Juniper CBL-M40-PWR-US20 Datasheet

Juniper Networks, Inc.1194 North Mathilda AvenueSunnyvale, CA 94089USA408-745-2000www.juniper.netPart Number: 530-007249-01, Revision 4M40™ InternetRo

M40 Internet Router Hardware GuidexChapter 18Troubleshoot the Packet Forwarding Engine Components ... 201Troubleshoot FPCs...

Safety Guidelines and WarningsM40 Internet Router Hardware Guide78Class 1 LED Product WarningLaser Beam WarningClass 1 LED product.Waarschuwing Klasse

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings79Radiation From Open Port Apertures WarningMaintenance and Operational Safe

Safety Guidelines and WarningsM40 Internet Router Hardware Guide80Battery Handling WarningReplacing the battery incorrectly might result in an explosi

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings81Jewelry Removal WarningBefore working on equipment that is connected to po

Safety Guidelines and WarningsM40 Internet Router Hardware Guide82Lightning Activity WarningDo not work on the system or connect or disconnect cables

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings83Operating Temperature WarningTo prevent the router from overheating, do no

Agency ApprovalsM40 Internet Router Hardware Guide84Product Disposal WarningAgency ApprovalsThe router complies with the following standards: Safety

Regulatory Compliance and Safety InformationAgency Approvals85 EMC AS/NZS 3548 Class A (Australia/New Zealand) BSMI Class A (Taiwan) EN 55022 Clas

Compliance Statements for EMC RequirementsM40 Internet Router Hardware Guide86Compliance Statements for EMC RequirementsCanadaThis Class A digital app

Regulatory Compliance and Safety InformationCompliance Statements for EMC Requirements87

xiList of FiguresList of FiguresFigure 1: Front View of Chassis ...8Figure 2:

Compliance Statements for EMC RequirementsM40 Internet Router Hardware Guide88

Prepare to Install the Router89Chapter 7Prepare to Install the RouterThis chapter explains how to unpack the router and verify the parts received. Bef

General Safety Guidelines and WarningsM40 Internet Router Hardware Guide90General Safety Guidelines and WarningsThis manual uses the following three l

Prepare to Install the RouterPrevent Electrostatic Discharge Damage91 Avoid spilling liquid onto the router chassis or onto any router component. Suc

Unpack the RouterM40 Internet Router Hardware Guide92Figure 21: Place a Board Component into an Electrostatic BagUnpack the RouterThe router is shipp

Prepare to Install the RouterUnpack the Router93Figure 22: Contents of the Shipping Crate7. Verify the chassis components received against the packin

Rack-Mounting BracketsM40 Internet Router Hardware Guide94Rack-Mounting BracketsFront rack-mounting ears are built into the chassis sides, as shown in

Prepare to Install the RouterRack-Mounting Brackets95Figure 24: Optional C-Bracket Shelf, Center-Mounting Ears, and ScrewsSide handles can also be re

Rack-Mounting BracketsM40 Internet Router Hardware Guide96

Install the Router and Configure Software97Chapter 8Install the Router and Configure SoftwareBefore installing the router, prepare the site as describ

M40 Internet Router Hardware GuidexiiFigure 45: Reinstall the Routing Engine Housing ...118Figure 46: Rein

Install the Router Using a Mechanical LiftM40 Internet Router Hardware Guide98 Wire cutters PliersInstall the Router Using a Mechanical LiftUsing a

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift995. Align the bottom hole in both front- or center-mountin

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide100Remove Components from the ChassisTo make the router light enou

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift101Remove the Power SuppliesThe router has two power suppli

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide102Remove the Routing Engine HousingThe Routing Engine resides in

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift1033. Grasp the handle at the top of the assembly, and slid

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide104Remove the Cable Management SystemThe cable management system i

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift105Remove the FPCsThe router can have up to eight FPCs moun

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide106c. Grasp both sides of the card carrier and slide the FPC about

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift1075. Grasp both sides of the SCB and slide it about halfwa

xiiiFigure 101:Routing Engine 600 Serial Number ID Label ...219Figure 102:Serial Number Label on the System Control

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide108Figure 34: Remove the Air FilterRemove the Lower Impeller Asse

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift109Install the Chassis into the Rack After you have removed

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide1104. Prepare to lift the router:  A person stands on either side

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift1118. Verify that all the mounting screws on one side of th

