Juniper MX240 Installation instructions

MX240 3D Universal Edge Router Hardware Guide
Modified: 2016-03-31
Copyright © 2016, Juniper Networks, Inc.

Juniper Networks, Inc.
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Sunnyvale, California 94089
USA
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www.juniper.net
Copyright © 2016, Juniper Networks, Inc. All rights reserved.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
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Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify,
transfer, or otherwise revise this publication without notice.
MX240 3D Universal Edge Router Hardware Guide
Copyright © 2016, Juniper Networks, Inc.
All rights reserved.
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related limitations through the
year 2038. However, the NTP application is known to have some difficulty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks
software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at
http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions of
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Copyright © 2016, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation...........................................xxv
DocumentationandReleaseNotes................................xxv
SupportedPlatforms............................................xxv
Documentation Conventions .....................................xxv
DocumentationFeedback.......................................xxvii
RequestingTechnicalSupport...................................xxviii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . xxviii
OpeningaCasewithJTAC...................................xxviii
Part 1 Overview
Chapter1 SystemOverview...................................................3
MX240RouterOverview..............................................3
Chapter2 MX240RouterReleaseNotes........................................5
Outstanding Issues with the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Errata with the MX240 Router Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 3 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
MX240ComponentRedundancy.......................................7
MX240ChassisDescription............................................8
MX240 Router Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . 10
MX240CraftInterfaceOverview.......................................12
MX240 Alarm Relay Contacts on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . 13
MX240 Alarm LEDs and Alarm Cutoff/Lamp Test Button . . . . . . . . . . . . . . . . . . . 13
MX240 Component LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Host Subsystem LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . 14
Power Supply LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . 15
DPC and MPC LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . 15
FPC LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SCB LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fan LED on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Chapter 4 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 17
MX240CoolingSystemDescription.....................................17
MX240FanLED....................................................18
Chapter 5 Host Subsystem Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . 21
MX240HostSubsystemDescription....................................21
MX240HostSubsystemLEDs.........................................22
MX240MidplaneDescription.........................................22
iiiCopyright © 2016, Juniper Networks, Inc.

MX240RoutingEngineDescription.....................................23
RE-S-X6-64G Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . 24
RoutingEngineInterfacePorts.....................................25
RE-S-X6-64G Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . 25
RoutingEngineBootSequence....................................26
RE-S-1800 Routing Engine Description for MX Series . . . . . . . . . . . . . . . . . . . . . . 26
RE-S-1800 Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
RE-S-1800 Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . 28
RE-S-X6-64G Routing Engine Description for MX Series . . . . . . . . . . . . . . . . . . . 28
RE-S-X6-64G Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . 28
RE-S-X6-64G Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . . 29
MX240RoutingEngineLEDs..........................................30
RE-S-1800RoutingEngineLEDs......................................30
RE-S-X6-64GRoutingEngineLEDs.....................................31
RoutingEngineSpecifications.........................................32
SupportedRoutingEnginesbyRouter..................................34
M7iRoutingEngines.............................................35
M10iRoutingEngines............................................35
M40eRoutingEngines...........................................36
M120RoutingEngines............................................36
M320RoutingEngines...........................................37
MX5, MX10, MX40, and MX80 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . 37
MX104RoutingEngines..........................................38
MX240RoutingEngines..........................................38
MX480RoutingEngines..........................................39
MX960RoutingEngines.........................................40
MX2010RoutingEngines..........................................41
MX2020RoutingEngines.........................................41
PTX3000RoutingEngines........................................41
PTX5000RoutingEngines........................................41
T320RoutingEngines............................................42
T640RoutingEngines...........................................42
T1600RoutingEngines...........................................43
T4000RoutingEngines..........................................44
TXMatrixRoutingEngines........................................44
TXMatrixPlusRoutingEngines....................................45
TX Matrix Plus (with 3D SIBs) Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . 45
Copyright © 2016, Juniper Networks, Inc.iv
MX240 3D Universal Edge Router Hardware Guide

Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Interface Modules—DPCs ............................................47
MX240 Dense Port Concentrator (DPC) Description . . . . . . . . . . . . . . . . . . . 47
DPCComponents...........................................48
MX240 DPC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . 49
MX240 Dense Port Concentrator (DPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . 52
DPCs Supported on MX240, MX480, and MX960 Routers . . . . . . . . . . . . . . 52
InterfaceModules—FPCsandPICs.....................................54
MX240 Flexible PIC Concentrator (FPC) Description . . . . . . . . . . . . . . . . . . . 54
FPC Components ...........................................56
MX240 Flexible PIC Concentrator (FPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . 56
FPCs Supported by MX240, MX480, and MX960 Routers . . . . . . . . . . . . . . . 57
MX240PICDescription...........................................57
MX240 PIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
MX240PICLEDs................................................59
PICs Supported by MX240, MX480, and MX960 Routers . . . . . . . . . . . . . . . 59
InterfaceModules—MPCsandMICs....................................60
MIC/MPCCompatibility...........................................61
MX240 Modular Interface Card (MIC) Description . . . . . . . . . . . . . . . . . . . . . 67
MICs Supported by MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
MX240 Modular Interface Card (MIC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
MX240 MIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
MX240 Modular Port Concentrator (MPC) Description . . . . . . . . . . . . . . . . . 74
MPCComponents...........................................76
MX240 Modular Port Concentrator (MPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . 76
MPCs Supported by MX240, MX480, MX960, MX2010, and MX2020
Routers ....................................................77
MX240 Application Services Modular Line Card Description . . . . . . . . . . . . . 79
MX240ASMLCFunction......................................79
ASMLCComponents........................................80
MX240 SCB, Power Supply, and Cooling System Requirements for AS
MLC...................................................80
MX240 Application Services Modular Storage Card Description . . . . . . . . . . 81
MX240 Application Services Modular Processing Card Description . . . . . . . . 82
MX240ASMSCLEDs............................................83
MX240ASMXCLEDs............................................83
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 85
MX240PowerSystemOverview.......................................85
MX240ACPowerSupplyDescription...................................86
ACPowerSupplyConfigurations...................................87
MX240ACPowerSupplyLEDs........................................87
MX240DCPowerSupplyDescription..................................88
DCPowerSupplyConfigurations...................................89
MX240DCPowerSupplyLEDs........................................90
vCopyright © 2016, Juniper Networks, Inc.
Table of Contents

Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 91
MX240SCBDescription..............................................91
SCB Slots .....................................................92
SCB Redundancy ...............................................92
SCBComponents...............................................92
MX240SCBLEDs...................................................93
MX240SCBEDescription............................................93
MXSCBESlots.................................................94
MXSCBERedundancy...........................................94
MXSCBEComponents...........................................95
MX240SCBELEDs.................................................95
MX240SCBE2Description...........................................96
SCBE2 Slots ...................................................97
SCBE2 Redundancy .............................................97
SCBE2Components.............................................98
MX240SCBE2LEDs................................................98
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview.............................................103
MX240 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
MX240 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
MX240SitePreparationChecklist.....................................105
MX240RouterRackRequirements....................................106
MX240 Router Clearance Requirements for Airflow and Hardware
Maintenance ..................................................108
MX240 Router Cabinet Size and Clearance Requirements . . . . . . . . . . . . . . . . . 109
MX240 Router Cabinet Airflow Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Installing an MX240 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Chapter 10 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Network Cable and Transceiver Overview for ACX Series, M Series, and MX Series
Routers .......................................................113
Supported Network Interface Standards by Transceiver for ACX Series, M Series,
MXSeries,andTSeriesRouters...................................114
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion . . . . 122
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 122
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 123
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . 123
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 124
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 124
Routing Engine Interface Cable and Wire Specifications for MX Series
Routers.......................................................125
Chapter11 Pinout Specifications .............................................127
RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port . . . . 127
RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE
Ports.........................................................128
Copyright © 2016, Juniper Networks, Inc.vi
MX240 3D Universal Edge Router Hardware Guide

