that the SCBs are of mixedtype. This alarm is cleared after all the control boards are upgraded

CB 0 status:State OfflinePower 1 DisabledPower 2 Disabled12. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connec

Completing the SCB UpgradeTo complete the procedure after upgrading the SCBs:1. Verify that any Modular Port Concentrator (MPC) is running at 3G inste

FPC 1PFE #0 Plane 0: Links ok Plane 1: Links ok Plane 2: Plane enabled Plane 3: Plane enabled Plane 4: Plane enabled Plane 5: Plane enabledPFE #1 Plan

10. You can delete that command by issuing the deletechassis state cb-upgrade commandand then the commit command.11. Verify the SCBs before you finish

7. Grasp the Routing Engine by the ejector handles, and slide it about halfway out of thechassis.8. Place one hand underneath the Routing Engine to su

About the Documentation•Junos Documentation and Release Notes on page xxi•Documentation Conventions on page xxi•Documentation Feedback on page xxiii•R

The Routing Engine might require several minutes to boot.After the Routing Engine boots, verify that it is installed correctly by checking the RE0and

Figure 91: RE-A-1800 Storage Drive Slotsg006041USBportResetbuttonOnlineLEDStorageLEDSSDslot 2SSDslot 1Online/OfflinebuttonExtractorclipExtractorclipFi

The following drive has been verified to work in the RE-1800 Routing Engines:•SSD SLC 32 GBTo replace a storage drive:1. Disable and deactivate the st

4. Plug one end of the replacement cable into the ETHERNET port. Figure 94 on page 189shows the port.5. Plug the other end of the cable into the netwo

RelatedDocumentationRouting Engine Interface Cable and Wire Specifications for MX Series Routers onpage 310•• Preventing Electrostatic Discharge Damag

CAUTION: Avoid bending fiber-optic cable beyond its minimum bendradius.An arc smaller than a few inches in diameter can damagethe cableand cause probl

Figure 96: Removing a DPCInstalling an MX480 DPCA DPC weighs up to 14.5 lb (6.6 kg). Be prepared to accept its full weight.To install a DPC (see Figur

as it hangs to the floor. Place excess cable out of the way in a neatly coiled loop.Placing fasteners on the loop helps to maintain its shape.CAUTION:

Figure 98: Attaching a Cable to a DPCRelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•• MX480 Dense Port C

4. Use one of the following methods to take the FPC offline:•Press and hold the FPC online/offline button. The green OK LED next to the buttonbegins t

Table 2 on page xxii defines the text and syntax conventions used in this guide.Table 2: Text and Syntax ConventionsExamplesDescriptionConventionTo en

CAUTION: The weight of the FPC is concentrated in the back end. Beprepared to accept the full weight—up to 18 lb (8.2 kg)—as you slide theFPC out of t

Installing an MX480 FPCAn FPC takes up two DPC slots on the MX480 router. Up to three FPCs can be installedhorizontally in the front of the router. Th

CAUTION: Do not let fiber-optic cable hang free from the connector. Donot allow fastened loops of cable to dangle, which stresses the cable atthe fast

Figure 100: Installing an FPCOKMASTERFANONLINEOFFLINE0110FAILFAILPEMFAILFAILFAILFAILFAILFAILESDOKOKOKOKOKOKOK2345ACO/LTYELLOWALARMREDALARMNCNOCNCNOCMX

•Press its online/offline button. For a PIC installed in FPC3, use a narrow-ended toolthat fits inside the opening that leads to the button. Press and

Figure 101: Removing a PICg004412Installing an MX480 PICTo install a PIC (see Figure 102 on page 203):1. Attach an electrostatic discharge (ESD) groun

CAUTION: Do not leave a fiber-optic transceiver uncovered except whenyou are inserting or removing cable. The safety cap keeps the port cleanand preve

Figure 102: Installing a PICg004411RelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•• Troubleshooting the

Removing an MX480 MPCWhen you remove an MPC, the router continues to function, although the MIC interfacesinstalled on the MPC being removed no longer

7. Arrange the disconnected cables in the cable management brackets to prevent thecables from developing stress points.8. Simultaneously turn both the

Table 2: Text and Syntax Conventions (continued)ExamplesDescriptionConventionJ-Web GUI Conventions•In the Logical Interfaces box, selectAll Interfaces

Installing an MX480 MPCAn MPC installs horizontally in the front of the router. The MPCs are hot-insertable andhot-removable. A fully configured MPC c

CAUTION: Avoid bending fiber-optic cable beyond its minimum bendradius.An arc smaller than a few inches in diameter can damagethe cableand cause probl