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide11 23. Slide the assembly all the way into the chassis.4. Using a

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift11 3Reinstall the SCB The SCB is located at the center of t

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide11 4Reinstall the FPCsThe FPCs install into the card cage at the f

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift11 5Figure 40: Reinstall an FPCReinstall the Cable Managem

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide11 6Figure 42: Reinstall the Cable Management System CoverReinsta

Install the Router and Configure SoftwareInstall the Router without Using a Mechanical Lift11 7Reinstall the Upper Impeller AssemblyThe upper impeller

M40 Internet Router Hardware Guidexiv

Install the Router without Using a Mechanical LiftM40 Internet Router Hardware Guide11 8Figure 45: Reinstall the Routing Engine HousingReinstall the

Install the Router and Configure SoftwareConnect the Router to Management and Alarm Devices11 9Figure 46: Reinstall a Power SupplyConnect the Router

Connect the Router to Management and Alarm DevicesM40 Internet Router Hardware Guide120Connect to a Network for Out-of-Band ManagementConnect the Rout

Install the Router and Configure SoftwareConnect PIC Cables121Connect to an External Alarm-Reporting DeviceYou can connect the router to external alar

Provide Power to the RouterM40 Internet Router Hardware Guide1224. Carefully thread the cable through the hooks in the cable management system at the

Install the Router and Configure SoftwareProvide Power to the Router123Connect Power to an AC-Powered RouterYou connect power to an AC-powered router

Provide Power to the RouterM40 Internet Router Hardware Guide1243. Verify that the power switch is in the OFF (0) position (see Figure 51).Figure 51:

Install the Router and Configure SoftwareProvide Power to the Router125Figure 52: Attach Cables to the DC Power Supply8. Secure the power cable lugs

Provide Power to the RouterM40 Internet Router Hardware Guide1263. Turn on the power to the management device that is connected to the Routing Engine

Install the Router and Configure SoftwareConfigure the JUNOS Internet Software127Configure the JUNOS Internet SoftwareThe router is shipped with the J

List of TablesxvList of TablesList of TablesTable 1: Juniper Networks Technical Documentation ... xviiiTable 2: Field

Configure the JUNOS Internet SoftwareM40 Internet Router Hardware Guide1287. Configure the IP address and prefix length for the router’s Ethernet inte

Install the Router and Configure SoftwareConfigure the JUNOS Internet Software12911. Optionally, display the configuration to verify that it is correc

Configure the JUNOS Internet SoftwareM40 Internet Router Hardware Guide130

131Part 3Hardware Maintenance and Replacement Procedures Hardware Maintenance Overview on page 133 Maintain and Replace the Power Supplies on page 1

M40 Internet Router Hardware Guide132

Hardware Maintenance Overview133Chapter 9Hardware Maintenance OverviewThis chapter discusses the following procedures for maintaining the router: Rou

Replacing FRUsM40 Internet Router Hardware Guide134

Maintain and Replace the Power Supplies135Chapter 10Maintain and Replace the Power Supplies This chapter discusses the following topics related to mai

Replace an AC Power SupplyM40 Internet Router Hardware Guide136 Issue the following CLI command to check the status of the power supplies. As shown i

Maintain and Replace the Power SuppliesReplace an AC Power Supply137Remove an AC Power SupplyThe AC power supplies are located at the bottom rear of t

List of TablesM40 Internet Router Hardware Guidexvi

Replace an AC Power SupplyM40 Internet Router Hardware Guide138Figure 53: Remove an AC Power SupplyInstall an AC Power SupplyTo install an AC power s

Maintain and Replace the Power SuppliesReplace an AC Power Supply13910. Insert the appliance coupler end of the power cord into the appliance inlet on

Disconnect and Connect AC PowerM40 Internet Router Hardware Guide140Disconnect and Connect AC PowerThe power cord that plugs into the appliance inlet

Maintain and Replace the Power SuppliesReplace a DC Power Supply1414. Press the power switch on the faceplate of one power supply to the ON ( | ) posi

Replace a DC Power SupplyM40 Internet Router Hardware Guide142Remove a DC Power SupplyThe DC power supplies are located at the bottom rear of the chas

Maintain and Replace the Power SuppliesReplace a DC Power Supply1434. Using a Phillips screwdriver, loosen the screws securing the protective shield o