Chapter 12 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 129
AC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . . . . . 129
Power Requirements for an MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Calculating Power Requirements for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . 137
AC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . . . . . 140
AC Power Cord Specifications for the MX240 Router . . . . . . . . . . . . . . . . . . . . . . 140
Chapter 13 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 143
DC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . . . . . 143
Power Requirements for an MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Calculating Power Requirements for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . 151
DC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . . . . . 154
MX240 Chassis Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
MX240 Chassis Grounding Points Specifications . . . . . . . . . . . . . . . . . . . . . 155
MX240 Router Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . . 156
MX240 Router Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . 156
DC Power Source Cabling for the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . 157
DC Power Cable Specifications for the MX240 Router . . . . . . . . . . . . . . . . . . . . . 158
Part 3 Initial Installation and Configuration
Chapter14 UnpackingtheMX240Router......................................161
Tools and Parts Required to Unpack the MX240 Router . . . . . . . . . . . . . . . . . . . . 161
UnpackingtheMX240Router.........................................161
Verifying the MX240 Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Chapter 15 Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Installing the MX240 Router Mounting Hardware for a Rack or Cabinet . . . . . . . 165
Moving the Mounting Brackets for Center-Mounting the MX240 Router . . . . . . . 167
Chapter16 InstallingtheMX240Router.......................................169
Installing an MX240 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Tools Required to Install the MX240 Router with a Mechanical Lift . . . . . . . . . . . 170
Removing Components from the MX240 Router Before Installing it with a
Lift ..........................................................170
Removing the Power Supplies Before Installing the MX240 Router with a
Lift .......................................................171
Removing the Fan Tray Before Installing the MX240 Router with a Lift . . . . . 171
Removing the SCBs Before Installing the MX240 Router with a Lift . . . . . . . 172
Removing the DPCs Before Installing the MX240 Router with a Lift . . . . . . . 173
Removing the FPC Before Installing the MX240 Router with a Lift . . . . . . . . 174
Installing the MX240 Router By Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . 175
Reinstalling Components in the MX240 Router After Installing it with a Lift . . . . 177
Reinstalling the Power Supplies After Installing the MX240 Router with a
Lift .......................................................177
Reinstalling the Fan Tray After Installing the MX240 Router with a Lift . . . . 178
Reinstalling the SCBs After Installing the MX240 Router with a Lift . . . . . . . 178
Reinstalling the DPCs After Installing the MX240 Router with a Lift . . . . . . . 179
Reinstalling the FPCs After Installing the MX240 Router with a Lift . . . . . . . 180
Tools Required to Install the MX240 Router without a Mechanical Lift . . . . . . . . 181
viiCopyright © 2016, Juniper Networks, Inc.
Table of Contents

Removing Components from the MX240 Router Before Installing it without a
Lift...........................................................181
Removing the Power Supplies Before Installing the MX240 Router without
aLift......................................................181
Removing the Fan Tray Before Installing the MX240 Router without a
Lift.......................................................182
Removing the SCBs Before Installing the MX240 Router without a Lift . . . . 183
Removing the DPCs Before Installing the MX240 Router without a Lift . . . . 184
Removing the FPC Before Installing the MX240 Router without a Lift . . . . . 185
Installing the MX240 Chassis in the Rack Manually . . . . . . . . . . . . . . . . . . . . . . . 186
Reinstalling Components in the MX240 Router After Installing it without a
Lift ..........................................................188
Reinstalling the Power Supplies After Installing the MX240 Router without
aLift.....................................................188
Reinstalling the Fan Tray After Installing the MX240 Router without a
Lift.......................................................189
Reinstalling the SCBs After Installing the MX240 Router without a Lift . . . . 190
Reinstalling the DPCs After Installing the MX240 Router without a Lift . . . 190
Reinstalling the FPCs After Installing the MX240 Router without a Lift . . . . 191
Chapter 17 Connecting the MX240 Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Tools and Parts Required for MX240 Router Grounding and Power
Connections...................................................193
GroundingtheMX240Router........................................194
Connecting Power to an AC-Powered MX240 Router with Normal-Capacity
PowerSupplies................................................195
Powering On an AC-Powered MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power
Supplies ......................................................197
Powering On a DC-Powered MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
PoweringOfftheMX240Router......................................201
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Chapter 18 Connecting the MX240 Router to the Network . . . . . . . . . . . . . . . . . . . . . . . 205
Tools and Parts Required for MX240 Router Connections . . . . . . . . . . . . . . . . . . 205
Connecting the MX240 Router to Management and Alarm Devices . . . . . . . . . . 205
Connecting the MX240 Router to a Network for Out-of-Band
Management..............................................206
Connecting the MX240 Router to a Management Console or Auxiliary
Device ...................................................206
Connecting the MX240 Router to an External Alarm-Reporting Device . . . . 207
Connecting the MX240 Router to a Network for Out-of-Band Management . . . 208
Connecting the MX240 Router to a Management Console or Auxiliary Device . . 209
Connecting the MX240 Router to an External Alarm-Reporting Device . . . . . . . 210
Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router . . . . . . . . . . . . . 211
Chapter 19 Initially Configuring the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Initially Configuring the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Copyright © 2016, Juniper Networks, Inc.viii
MX240 3D Universal Edge Router Hardware Guide