Replacing an MX480 MIC1.Removing an MX480 MIC on page 2082.Installing an MX480 MIC on page 2103.Installing an MX480 Dual-Wide MIC on page 212Removing

6. Arrange the cable to prevent it from dislodging or developing stress points. Securethe cable so that it is not supporting its own weight as it hang

Installing an MX480 MICTo install a MIC (see Figure 108 on page 211):1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, an

WARNING: Do not look directly into a fiber-optic transceiver or into theends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cableconn

Installing an MX480 Dual-Wide MICTo install a dual-wide MIC (see Figure 110 on page 213):1. Attach an electrostatic discharge (ESD) grounding strap to

WARNING: Do not look directly into a fiber-optic transceiver or into theends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cableconn

• Troubleshooting the MX480 MICs on page 158• Replacing an MX480 MPC on page 203• Preventing Electrostatic Discharge Damage to an MX480 Router on page

6. Place one hand around the front of the AS MLC (the modular card housing) and theother hand under it to support it. Slide the AS MLC completely out

•Find CSC offerings: http://www.juniper.net/customers/support/•Search for known bugs: http://www2.juniper.net/kb/•Find product documentation: http://w

Installing an MX480 AS MLCYou can install up to five Application Services Modular Line Cards (AS MLCs) horizontallyin the front of the MX480 router. T

You can also verify correct AS MLC and AS MSC or AS MXC functioning by issuing theshow chassis fpc and show chassis fpc pic-status.Figure 112: Install

•Issue the following CLI command:user@host> request chassis pic fpc-slot fpc-slot pic-slot pic-slot offlineFor more information about the command,

CAUTION: Slide the AS MSC straight into the slot to avoid damaging thecomponents on the bottom of the AS MSC.3. Use one of the following methods to br

Replacing an MX480 AS MXC1.Removing an MX480 AS MXC on page 2202.Installing an MX480 AS MXC on page 221Removing an MX480 AS MXCAS MXCs are hot-inserta

Figure 115: Removing an AS MXCg006677Installing an MX480 AS MXCTo install an AS MXC (see Figure 116 on page 222):1. Attach an electrostatic discharge

The normal functioning status LED confirms that the AS MXC is online. You can alsoverify correct AS MXC functioning by issuing the show chassis fpc pi

•To take a DPC or an MPC offline:•Press and hold the corresponding online button on the craft interface. The greenOK LED next to the button begins to

Installing a Cable on an MX480 DPC, MPC, MIC, or PICTo install a cable:1. Have ready a length of the type of cable used by the DPC, MPC, MIC, or PIC.

For more information about the command, see the Junos OS Operational ModeCommands.•To bring a PIC online:•Press the PIC offline/online button until th

PART 1MX480 3D Universal Edge RouterOverview•MX480 Router Overview on page 3•MX480 Hardware Components on page 71Copyright © 2013, Juniper Networks, I

WARNING: Do not look directly into a fiber-optic transceiver or into theends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cableconn

CAUTION: After removing a transceiver from the chassis, wait at least 30seconds before reinserting it or inserting a transceiver into a different slot

Replacing an MX480 AC Power Supply1.Removing an MX480 AC Power Supply on page 2282.Installing an MX480 AC Power Supply on page 229Removing an MX480 AC

Figure 118: Removing an AC Power SupplyInstalling an MX480 AC Power SupplyTo install an AC power supply (see Figure 119 on page 230):1. Attach an elec

Figure 119: Installing an AC Power Supply in an MX480 RouterRelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 2

power supply or a blank panel. If you remove a power supply, you must installa replacement power supply or a blank panel shortly after the removal.NOT

Figure 120: Removing a DC Power Supply from the RouterInstalling an MX480 DC Power SupplyWARNING: Before performing DC power procedures, ensure that p

23 lb-in. (2.6 Nm) and 25 lb-in. (2.8 Nm) of torque to each nut. Do not overtighten thenut. (Use a 7/16-in. [11 mm] torque-controlled driver or socket

11. Verify that the power cabling is correct, that the cables are not touching or blockingaccess to router components, and that they do not drape wher

Figure 122: Connecting DC Power to the RouterRelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•• MX480 DC P

Copyright © 2013, Juniper Networks, Inc.2MX480 3D Universal Edge Router Hardware Guide

Connecting an MX480 AC Power Supply CordTo connect the AC power cord:1. Locate a replacement power cord with the type of plug appropriate for yourgeog

3. Verify that the INPUT OK LED on the power supply is not lit.4. Remove the power cable from the external DC power source.5. Attach an electrostatic