Replace a DC Power SupplyM40 Internet Router Hardware Guide1449. While holding the safety interlock lever up, turn the extractor/inserter counterclock

Maintain and Replace the Power SuppliesReplace a DC Power Supply1459. Using a Phillips screwdriver, tighten (but do not overtighten) the thumbscrew at

Replace a DC Power SupplyM40 Internet Router Hardware Guide14612. Slide the power cable lugs onto the terminal studs on the power supply faceplate (se

Maintain and Replace the Power SuppliesDisconnect and Connect DC Power14715. Reinstall the protective shield covering the terminal studs.16. Press the

About This ManualxviiAbout This ManualThis chapter provides a high-level overview of the M40 Internet Router Hardware Guide: Objectives on page xvii

Disconnect and Connect DC PowerM40 Internet Router Hardware Guide1483. Flip the power switch on both power supplies to the OFF (O) position. See Figur

Maintain and Replace the Power SuppliesDisconnect and Connect DC Power1498. If not immediately attaching replacement cables, replace the protective sh

Disconnect and Connect DC PowerM40 Internet Router Hardware Guide150Figure 64: Power Switch on a DC Power Supply in the OFF Position5. If the protect

Maintain and Replace the Power SuppliesDisconnect and Connect DC Power151Figure 66: Attach Cables to a DC Power Supply7. Secure the cable lugs to the

Disconnect and Connect DC PowerM40 Internet Router Hardware Guide15213. Press the power switch on other power supply to the ON ( | ) position and conf

Maintain and Replace Cooling System Components153Chapter 11Maintain and Replace Cooling System Componentshis chapter describes how to maintain and rep

Maintain and Replace the Air FilterM40 Internet Router Hardware Guide154Maintain and Replace the Air FilterCheck the air filter regularly for dust and

Maintain and Replace Cooling System ComponentsMaintain and Replace the Fan Tray155Install the Air FilterTo install the air filter, follow this procedu

Maintain and Replace the Fan TrayM40 Internet Router Hardware Guide156Remove the Fan TrayThe fan tray is located at the rear of the chassis, beneath t

Maintain and Replace Cooling System ComponentsMaintain the Impeller Assemblies157Figure 70: Install the Fan TrayMaintain the Impeller Assemblies The

Document OrganizationM40 Internet Router Hardware GuidexviiiDocument OrganizationThis manual is divided into several parts: Preface, “About This Manu

Replace the Lower Impeller AssemblyM40 Internet Router Hardware Guide158Replace the Lower Impeller AssemblyThe lower impeller assembly is located behi

Maintain and Replace Cooling System ComponentsReplace the Upper Impeller Assembly159Install the Lower Impeller AssemblyThe lower impeller assembly is

Replace the Upper Impeller AssemblyM40 Internet Router Hardware Guide1603. Grasp the handle at the top of the assembly, and slide it about halfway out

Maintain and Replace Packet Forwarding Engine Components161Chapter 12Maintain and Replace Packet Forwarding Engine ComponentsThis chapter discusses th

Maintain FPCs and PICsM40 Internet Router Hardware Guide162Maintain FPCs and PICs The router can have up to eight Flexible PIC Concentrators (FPCs) mo

Maintain and Replace Packet Forwarding Engine ComponentsReplace an FPC or Quad-wide PIC163For further description of the output from the commands, see

Replace an FPC or Quad-wide PICM40 Internet Router Hardware Guide164Figure 75: Remove an FPC5. Disconnect the cables from the PICs on the FPC. If a P

Maintain and Replace Packet Forwarding Engine ComponentsReplace an FPC or Quad-wide PIC16510. If you are removing or replacing PICs on the FPC, see “R

Replace an FPC or Quad-wide PICM40 Internet Router Hardware Guide1669. Insert the appropriate cables into the cable connector ports on each PIC on the

Maintain and Replace Packet Forwarding Engine ComponentsReplace a PIC167Replace a PICPICs are housed in the FPCs installed in the front of the router,

About This ManualxixList of Technical PublicationsRouting and Routing Protocols Provides an overview of routing concepts and describes how to configur

Replace a PICM40 Internet Router Hardware Guide168Figure 77: Remove a PICInstall a PICTo install a PIC, follow this procedure (see Figure 78):1. Atta

Maintain and Replace Packet Forwarding Engine ComponentsMaintain the SCB169Figure 78: Install a PICMaintain the SCBThe System Control Board (SCB) occ

Replace the SCBM40 Internet Router Hardware Guide170To replace the SCB, perform the following procedures: Remove the SCB on page 170 Install the SCB

Maintain and Replace Packet Forwarding Engine ComponentsReplace the SCB171Install the SCBTo install the SCB, follow this procedure (see Figure 80):1.