Part 4 Installing and Replacing Components
Chapter 20 Overview of Installing and Replacing Components . . . . . . . . . . . . . . . . . . . 219
MX240 Field-Replaceable Units (FRUs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Tools and Parts Required to Replace MX240 Hardware Components . . . . . . . . 220
Chapter21 Installing Components ...........................................223
Installing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
InstallingtheMX240AirFilter........................................224
Installing the MX240 Normal-Capacity Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . 225
InstallinganMX240RoutingEngine...................................226
InstallinganMX240DPC............................................227
InstallinganMX240FPC............................................230
InstallinganMX240MIC............................................233
InstallinganMX240MPC...........................................235
InstallinganMX240Dual-WideMIC...................................237
InstallinganMX240PIC............................................239
InstallinganMX240ASMLC.........................................241
InstallinganMX240ASMSC.........................................242
InstallinganMX240ASMXC.........................................243
Installing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . . . . . 245
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or PIC . . . 246
Installing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . . . . 247
Installing an MX240 DC Normal Capacity Power Supply . . . . . . . . . . . . . . . . . . 248
InstallinganMX240SCB............................................251
Chapter 22 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Replacing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Disconnecting the Alarm Relay Wires from the MX240 Craft Interface . . . . 255
Removing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Installing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Connecting the Alarm Relay Wires to the MX240 Craft Interface . . . . . . . . . 257
Chapter 23 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
ReplacingtheMX240AirFilter.......................................259
RemovingtheMX240AirFilter....................................259
InstallingtheMX240AirFilter....................................260
ReplacingtheMX240FanTray.......................................261
RemovingtheMX240FanTray....................................261
Installing the MX240 Normal-Capacity Fan Tray . . . . . . . . . . . . . . . . . . . . . 262
Chapter 24 Replacing Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
ReplacinganMX240RoutingEngine..................................265
Removing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Installing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Replacing an SSD Drive on an RE-S-1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Replacing Connections to MX240 Routing Engine Interface Ports . . . . . . . . . . . 269
Replacing the Management Ethernet Cable on an MX240 Router . . . . . . . 269
Replacing the Console or Auxiliary Cable on an MX240 Router . . . . . . . . . . 270
ixCopyright © 2016, Juniper Networks, Inc.
Table of Contents

Upgrading to the RE-S-X6-64G Routing Engine in a Redundant Host
Subsystem ....................................................271
RemovingtheRoutingEngine.....................................271
Installing the Routing Engine RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . . . . . 273
Verifying and Configuring the Upgraded Routing Engine as the Master . . . . 275
Verifying and Configuring the Upgraded Routing Engine as the Backup . . . 276
Upgrading to the RE-S-X6-64G Routing Engine in a Nonredundant Host
Subsystem....................................................276
RemovingtheRoutingEngine.....................................276
Installing the Routing Engine RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . . . . . 277
Chapter 25 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
ReplacinganMX240DPC...........................................279
RemovinganMX240DPC.......................................279
InstallinganMX240DPC........................................281
ReplacinganMX240FPC...........................................284
RemovinganMX240FPC.......................................284
InstallinganMX240FPC........................................286
ReplacinganMX240MIC...........................................288
RemovinganMX240MIC........................................289
InstallinganMX240MIC........................................290
ReplacinganMX240MPC...........................................292
RemovinganMX240MPC.......................................293
InstallinganMX240MPC........................................295
ReplacinganMX240PIC............................................297
RemovinganMX240PIC........................................297
InstallinganMX240PIC.........................................298
Replacing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . . . . 300
Removing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . 300
Installing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . 302
Replacing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or PIC . . 303
Removing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or
PIC ......................................................303
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or
PIC ......................................................305
ReplacinganMX240ASMLC........................................305
RemovinganMX240ASMLC....................................306
InstallinganMX240ASMLC.....................................307
ReplacinganMX240ASMSC........................................309
RemovinganMX240ASMSC....................................309
InstallinganMX240ASMSC.....................................310
ReplacinganMX240ASMXC.........................................311
RemovinganMX240ASMXC.....................................312
InstallinganMX240ASMXC......................................313
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MX240 3D Universal Edge Router Hardware Guide