CAUTION: The maximum torque rating of the terminal studs on the DCpower supply is 36 lb-in. (4.0 Nm). The terminal studs may be damagedif excessive to

RelatedDocumentationPreventing Electrostatic Discharge Damage to an MX480 Router on page 248•• MX480 DC Power Supply Description on page 44• Replacing

Copyright © 2013, Juniper Networks, Inc.240MX480 3D Universal Edge Router Hardware Guide

PART 4Appendixes•Safety and Regulatory Compliance Information for the MX480 Router on page 243•MX480 Router Physical Specifications on page 281•MX480

Copyright © 2013, Juniper Networks, Inc.242MX480 3D Universal Edge Router Hardware Guide

APPENDIX ASafety and Regulatory ComplianceInformation for the MX480 Router•Definition of Safety Warning Levels on page 243•General Safety Guidelines f

WARNING: This symbol means danger. You arein a situation that could causebodily injury. Before you work on any equipment, be aware of the hazardsinvol

Varning! Denna varningssymbol signalerar fara. Du befinner dig i en situationsom kan leda till personskada. Innan du utför arbete på någon utrustningm

CHAPTER 1MX480 Router Overview•MX480 Router Description on page 3•MX480 Component Redundancy on page 4MX480 Router DescriptionThe MX480 3D Universal E

•Avoid spilling liquid onto the chassis or onto any hardware component. Such an actioncould cause electrical shock or damage the hardware equipment.•A

Restricted Access Area WarningWARNING: The hardware equipment is intended for installation in restrictedaccess areas. A restricted access area is an a

¡Atención! Esta unidad ha sido diseñada para instalarse en áreas de accesorestringido. Área de acceso restringido significa un área a la que solamente

Figure 125: Placing a Component into an Electrostatic BagRelatedDocumentationGeneral Safety Guidelines for Juniper Networks Devices on page 245•• Gene

Fire Suppression EquipmentType C fire extinguishers, which use noncorrosive fire retardants such as carbon dioxide(CO2) and Halotron, are most effecti

Waarschuwing Raadpleeg de installatie-aanwijzingenvoordat u het systeemmet de voeding verbindt.Varoitus Lue asennusohjeetennen järjestelmän yhdistämis

Waarschuwing Om lichamelijk letsel te voorkomen wanneer u dit toestel ineen rek monteert of het daar een servicebeurt geeft, moet u specialevoorzorgsm

um sicherzustellen, daß das System stabil bleibt. Die folgenden Richtliniensollen zur Gewährleistung Ihrer Sicherheit dienen:•Der router muß in einem

de que o sistema possui um suporte estável. As seguintes directrizesajudá-lo-ão a efectuar o seu trabalho com segurança:•O router deverá ser instalado

Ramp WarningWARNING: When installing the hardware equipment, do not use a rampinclined at more than 10 degrees.Waarschuwing Gebruik een oprijplaat nie

•Control plane—Gigabit Ethernet links between the combined SCBs/Routing Enginesand each DPC, FPC, or MPC. All board-to-board information is passed ove

To lift routing devices and components, use the following lifting guidelines:•Up to 39.7 lbs (18 kg) 1 person lift.•39.7 lbs (18 kg) to 70.5 lbs (32 k

Laser Safety Warnings for Juniper Networks Devices•Class 1 Laser Product Warning on page 257•Class 1 LED Product Warning on page 257•Laser Beam Warnin

Laser Beam WarningWARNING: Do not stare into the laser beam or view it directly with opticalinstruments.Waarschuwing Niet in de straal staren of hem r

Warnung Aus der Port-Öffnung können unsichtbare Strahlen emittieren,wenn kein Glasfaserkabel angeschlossen ist. Vermeiden Sie es, sich denStrahlungen

Waarschuwing Er is ontploffingsgevaar als de batterij verkeerd vervangenwordt. Vervang de batterij slechts met hetzelfde of een equivalent type datdoo

Waarschuwing Alvorens aan apparatuur te werken die met elektrischeleidingen is verbonden, sieraden (inclusief ringen, kettingen en horloges)verwijdere

allvarliga brännskador; metallobjekt kan också sammansvetsas medkontakterna.Lightning Activity WarningWARNING: Do notworkon the system or connect or d

Varoitus Ettei router-sarjan reititin ylikuumentuisi, sitä ei saa käyttää tilassa,jonka lämpötila ylittää korkeimman suositellun ympäristölämpötilan 4

Waarschuwing Dit produkt dient volgens alle landelijke wetten envoorschriften te worden afgedankt.Varoitus Tämän tuotteen lopullisesta hävittämisestä

•Multiple Power Supplies Disconnection Warning on page 266•Power Disconnection Warning on page 267Grounded Equipment WarningWARNING: The network devic