Replace the SCBM40 Internet Router Hardware Guide172

Maintain and Replace Routing Engine Components173Chapter 13Maintain and Replace Routing Engine ComponentsThis chapter discusses the following topics a

Maintain the Routing EngineM40 Internet Router Hardware Guide174Maintain the Routing EngineTo maintain the Routing Engine, perform the following proce

Maintain and Replace Routing Engine ComponentsReplace the Routing Engine Housing175Remove the Routing Engine HousingTo remove the Routing Engine housi

Replace the Routing EngineM40 Internet Router Hardware Guide1763. Align the rear of the unit with the slide guides in the chassis.4. Slide the unit co

Maintain and Replace Routing Engine ComponentsReplace the Routing Engine177Remove the Routing EngineThe Routing Engine is housed in the Routing Engine

iiThis product includes the Envoy SNMP Engine, developed by Epilogue Technology, an Integrated Systems Company. Copyright © 1986–1997, Epilogue Techno

Documentation ConventionsM40 Internet Router Hardware GuidexxDocumentation ConventionsThis manual uses the following text conventions:  Router and ro

Replace the Routing EngineM40 Internet Router Hardware Guide178Figure 83: Remove the Routing EngineInstall the Routing EngineTo install the Routing E

Maintain and Replace Routing Engine ComponentsReplace the Routing Engine1795. Press the extractor clip at each end of the Routing Engine inward to sea

Replace the LS-120 DriveM40 Internet Router Hardware Guide180Replace the LS-120 DriveTo replace the LS-120 drive, use the following procedure (see Fig

Maintain and Replace Cables and Connectors181Chapter 14Maintain and Replace Cables and ConnectorsThis chapter describes how to maintain and replace ca

Cable SpecificationsM40 Internet Router Hardware Guide182Cable SpecificationsSee the following sections for specifications for the indicated type of c

Maintain and Replace Cables and ConnectorsReplace PIC Cables183Replace PIC CablesRemoving and installing PIC cables does not affect router function, e

Replace PIC CablesM40 Internet Router Hardware Guide184Install a PIC Cable1. Have ready a length of the type of cable used by the PIC, as specified in

Maintain and Replace Cables and ConnectorsReplace Power Supply Cables185Figure 87: Connect Fiber-Optic Cable to a PICReplace Power Supply CablesFor i

Replace Cables and Wire Connecting to Routing Engine Interface PortsM40 Internet Router Hardware Guide186Replace Cables and Wire Connecting to Routing

Maintain and Replace Cables and ConnectorsReplace Cables and Wire Connecting to Routing Engine Interface Ports187Figure 89: Management Port Ethernet

About This ManualxxiDocumentation FeedbackDocumentation FeedbackWe are always interested in hearing from our customers. Please let us know what you li

Replace Cables and Wire Connecting to Routing Engine Interface PortsM40 Internet Router Hardware Guide188Replace Alarm Relay WireThe alarm relay conta

189Part 4Troubleshooting Troubleshooting Overview on page 191 Troubleshoot the Power Supplies on page 195 Troubleshoot the Cooling System on page 1

M40 Internet Router Hardware Guide190

Troubleshooting Overview191Chapter 15Troubleshooting OverviewThis chapter provides an overview of the resources you can use while troubleshooting prob

LEDsM40 Internet Router Hardware Guide192LEDsThe LEDs described in the following sections indicate the basic status of hardware components: LEDs on t

Troubleshooting OverviewHardware and Interface Alarm Messages193user@host> show chassis alarms There are two classes of alarm messages: Chassis al

Juniper Networks Technical Assistance CenterM40 Internet Router Hardware Guide194Table 23: SONET Interface Alarm MessagesJuniper Networks Technical A

Troubleshoot the Power Supplies195Chapter 16Troubleshoot the Power SuppliesWhen a power supply is functioning correctly, the green LED labeled OK is l

All LEDs on One Supply are Off or LED States are not CorrectM40 Internet Router Hardware Guide196Perform the following steps to diagnose and correct t

Troubleshoot the Cooling System197Chapter 17Troubleshoot the Cooling SystemThe router’s cooling system comprises two separate subsystems:  Upper and