Chapter 26 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Replacing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . . . . 315
Removing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . 315
Installing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . 316
Replacing an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Disconnecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . 317
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . 318
Replacing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . . . . . . . . 318
Removing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . . . . 318
Installing an MX240 DC Normal Capacity Power Supply . . . . . . . . . . . . . . . 320
Replacing an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Disconnecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . 323
Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . 323
Chapter 27 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
UpgradinganMX240SCB...........................................327
PreparingfortheUpgrade........................................327
Upgrading the SCB in the Backup Routing Engine . . . . . . . . . . . . . . . . . . . . 329
Upgrading the SCB in the Master Routing Engine . . . . . . . . . . . . . . . . . . . . . 330
CompletingtheSCBUpgrade....................................332
ReplacinganMX240SCB...........................................334
RemovinganMX240SCB.......................................335
InstallinganMX240SCB........................................336
UpgradinganMX240SCB.......................................338
PreparingfortheUpgrade....................................338
Upgrading the SCB in the Backup Routing Engine . . . . . . . . . . . . . . . . . 340
Upgrading the SCB in the Master Routing Engine . . . . . . . . . . . . . . . . . . 341
CompletingtheSCBUpgrade.................................343
Upgrading an MX240 SCB or SCBE to SCBE2 . . . . . . . . . . . . . . . . . . . . . . . . 345
Preparing the MX240 Router for the SCBE2 Upgrade . . . . . . . . . . . . . . 345
PoweringOfftheMX240Router..............................346
Removing an MX240 Routing Engine from an SCB or SCBE . . . . . . . . . 346
Replacing the SCB or SCBE with SCBE2 . . . . . . . . . . . . . . . . . . . . . . . . . 347
Installing an MX240 Routing Engine into an SCBE2 . . . . . . . . . . . . . . . . 347
PoweringOntheMX240Router...............................347
CompletingtheSCBE2Upgrade...............................349
Part 5 Maintaining the Chassis and Components
Chapter 28 Routine Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
Routine Maintenance Procedures for the MX240 Router . . . . . . . . . . . . . . . . . . . 353
Chapter29 MaintainingComponents.........................................355
Tools and Parts Required to Maintain the MX240 Router . . . . . . . . . . . . . . . . . . 355
MaintainingtheMX240AirFilter......................................356
MaintainingtheMX240FanTray.....................................356
Maintaining the MX240 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
MaintainingMX240DPCs...........................................360
HoldinganMX240DPC.............................................362
StoringanMX240DPC.............................................364
xiCopyright © 2016, Juniper Networks, Inc.
Table of Contents

MaintainingMX240FPCs...........................................364
HoldinganMX240FPC.............................................366
StoringanMX240FPC.............................................369
MaintainingMX240MICs...........................................369
MaintainingMX240MPCs...........................................370
MaintainingMX240PICs............................................372
Maintaining Cables that Connect to MX240 DPCs, MPCs, MICs, or PICs . . . . . . . 372
Maintaining the MX240 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Part 6 Troubleshooting Hardware
Chapter 30 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Troubleshooting Resources for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Command-LineInterface........................................377
Chassis and Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
AlarmRelayContacts...........................................378
CraftInterfaceLEDs............................................378
ComponentLEDs..............................................379
Juniper Networks Technical Assistance Center . . . . . . . . . . . . . . . . . . . . . . . 379
Troubleshooting the MX240 Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380
TroubleshootingtheMX240DPCs....................................380
TroubleshootingtheMX240FPCs....................................382
TroubleshootingtheMX240MICs....................................384
TroubleshootingtheMX240MPCs....................................384
TroubleshootingtheMX240PICs.....................................385
Troubleshooting the MX240 Power System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 31 Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
ContactingCustomerSupport........................................391
Chapter 32 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Displaying MX240 Router Components and Serial Numbers . . . . . . . . . . . . . . . 393
MX240ChassisSerialNumberLabel..................................394
MX240SCBSerialNumberLabel.....................................395
MX240DPCSerialNumberLabel.....................................396
MX240FPCSerialNumberLabel.....................................397
MX240MICSerialNumberLabel.....................................398
MX240MPCSerialNumberLabel....................................400
MX240PICSerialNumberLabel......................................401
MX240 Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
MX240 Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403
Chapter 33 Packing and Returning Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . 405
Guidelines for Packing Hardware Components for Shipment . . . . . . . . . . . . . . . 406
Packing the MX240 Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
Copyright © 2016, Juniper Networks, Inc.xii
MX240 3D Universal Edge Router Hardware Guide