PEM3 (left to right). Each AC power supply provides power to all components in therouter. When two or more power supplies are present, they share powe

Varoitus Laitetta asennettaessa on maahan yhdistäminen aina tehtäväensiksi ja maadoituksen irti kytkeminen viimeiseksi.Attention Lors de l'instal

Warnung DieseEinheit verfügt übermehr alseinen Stromanschluß; umStromgänzlichvonder Einheit fernzuhalten,müssen alle Stromzufuhren abgetrenntsein.Avve

Advarsel Før det utføres arbeid på kabinettet eller det arbeides i nærhetenav strømforsyningsenheter, skal strømledningen trekkes ut pvekselstrømsenhe

•Other countries—International Electromechanical Commission (IEC) 60364, Part 1through Part 7.•Locate the emergency power-off switch for the room in w

Varning! Enheten är konstruerad för användning tillsammans medelkraftssystem av TN-typ.RelatedDocumentationGeneral Electrical Safety Guidelines and Wa

MX480 DC Power Electrical Safety Guidelines and Warnings•MX480 DC Power Electrical Safety Guidelines on page 271•DC Power Electrical Safety Warnings f

• DC Power Circuit Breaker Requirements for the MX480 Router on page 302• DC Power Cable Specifications for the MX480 Router on page 304• DC Power Ele

Varoitus Varmista, että tasavirtapiirissä ei ole virtaa ennen seuraavientoimenpiteiden suorittamista. Varmistaaksesi, että virta on KATKAISTUtäysin, p

DC Power Wiring Terminations WarningWARNING: When stranded wiring is required, use approved wiringterminations, such as closed-loop or spade-type with

tamaño apropiado paraloscablesque se utilicen, y tendránque sujetartantoel aislante como el conductor.Varning! När flertrådiga ledningar krävs måste g

19 September 2007—530-020794-01. Revision 1. Initial release.The information in this document is current as of the date on the title page.YEAR 2000 NO

Copyright © 2013, Juniper Networks, Inc.6MX480 3D Universal Edge Router Hardware Guide

•EN-61000-4-3 Radiated Immunity•EN-61000-4-4 EFT•EN-61000-4-5 Surge•EN-61000-4-6 Low Frequency Common Immunity•EN-61000-4-11 Voltage Dips and Sags•ETS

Compliance Statements for EMC Requirements for the MX480 Router•Canada on page 277•European Community on page 277•Declaration of Conformity on page 27

Figure 126: MX480 Declaration of ConformityJapanTranslation from Japanese—This is a Class A product. In a domestic environment thisproduct may cause r

United StatesThe router has been tested and found to comply with the limits for a Class A digital device,pursuant to Part 15 of the FCC Rules. These l

Copyright © 2013, Juniper Networks, Inc.280MX480 3D Universal Edge Router Hardware Guide

APPENDIX BMX480 Router Physical Specifications•MX480 Router Physical Specifications on page 281MX480 Router Physical SpecificationsTable 27 on page 28

Table 27: Physical Specifications (continued)HeightDepthWidthWeightDescription1.25 in (3.2 cm)6.8 in (17.3 cm)6.25 in (15.9 cm)Maximum up to 1.2 lb(0.

APPENDIX CMX480 Router EnvironmentalSpecifications•MX480 Router Environmental Specifications on page 283MX480 Router Environmental SpecificationsTable

RelatedDocumentation• Tools and Parts Required to Maintain the MX480 Router on page 123• In Case of an Electrical Accident on page 268Copyright © 2013

APPENDIX DPower Guidelines, Requirements, andSpecifications for the MX480 Router•Calculating Power Requirements for MX480 Routers on page 285•Power Re

CHAPTER 2MX480 Hardware Components•MX480 Chassis Description on page 7•MX480 Midplane Description on page 9•MX480 Dense Port Concentrator (DPC) Overvi

Both normal-capacity and high-capacity MX480 chassis with DC power supplies arezoned, meaning that certain components are powered by specific power su

1. Calculate the power requirements (usage) using the values in “Power Requirementsfor an MX480 Router” on page 289 as shown in Table 30 on page 287.T

Table 31: Calculating Power Budget for a MX480 AC ChassisUnused Power1MaximumSystem Output PowerPower Supply1721 W3081 WMX480 AC Normal-capacity (low-

1These values are at full load and nominal voltage.2For this configuration, total power is 1440 W.3Zone 0 requirement.4. Calculate thermal output (BTU

NOTE: The power for the cooling system comes from a different tap on thepower supply, reservedforthe cooling system only. The cooling system powerrequ