Documentation FeedbackM40 Internet Router Hardware Guidexxii

Troubleshoot the Fan Tray and Impeller AssembliesM40 Internet Router Hardware Guide198Troubleshoot the Fan Tray and Impeller AssembliesTo troubleshoot

Troubleshoot the Cooling SystemTroubleshoot the Power Supply Fans199Troubleshoot the Power Supply FansTwo LEDs on each power supply faceplate report p

Troubleshoot the Power Supply FansM40 Internet Router Hardware Guide200

Troubleshoot the Packet Forwarding Engine Components201Chapter 18Troubleshoot the Packet Forwarding Engine ComponentsThis chapter discusses the follow

Troubleshoot PICsM40 Internet Router Hardware Guide202For more detailed output, add the detail option. The following example also specifies a slot num

Troubleshoot the Packet Forwarding Engine ComponentsTroubleshoot the SCB203 If the green RUN LED on the SCB is not blinking, the SCB processor is not

Troubleshoot the SCBM40 Internet Router Hardware Guide204

205Part 5Appendixes Cable Connectors and Pinouts on page 207 Fiber-Optic Connector Cleaning on page 213 Return the Router or Its Components on page

M40 Internet Router Hardware Guide206

Cable Connectors and Pinouts207Appendix ACable Connectors and PinoutsThis chapter contains tables that list the pinouts for the following cable connec

1Part 1Product Overview System Overview on page 3 Hardware Component Overview on page 7 JUNOS Internet Software Overview on page 25 System Archite

Cable Connectors and PinoutsM40 Internet Router Hardware Guide208DB-9 Connector Pinouts for the Routing Engine Console and Auxiliary PortsThe ports on

Cable Connectors and Pinouts209Cable Connectors and PinoutsTable 26: RJ-48 Connector to RJ-48 Connector (Straight) PinoutTable 27: RJ-48 Connector t

Cable Connectors and PinoutsM40 Internet Router Hardware Guide210Table 28: RJ-48 Connector to DB-15 Connector (Straight) PinoutTable 29: RJ-48 Conne

Cable Connectors and Pinouts211Cable Connectors and PinoutsFast Ethernet 12-port Cable PinoutsThe Fast Ethernet 12-port PIC has one VHDCI connector po

Cable Connectors and PinoutsM40 Internet Router Hardware Guide2129 2045194410 22 47 21 4611 24 49 23 48Ethernet Port Numbers RJ-21 Pin Assignment

Fiber-Optic Connector Cleaning213Appendix BFiber-Optic Connector CleaningFor proper performance of PICs that use SC fiber-optic cable, you must clean

Fiber-Optic Connector CleaningM40 Internet Router Hardware Guide214To clean the fiber-optic cable SC connection, use only an approved alcohol-free fib

Return the Router or Its Components215Appendix CReturn the Router or Its ComponentsThis chapter discusses the following topics related to returning pa

Return the Router or Its ComponentsM40 Internet Router Hardware Guide216Locate Component Serial NumbersYour request for an RMA must include the compon

Return the Router or Its Components217Return the Router or Its ComponentsFPC Serial Number ID LabelThe serial number ID label on an FPC is located nea

M40 Internet Router Hardware Guide2

Return the Router or Its ComponentsM40 Internet Router Hardware Guide218Power Supply Serial Number ID LabelThe serial number ID label on a power suppl

Return the Router or Its Components219Return the Router or Its ComponentsFigure 101: Routing Engine 600 Serial Number ID LabelSCB Serial Number ID La

Return the Router or Its ComponentsM40 Internet Router Hardware Guide220Pack the Router for ShipmentTo pack the router for shipment, follow this proce

Return the Router or Its Components221Return the Router or Its ComponentsPack Components for ShipmentTo pack and ship individual router components, fo

Return the Router or Its ComponentsM40 Internet Router Hardware Guide222

Glossary223Appendix DGlossaryAAAL ATM adaptation layer. A series of protocols enabling various types of traffic, including voice, data, image, and vid

GlossaryM40 Internet Router Hardware Guide224BITS Building Integrated Timing Source. Dedicated timing source that synchronizes all equipment in a part

Glossary225GlossaryCSU/DSU Channel service unit/data service unit. Channel service unit connects a digital phone line to a multiplexer or other digita