Part 8 Safety and Compliance Information
Chapter34 SafetyInformation................................................411
DefinitionofSafetyWarningLevels....................................411
General Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . 413
General Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . . 414
QualifiedPersonnelWarning.....................................414
Restricted-AccessAreaWarning..................................414
Preventing Electrostatic Discharge Damage to an MX240 Router . . . . . . . . . . . . 416
Chapter35 Fire SafetyRequirements.........................................419
Fire Safety Requirements for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . . 419
GeneralFireSafetyRequirements.................................419
Fire Suppression...............................................419
FireSuppressionEquipment......................................419
Chapter 36 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 421
MX240ChassisLiftingGuidelines.....................................421
Installation Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . 422
IntrabuildingPortsWarning......................................422
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422
Rack-Mounting Requirements and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 423
Ramp Warning................................................426
Chapter 37 Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . 429
General Laser Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . 429
Laser Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . . . . 429
Class1LaserProductWarning....................................430
Class1LEDProductWarning.....................................430
LaserBeamWarning...........................................430
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . 431
Chapter 38 Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . 433
Maintenance and Operational Safety Warnings for Juniper Networks Devices . . 433
BatteryHandlingWarning.......................................433
JewelryRemovalWarning.......................................434
LightningActivityWarning.......................................435
OperatingTemperatureWarning..................................436
ProductDisposalWarning.......................................437
Chapter 39 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 439
InCaseofanElectricalAccident......................................439
General Electrical Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . 439
GroundedEquipmentWarning...................................440
Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440
MidplaneEnergyHazardWarning..................................441
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . 441
PowerDisconnectionWarning....................................442
General Electrical Safety Guidelines and Electrical Codes for Juniper Networks
Devices ......................................................443
MX240 AC Power Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . 444
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Table of Contents

MX240 DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
DC Power Electrical Safety Warnings for Juniper Networks Devices . . . . . . . . . . 446
DC Power Copper Conductors Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
DCPowerDisconnectionWarning.................................446
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
Site Electrical Wiring Guidelines for MX Series Routers . . . . . . . . . . . . . . . . . . . . 449
Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
RadioFrequencyInterference....................................449
Electromagnetic Compatibility ...................................449
Chapter 40 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 451
Agency Approvals for MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
MX240 Compliance Statements for NEBS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
Compliance Statements for EMC Requirements for the MX240 Router . . . . . . . 453
Canada ......................................................453
EuropeanCommunity...........................................453
Israel ........................................................453
Japan........................................................453
United States .................................................453
Compliance Statements for Environmental Requirements for Juniper Networks
Devices ......................................................454
Compliance Statements for Acoustic Noise for the MX240 Router . . . . . . . . . . 454
Copyright © 2016, Juniper Networks, Inc.xiv
MX240 3D Universal Edge Router Hardware Guide

List of Figures
Part 1 Overview
Chapter 3 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 1: Front View of a Fully ConfiguredMX240 Router . . . . . . . . . . . . . . . . . . . . . 8
Figure 2: Rear View of a Fully Configured AC-PoweredMX240 Router (110 V) . . . . 9
Figure 3: Rear View of a Fully Configured AC-Powered MX240 Router
(220 V)........................................................9
Figure 4: Rear View of a Fully Configured DC-PoweredMX240 Router . . . . . . . . . 10
Figure 5: Front View of a MPC Installed Horizontally in the MX240 Router . . . . . . 10
Figure 6: Front Panel of the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure7:AlarmRelayContacts.........................................13
Chapter 4 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure8:AirflowThroughtheChassis...................................17
Figure9:FanTray...................................................18
Figure10:AirFilter...................................................18
Chapter 5 Host Subsystem Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . 21
Figure11:Midplane..................................................22
Figure12:RE-S-2000RoutingEngine...................................23
Figure13:RE-S-1800................................................24
Figure 14: RE-S-X6-64G Routing Engine Front View . . . . . . . . . . . . . . . . . . . . . . . 24
Figure15:RE-S-1800FrontView.......................................26
Figure16:RoutingEngine–RE-S-1800...................................27
Figure 17: RE-S-X6-64G Routing Engine Front View . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 18: RE-S-X6-64G Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 19: Typical DPCs Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . 48
Figure 20: DPC Installed Horizontally in the MX240 Router . . . . . . . . . . . . . . . . . . 48
Figure 21: MX240 DPC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 22: Typical FPCs Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . 55
Figure 23: FPC Installed in the MX240 Router Chassis . . . . . . . . . . . . . . . . . . . . . . 56
Figure 24: MX240 PIC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 25: MX240 MIC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 26: Typical MPC Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . 75
Figure 27: MPC Installed Horizontally in the MX240 Router . . . . . . . . . . . . . . . . . . 75
Figure 28: Application Services Modular Line Card (AS MLC) . . . . . . . . . . . . . . . . 79
Figure 29: Application Services Modular Storage Card . . . . . . . . . . . . . . . . . . . . . . 82
Figure 30: Application Services Modular Processing Card (AS MXC) . . . . . . . . . . 82
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 85
xvCopyright © 2016, Juniper Networks, Inc.