Table 36: FRU Power Requirements (continued)Maximum Power RequirementPart NumberComponent274 WWith MICs and optics:348 W at 55 degrees C329 W at 40 de

Table 36: FRU Power Requirements (continued)Maximum Power RequirementPart NumberComponent18 WMIC3-3D-2X40GE-QSFPP40-Gigabit EthernetMIC with QSFP+40 W

Table 36: FRU Power Requirements (continued)Maximum Power RequirementPart NumberComponent29.08 W at 55 degrees C27.84 W at 40 degrees C26.55 W at 25 d

Table 36: FRU Power Requirements (continued)Maximum Power RequirementPart NumberComponent333 WDPCE-R-20GE-2XGEDPCE-X-20GE-2XGEMulti-Rate EthernetEnhan

(American). The grounding points are spaced at 0.625-in. (15.86-mm) centers (seeFigure 127 on page 295 or Figure 128 on page 295).NOTE: Additional gro

Figure 1: Front View of a Fully Configured Router ChassisFigure 2: Rear View of a Fully Configured AC-Powered Router ChassisCopyright © 2013, Juniper

MX480 Router Grounding Cable Lug SpecificationsThe accessory box shipped with the router includes one cable lug that attaches to thegrounding cable (s

MX480 AC Power Specifications and Requirements•AC Electrical Specifications for the MX480 Router on page 297•AC Power Circuit Breaker Requirements for

Table 39: AC Power System SpecificationsHigh-Capacity–HighLineHigh-Capacity–LowLineNormal-Capacity–HighLineNormalCapacity–Low LineItem2+23+12+23+1Redu

Table 40: AC Power Cord SpecificationsPlug TypeElectricalSpecificationModel NumberCountrySAA/3/15240 VAC, 50 Hz ACCBL-M-PWR-RA-AUAustraliaCH2-16P220 V

Figure 130: AC Plug TypesWARNING: The AC power cord for the router is intended for use with therouter only and not for any other use.WARNING:Translati

WARNING: The router is pluggable type A equipment installed in arestricted-access location. It has a separate protective earthing terminal(sized for U

Table 41: Power Supply Electrical Specifications (continued)SpecificationItem~98%EfficiencyNOTE: This value is at fullload and nominal voltage.40 AInt

customer site circuit breaker rated for 40 A (–48 VDC) minimum, or as required by localcode. If you plan to operate a maximally configured DC-powered

WARNING: For field-wiring connections, use copper conductors only.CAUTION: Power cords and cables must not block access to devicecomponents or drape w

RelatedDocumentationDC Power Source Cabling for the MX480 Router on page 303•• MX480 DC Power Supply Description on page 44Site Electrical Wiring Guid

Figure 3: Rear View of a Fully Configured DC-Powered Router ChassisRelatedDocumentationMX480 Router Description on page 3•• MX480 Midplane Description

Copyright © 2013, Juniper Networks, Inc.306MX480 3D Universal Edge Router Hardware Guide

APPENDIX ECable and Wire Guidelines andSpecifications for the MX480 Router•Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion on

significantly lower for optical fiber than for other media, it still occurs in both multimodeand single-mode transmission. An efficient optical data l

PB= –15 dBm – (–28 dBm)PB= 13 dBCalculating Power Margin for Fiber-Optic CableAfter calculating a link's power budget you can calculate the power

PM= PB– LLPM= 13 dB – 2 km (1.0 dB/km) – 5 (0.5 dB) – 2 (0.5 dB) – 0.5 dB [HOL] – 1 dB [CRM]PM= 13 dB – 2 dB – 2.5 dB – 1 dB – 0.5 dB – 1 dBPM= 6 dBTh

Table 45: Cable and Wire Specifications for Routing Engine Managementand Alarm Interfaces (continued)RouterReceptacleMaximumLengthCable/WireSuppliedCa

Copyright © 2013, Juniper Networks, Inc.312MX480 3D Universal Edge Router Hardware Guide

APPENDIX FMX480 Cable Connector Pinouts•RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port on page 313•RJ-45 Connector Pinouts for

RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE PortsThe ports on the Routing Engine labeled AUX and CONSOLE are asynchronous ser

APPENDIX GContacting Customer Support andReturning MX480 Hardware•Locating MX480 Component Serial Numbers on page 315•Contacting Customer Support on p

Figure 4: MidplaneRelatedDocumentationMX480 Router Description on page 3•• MX480 Chassis Description on page 7• MX480 Dense Port Concentrator (DPC) De

Midplane REV 01 710-017414 MX480FPM BoardPEM 0 Rev 1E 740-017330 000083 PS 2.0kW; 90-264V ACPE