GlossaryM40 Internet Router Hardware Guide226DSU Data service unit. A device used to connect a DTE to a digital phone line. Converts digital data from

Glossary227GlossaryHHDLC High-level data link control. An International Telecommunication Union (ITU) standard for a bit-oriented data link layer prot

System Overview3Chapter 1System OverviewThis chapter provides an overview of the M40 Internet router, discussing the following topics: System Descrip

GlossaryM40 Internet Router Hardware Guide228Jjitter Small random variation introduced into the value of a timer to prevent multiple timer expirations

Glossary229GlossaryNneighbor Adjacent system reachable by traversing a single subnetwork. An immediately adjacent router. Also called a peer.NET Netwo

GlossaryM40 Internet Router Hardware Guide230PIM Protocol Independent Multicast. A protocol-independent multicast routing protocol. PIM Sparse Mode ro

Glossary231GlossaryRFI Radio frequency interference. Interference from high-frequency electromagnetic waves emanating from electronic devices.RIP Rout

GlossaryM40 Internet Router Hardware Guide232SSH Secure shell. Software that provides a secured method of logging in to a remote network system.SSRAM

Glossary233Glossaryvirtual path identifier See VPI.Virtual RouterRedundancy ProtocolSee VRRP.VPI virtual path identifier. 8-bit field in the header of

GlossaryM40 Internet Router Hardware Guide234

235Part 6Index Index on page 237

M40 Internet Router Hardware Guide236

Index237IndexIndexAAC power cordconnection instructionsduring initial installation...123for maintenance...

Field-Replaceable Units (FRUs)M40 Internet Router Hardware Guide4Field-Replaceable Units (FRUs)Field-replaceable units (FRUs) are router components th

IndexM40 Internet Router Hardware Guide238Ccableauxiliary or console port on craft interfaceconnecting during initial installation ...120repla

Index239IndexLEDsalarm (red and yellow) ...18FPC ...18routi

IndexM40 Internet Router Hardware Guide240serial number...217status, checking ...

Index241Indexgeneral guidelines ...79impeller assemblies ...157PIC...

IndexM40 Internet Router Hardware Guide242PPacket Forwarding Enginearchitectural components...32ASICs, diagram of ..

Index243IndexFPCduring initial installation...105for maintenance or replacement...163lower impeller assemblyd

IndexM40 Internet Router Hardware Guide244shipping craterepacking the router... 220unpacking the router...

Index245IndexWwarningselectrical...60general...

IndexM40 Internet Router Hardware Guide246

System OverviewSafety Requirements, Warnings, and Guidelines5Safety Requirements, Warnings, and GuidelinesTo avoid harm to yourself or the router as y

System SpecificationsM40 Internet Router Hardware Guide6

Hardware Component Overview7Chapter 2Hardware Component OverviewThis chapter provides an overview of the hardware components on the M40 Internet route

Ta ble o f C o n t e n t siiiTable of ContentsAbout This ManualObjectives...

ChassisM40 Internet Router Hardware Guide8ChassisThe router chassis is a rigid sheet metal structure that houses all the other router hardware compone

Hardware Component OverviewPacket Forwarding Engine9Figure 2: Rear View of ChassisPacket Forwarding EngineThe Packet Forwarding Engine is a multicomp

Packet Forwarding EngineM40 Internet Router Hardware Guide10BackplaneThe backplane is a panel that forms the back of the FPC card cage (see Figure 3).

Hardware Component OverviewPacket Forwarding Engine11A regular PIC is hot-removable and hot-insertable in the sense that its absence does not disrupt

Packet Forwarding EngineM40 Internet Router Hardware Guide12The PICs that install on both types of FPC are also hot-removable and hot-insertable. For

Hardware Component OverviewPacket Forwarding Engine13System Control Board (SCB)The System Control Board (SCB) performs route lookup, filtering, and sw

Packet Forwarding EngineM40 Internet Router Hardware Guide14 19.44-MHz stratum 3 reference clock—Generates clock signal for SONET/SDH PICs. I2C cont

Hardware Component OverviewRouting Engine15Table 4: States for SCB LEDsRouting EngineThe Routing Engine is an Intel-based PCI platform that runs JUNO

Routing EngineM40 Internet Router Hardware Guide16 LED—Indicates disk activity for the internal IDE interface. It does not necessarily indicate routi

Hardware Component OverviewCraft Interface17Craft InterfaceThe craft interface provides status and troubleshooting information at a glance and has but

M40 Internet Router Hardware GuideivCraft Interface ...