Xcvr 4 REV 01 740-011782 PAR1Z4Q SFP-SX Xcvr 5 REV 01 740-011782 PAR1XDZ SFP-SX Xcvr 6 REV 01

Figure 134: MX480 Chassis Serial Number LabelRelatedDocumentationDisplaying MX480 Router Components and Serial Numbers on page 315•• MX480 SCB Serial

Figure 135: SCB Serial Number Labelg004068Serial numberID labelRelatedDocumentationReplacing an MX480 SCB on page 174•• Displaying MX480 Router Compon

Figure 136: DPC Serial Number LabelOK/FAILTUNNELLINK1/0TUNNELLINK0/0TUNNELLINK2/0TUNNELLINK3/0g004067AA567 8Serial numberID labelRelatedDocumentationR

Figure 137: FPC Serial Number Labelg004410Serial number ID labelAA1234RelatedDocumentationReplacing an MX480 FPC on page 194•• Displaying MX480 Router

Figure 138: PIC Serial Number LabelRelatedDocumentationReplacing an MX480 PIC on page 199•• Displaying MX480 Router Components and Serial Numbers on p

Figure 139: MPC Serial Number Labelg004927OK/FailMX-MPC1-3D-QSerial number IDlabel (yellow, onopposite side)RelatedDocumentationReplacing an MX480 MPC

on the placement of components on the MIC board (see Figure 140 on page 324, Figure141 on page 324, Figure 142 on page 324, and Figure 143 on page 324

RelatedDocumentationReplacing an MX480 MIC on page 208•• Displaying MX480 Router Components and Serial Numbers on page 315• Contacting Customer Suppor

DPCs are hot-removable and hot-insertable, as described in “MX480 Field-ReplaceableUnits (FRUs)” on page 161. When you install a DPC in an operating r

Figure 145: DC Power Supply Serial Number LabelRelatedDocumentationReplacing an MX480 AC Power Supply on page 228•• Replacing an MX480 DC Power Supply

RelatedDocumentationReplacing an MX480 Routing Engine on page 184•• Displaying MX480 Router Components and Serial Numbers on page 315• Contacting Cust

For more information about return and repair policies, see the customer support Webpage at http://www.juniper.net/support/guidelines.html.For product

Packing the MX480 Router for ShipmentTo pack the router for shipment:1. Retrieve the shipping crate and packing materials in which the router was orig

12. Securely tape the box closed or place the crate cover over the router.13. Write the RMA number on the exterior of the box to ensure proper trackin

PART 5Index•Index on page 333331Copyright © 2013, Juniper Networks, Inc.

Copyright © 2013, Juniper Networks, Inc.332MX480 3D Universal Edge Router Hardware Guide

IndexSymbols#, comments in configuration statements...xxii( ), in syntax descriptions...

cableauxiliary or console port (for Routing Enginemanagement)connecting during initial installation...98replacing...

componentsAS MLC...20AS MXC...

DPC ComponentsEach DPC consists of the following components:•DPC cover, which functions as a ground plane and a stiffener.•Fabric interfaces.•Two Giga

DPC cablesconnecting...100DPCscableinstallation instructions...

grounding cableslug...296grounding points...

Juniper Networks Technical Assistance Center(JTAC)...151Llaserbeam w

MX Switch Control Boards See MX SCBsNNEBS standards...275notice icons...

reinstallingDPCafter chassis installation...79, 94fan trayafter chassis installation...77, 92FPCa

SCBinstalling...175LEDs...

troubleshootingCLI commands...149cooling system...

MX480 Modular Port Concentrator (MPC) Overview•MX480 Modular Port Concentrator (MPC) Description on page 13•MX480 Modular Port Concentrator (MPC) LEDs

Figure 7: Typical MPC Supported on the MX Series Routerg004902MPC (empty)Figure 8: MPC Installed Horizontally in the MX480 RouterOKMASTERFANONLINEOFFL

•Physical MPC connectors.•Up to four Junos Trio chipsets, which perform control functions tailored to the MPC’smedia type.•Midplane connectors and pow

Copyright © 2013, Juniper Networks, Inc.iv

MICs receive incoming packets from the network and transmit outgoing packets to thenetwork. During this process, each MIC performs framing and high-sp

Figure 9: FPC Installed in the MX480 Router ChassisOKMASTERFANONLINEOFFLINE0110FAILFAILPEMFAILFAILFAILFAILFAILFAILESDOKOKOKOKOKOKOK2345ACO/LTYELLOWALA

Engines receive incoming packets from the PICs installed on the FPC and forwards themthrough the switch planes to the appropriate destination port. Th