Craft InterfaceM40 Internet Router Hardware Guide18FPC LEDs and Offline ButtonEach of the eight FPC slots in the router has two LEDs and an offline bu

Hardware Component OverviewCraft Interface19Table 6 describes the alarm LEDs and alarm cutoff button in more detail.Table 6: Alarm LEDs and Alarm Cut

Power SuppliesM40 Internet Router Hardware Guide20The interface ports with the indicated label function as follows:MANAGEMENT ETHERNET—Connects the R

Hardware Component OverviewPower Supplies21For information about the cables required for each type of power supply, see “Power System Requirements and

Power SuppliesM40 Internet Router Hardware Guide22DC Power SupplyA DC-powered router has two load-sharing DC power supplies, located at the bottom rea

Hardware Component OverviewCooling System23Cooling SystemThe cooling system consists of separate subsystems (sets of fans and impellers) that draw roo

Cable Management SystemM40 Internet Router Hardware Guide24Airflow through the ChassisFigure 10 shows airflow through the chassis and the location of

JUNOS Internet Software Overview25Chapter 3JUNOS Internet Software OverviewThe JUNOS Internet software is especially designed for the large production

Routing Engine Software ComponentsM40 Internet Router Hardware Guide26Routing Engine Software ComponentsThe Routing Engine software consists of severa

JUNOS Internet Software OverviewRouting Engine Software Components27 IS-IS—Intermediate System-to-Intermediate System is an interior gateway protocol

••••••••••••••••••••••••••••••••••••••••••••••••••••••••••Ta ble o f C o n t e n t svPart 2Initial InstallationChapter 5Prepare the Site ...

Routing Engine Software ComponentsM40 Internet Router Hardware Guide28Routing and Forwarding TablesThe primary function of the JUNOS routing protocol

JUNOS Internet Software OverviewRouting Engine Software Components29Routing policy enables you to control (filter) which routes are imported into the

Tools for Accessing and Configuring the SoftwareM40 Internet Router Hardware Guide30Tools for Accessing and Configuring the SoftwareThe JUNOS CLI is t

System Architecture Overview31Chapter 4System Architecture OverviewThe router architecture consists of two major components: Packet Forwarding Engine

Packet Forwarding Engine ArchitectureM40 Internet Router Hardware Guide32Packet Forwarding Engine ArchitectureThe Packet Forwarding Engine performs La

System Architecture OverviewRouting Engine Architecture33Data Flow through the Packet Forwarding EngineUse of ASICs promotes efficient movement of dat

Routing Engine ArchitectureM40 Internet Router Hardware Guide34Figure 13: Routing Engine ArchitectureRouting Engine FunctionsThe Routing Engine handl

System Architecture OverviewRouting Engine Architecture35 Storage and change management—Configuration files, system images, and microcode can be held

Routing Engine ArchitectureM40 Internet Router Hardware Guide36

37Part 2Initial Installation Prepare the Site on page 39 Regulatory Compliance and Safety Information on page 55 Prepare to Install the Router on p

M40 Internet Router Hardware GuideviGrounded Equipment Warning...68In Case of Electrical A

M40 Internet Router Hardware Guide38

Prepare the Site39Chapter 5Prepare the SiteThis chapter describes how to prepare your site so that you can install a router, discussing the following

Rack RequirementsM40 Internet Router Hardware Guide40Figure 15: Typical Center-Mount RackRack Size and StrengthThe router is designed for installatio

Prepare the SiteRack Requirements41The rack rails must be spaced widely enough to accommodate the router chassis’s external dimensions: 35 in. (89 cm)

Clearance Requirements for Airflow and Hardware MaintenanceM40 Internet Router Hardware Guide42Clearance Requirements for Airflow and Hardware Mainten

Prepare the SiteSite Environmental Requirements43Site Environmental RequirementsTable 17 specifies the environmental conditions required for normal ro

Power System Requirements and SpecificationsM40 Internet Router Hardware Guide44Fire Suppression EquipmentType C fire extinguishers, which use noncorr

Prepare the SitePower System Requirements and Specifications45Power Supply Load Sharing, Redundancy, and ReplacementWhen two power supplies are instal

Power System Requirements and SpecificationsM40 Internet Router Hardware Guide46Table 12 lists specifications for AC power cords and Figure 18 shows t

Prepare the SitePower System Requirements and Specifications47Table 13 summarizes the specifications for the cables that you must supply for connectin

••••••••••••••••••••••••••••••••••••••••••••••••••••••••••Ta ble o f C o n t e n t sviiRemove the FPCs ...