FPCs Supported by the MX480 RouterAn FPC occupies two slots when installed in an MX Series router. The MX480 routersupports up to three FPCs. Table 3

MX480 PIC LEDsEach PIC has LEDs located on the faceplate. For more information about LEDs on thePIC faceplate, see the “LEDs” section for each PIC in

Figure 11: Application Services Modular Line Card (AS MLC)g006671MX480 AS MLC FunctionThe AS MLC provides modular processing and modular storage. Inst

•Switch fabric interfaces to the chassis•XM ASIC chip, which owns and manages the packet data memory built from externalDDR3 memory chips, the fabric

MX480 Application Services Modular Storage Card Overview•MX480 Application Services Modular Storage Card Description on page 23•MX480 AS MSC LEDs on p

RelatedDocumentationMX480 AS MSC LEDs on page 24•• Replacing an MX480 AS MSC on page 217MX480 AS MSC LEDsTwo LEDs (CPU and AP) indicate the status of

•LEDs—Two LEDs on the faceplate display the CPU and application status.Figure 13: Application Services Modular Processing Card (AS MXC)g006672RelatedD

Table of ContentsAbout the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiJunos Documentation and

MX480 Host Subsystem DescriptionThe host subsystem provides the routing and system management functions of therouter. You can install one or two host

•Monitors and controls system functions, including fan speed, board power status, PDMstatus and control, and the craft interface•Provides interconnect

•Switch fabric—Provides the switching functions for the DPCs, FPCs, and MPCs•Control field-programmable gate array (FPGA)—Provides the Peripheral Comp

• Replacing an MX480 SCB on page 174MX480 Enhanced Switch Control Board DescriptionThe Enhanced MX Switch Control Board (MX SCBE) serves the carrier E

MX SCBE SlotsYou can install one or two MX SCBEs. The MX SCBEs install horizontally into the frontof the chassis in the slots labeled 0 and 1. If any

Table 7: Enhanced MX SCB LEDsDescriptionStateColorLabelFabric is in active mode.On steadilyGreenFABRICACTIVEMX SCBE operates in fabric-only mode.On st

MX480 Routing Engine Overview•MX480 Routing Engine Description on page 32•RE-S-1800 Routing Engine Description for MX Series on page 34•RE-S-1800 Rout

Routing Engine Interface PortsThree ports, located on the right side of the routing engine, connect the Routing Engineto one or more external devices

RE-S-1800 Routing Engine Description for MX SeriesFigure 17 on page 34 shows the Routing Engine 1800.Figure 17: RE-S-1800 Front Viewg006040USBportRese

management network, and two asynchronous serial ports—one for connecting to aconsole and one for connecting to a modem or other auxiliary device.•EEPR

MX480 SCB, Power Supply, and Cooling System Requirements for ASMLC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table 8: Routing Engine LEDs (continued)DescriptionStateColorLabelRouting Engine is transitioning online.BlinkingGreenONLINERouting Engine is function

MX480 Craft Interface DescriptionThe craft interface allows you to view status and troubleshooting information at a glanceand to perform many system c

Table 10: Alarm LEDs and Alarm Cutoff/Lamp Test ButtonDescriptionStateColorShapeCritical alarm LED—Indicates a critical condition thatcan cause the ro

Power Supply LEDs on the MX480 Craft InterfaceEach power supply has two LEDs on the craft interface that indicate its status. The LEDs,labeled 0 throu

SCB LEDs on the MX480 Craft InterfaceEach SCB has two LEDs on the craft interface that indicates its status. The SCB LEDs,labeled 0 and 1, are located

Figure 20: Alarm Relay ContactsRelatedDocumentationMX480 Craft Interface Description on page 37•• Alarm LEDs and Alarm Cutoff/Lamp Test Button on the

• Connecting Power to an AC-Powered MX480 Router with Normal-Capacity PowerSupplies on page 105• Connecting Power to a DC-Powered MX480 Router with No

For more information about the AC power specifications, see the MX480 3D UniversalEdge Router Hardware Guide.WARNING: The router is pluggable type A e

MX480 AC Power Supply LEDsEach AC power supply faceplate contains three LEDs that indicate the status of thepower supply (see Table 17 on page 44). Th

Figure 23: DC Power SupplyFigure 24: High-Capacity DC Power Supplyg004725DC Power Supply ConfigurationsIn the DC power configuration, the MX480 router

MX480 DC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44DC Power Supply Configurations . . . . . . . . . . .

Table 18: Power Supply Redundancy and Power Distribution (continued)Power Supply Provides Power to the Following ComponentsDC Power Supply SlotFan tra

RelatedDocumentationPower Supply LEDs on the MX480 Craft Interface on page 39•• MX480 Power System Description on page 41• MX480 AC Power Supply Descr

ambient maximum temperature specification is exceeded and the system cannot beadequately cooled, the Routing Engine shuts down the system by disabling

MX480 Fan LEDEach fan has an LED that displays its status. The fan LEDs are located on the top left ofthe craft interface. For more information, see “

Figure 29: Cable Management Brackets Installed on the RouterRelatedDocumentation• Maintaining Cables That Connect to MX480 DPCs, MPCs, MICs, or PICs o

PART 2Setting Up the MX480 Router•Preparing the Site for MX480 Router Installation on page 53•MX480 Router Installation Overview on page 59•Unpacking

Copyright © 2013, Juniper Networks, Inc.52MX480 3D Universal Edge Router Hardware Guide

CHAPTER 3Preparing the Site for MX480 RouterInstallation•MX480 Site Preparation Checklist on page 53•MX480 Router Rack Requirements on page 54•MX480 R

Table 20: Site Preparation Checklist (continued)DatePerformed ByFor More InformationItem or Task“MX480 Chassis GroundingSpecifications” on page 294,MX

In general, a center-mount rack is preferable to a front-mount rack because the moreeven distribution of weight in the center-mount rack provides grea

Reinstalling the FPCs After Installing the MX480 Router with a Lift . . . . . . . 80Installing the MX480 Router Cable Management Bracket . . . . . . .

Connection to Building StructureAlways secure the rack to the structure of the building. If your geographical area is subjectto earthquakes, bolt the

Figure 31: Clearance Requirements for Airflow and Hardware Maintenancefor an MX480 Router ChassisRearFront17.4"(44.2 cm)24.5"(62.2 cm)g00425

MX480 Router Cabinet Airflow RequirementsBefore you install the router in a cabinet, you must ensure that ventilation through thecabinet is sufficient

CHAPTER 4MX480 Router Installation Overview•Installing an MX480 Router Overview on page 59Installing an MX480 Router OverviewTo install the router:1.

9. Power on the router.•Powering On an AC-Powered MX480 Router on page 107•Powering On a DC-Powered MX480 Router on page 11310. Perform the initial sy

CHAPTER 5Unpacking the MX480 Router•Tools and Parts Required to Unpack the MX480 Router on page 61•Unpacking the MX480 Router on page 61•Verifying the

To unpack the router (see Figure 33 on page 62):1. Move the shipping crate to a staging area as close to the installation site as possible,where you h

Verifying the MX480 Router Parts ReceivedA packing list is included in each shipment. Check the parts in the shipment against theitems on the packing

Table 22: Accessory Box Parts ListQuantityPart22Screws to mount chassis and small shelf8DC power terminal Lugs, 6-AWG1RJ-45-to-DB-9 cable to connect t

CHAPTER 6Installing the MX480 Router MountingHardware•Installing the MX480 Router Mounting Hardware for a Rack or Cabinet on page 65•Moving the Mounti

Chapter 11 Configuring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117Initially Configuring t

3. Install the mounting shelf on the back of the rack rails. Rest the bottom slot of eachflange on a mounting screw.4. Partially insert the remaining

Figure 35: Installing the Mounting Hardware for an Open-Frame RackRelatedDocumentationInstalling the MX480 Router Using a Mechanical Lift on page 74••

6. Insert the two screws at the top of the bracket and tighten each partially.Two screws are needed for mounting the bracket on the center of the chas

CHAPTER 7Installing the MX480 Router with aMechanical Lift•Tools Required to Install the MX480 Router with a Mechanical Lift on page 69•Removing Compo

to the router. The following procedures describe how to remove components from thechassis, first from the rear and then from the front:1.Removing the

Removing the Fan Tray Before Installing the MX480 Router with a LiftTo remove the fan tray (see Figure 37 on page 71 ):1. Attach an electrostatic disc

5. Place one hand underneath the SCB to support it, and slide it completely out of thechassis. Place it on the antistatic mat.CAUTION: Do not stack ha

When the DPC is out of the chassis, do not hold it by the ejector handles,bus bars, or edge connectors. They cannot support its weight.Do not stack DP

Figure 40: Removing an FPCOKMASTERFANONLINEOFFLINE0110FAILFAILPEMFAILFAILFAILFAILFAILFAILESDOKOKOKOKOKOKOK2345ACO/LTYELLOWALARMREDALARMNCNOCNCNOCMX480

5. Carefully slide the router onto the mounting shelf so that the bottom of the chassisand the mounting shelf overlap by approximately two inches.6. S