Power System Requirements and SpecificationsM40 Internet Router Hardware Guide48For complete instructions, see “Connect Power to a DC-Powered Router”

Prepare the SiteSite Electrical Wiring and Cable Guidelines49Site Electrical Wiring and Cable GuidelinesWhen planning the electrical wiring and cablin

Fiber-Optic and Network Cable GuidelinesM40 Internet Router Hardware Guide50Multimode and Single-Mode FiberMultimode fiber is large enough in diameter

Prepare the SiteFiber-Optic and Network Cable Guidelines51When chromatic dispersion is at the maximum allowed, its effect can be considered as a power

Fiber-Optic and Network Cable GuidelinesM40 Internet Router Hardware Guide52Table 16 lists the estimated amount of loss for factors that cause link lo

Prepare the SiteRouting Engine Interface Cable and Wire Specifications53Attenuate to Prevent Saturation at SONET/SDH PICsSONET/SDH interfaces in the d

Site Preparation ChecklistM40 Internet Router Hardware Guide54Site Preparation ChecklistThe checklist in Table 18 summarizes the tasks you need to per

Regulatory Compliance and Safety Information55Chapter 6Regulatory Compliance and Safety InformationTo install and use the router safely, follow proper

Definition of Safety Warning LevelsM40 Internet Router Hardware Guide56This symbol means danger. You are in a situation that could cause bodily injury

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings57Safety Guidelines and WarningsThis section provides the safety guidelines

M40 Internet Router Hardware GuideviiiDisconnect and Connect DC Power ...147Disconnec

Safety Guidelines and WarningsM40 Internet Router Hardware Guide58 Avoid spilling liquid onto the router chassis or onto any router component. Such a

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings59Restricted Access Area Warning The router is intended for installation in

Safety Guidelines and WarningsM40 Internet Router Hardware Guide60Electrical Safety Guidelines and WarningsWhen working on equipment powered by electr

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings61 Carefully look for possible hazards in your work area, such as moist flo

Safety Guidelines and WarningsM40 Internet Router Hardware Guide62 You must connect only to a DC power source for which the output complies with the

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings63Copper Conductors Warning Use copper conductors only.Waarschuwing Gebruik

Safety Guidelines and WarningsM40 Internet Router Hardware Guide64DC Power Disconnection WarningBefore performing any of the following procedures, ens

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings65DC Power Grounding Requirements and WarningAn insulated grounding conducto

Safety Guidelines and WarningsM40 Internet Router Hardware Guide66DC Power Wiring Sequence WarningWire the DC power supply using the appropriate lugs.

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings67DC Power Wiring Terminations WarningWhen stranded wiring is required, use

••••••••••••••••••••••••••••••••••••••••••••••••••••••••••Ta ble o f C o n t e n t sixReplace the Routing Engine ...

Safety Guidelines and WarningsM40 Internet Router Hardware Guide68Grounded Equipment WarningIn Case of Electrical AccidentIf an electrical accident re

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings69Multiple Power Supplies Disconnection WarningThe router has more than one

Safety Guidelines and WarningsM40 Internet Router Hardware Guide70Power Disconnection WarningBefore working on the router or near power supplies, unpl

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings71TN and IT Power WarningInstallation Safety Guidelines and WarningsObserve

Safety Guidelines and WarningsM40 Internet Router Hardware Guide72Chassis Lifting GuidelinesA fully configured router weighs about 280 lb (127 kg). Ob

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings73Rack-Mounting Requirements and WarningsEnsure that the equipment rack into

Safety Guidelines and WarningsM40 Internet Router Hardware Guide74Attention Pour éviter toute blessure corporelle pendant les opérations de montage ou

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings75Advarsel Unngå fysiske skader under montering eller reparasjonsarbeid på d

Safety Guidelines and WarningsM40 Internet Router Hardware Guide76Ramp WarningLaser and LED Safety Guidelines and WarningsSingle-mode Physical Interfa

Regulatory Compliance and Safety InformationSafety Guidelines and Warnings77 Laser Beam Warning on page 78 Radiation From Open Port Apertures Warnin