Figure31:ACPowerSupply...........................................86
Figure 32: High-Capacity AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Figure33:DCPowerSupply..........................................89
Figure 34: High-Capacity DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure35:SCB.....................................................92
Figure36:MXSCBE.................................................94
Figure37:SCBE2....................................................97
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview.............................................103
Figure38:TypicalOpen-FrameRack..................................108
Figure 39: Chassis Dimensions and Clearance Requirements . . . . . . . . . . . . . . . 109
Figure 40: Airflow Through the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Chapter 12 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure41:ACPlugTypes.............................................141
Chapter 13 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 42: Connecting AC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 43: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure44:GroundingCableLug.......................................156
Figure 45: Typical DC Source Cabling to the Router . . . . . . . . . . . . . . . . . . . . . . . 157
Figure46:DCPowerCableLug.......................................158
Part 3 Initial Installation and Configuration
Chapter14 UnpackingtheMX240Router......................................161
Figure 47: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Chapter 15 Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 48: Installing the Front-Mounting Hardware for a Four-Post Rack or
Cabinet ......................................................166
Figure 49: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 167
Chapter16 InstallingtheMX240Router.......................................169
Figure 50: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 171
Figure51:RemovingtheFanTray......................................172
Figure52:RemovinganSCB..........................................173
Figure53:RemovingaDPC...........................................174
Figure54:RemovinganFPC..........................................175
Figure 55: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Figure 56: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure57:ReinstallingaFanTray......................................178
Figure58:ReinstallinganSCB........................................179
Figure59:ReinstallingaDPC.........................................180
Figure60:ReinstallinganFPC........................................180
Figure 61: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 182
Figure62:RemovingtheFanTray.....................................183
Copyright © 2016, Juniper Networks, Inc.xvi
MX240 3D Universal Edge Router Hardware Guide

Figure63:RemovinganSCB.........................................184
Figure64:RemovingaDPC..........................................185
Figure65:RemovinganFPC.........................................186
Figure 66: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Figure 67: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Figure68:ReinstallingaFanTray.....................................189
Figure69:ReinstallinganSCB........................................190
Figure70:ReinstallingaDPC.........................................191
Figure71:ReinstallinganFPC.........................................192
Chapter 17 Connecting the MX240 Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Figure 72: Connecting AC Power to the Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Figure 73: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Figure 74: Connecting Power Cables to the DC Power Supply . . . . . . . . . . . . . . . 203
Chapter 18 Connecting the MX240 Router to the Network . . . . . . . . . . . . . . . . . . . . . . . 205
Figure75:EthernetPort.............................................206
Figure 76: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . 206
Figure 77: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Figure 78: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . 207
Figure79:AlarmRelayContacts......................................208
Figure80:EthernetPort............................................208
Figure 81: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 208
Figure 82: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 83: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . 209
Figure84:AlarmRelayContacts......................................210
Figure85:AttachingaCabletoaDPC..................................212
Figure86:AttachingaCabletoaMIC..................................212
Part 4 Installing and Replacing Components
Chapter21 Installing Components ...........................................223
Figure 87: Installing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Figure88:InstallingtheAirFilter......................................225
Figure89:InstallingtheFanTray......................................226
Figure 90: Installing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Figure91:InstallingaDPC...........................................229
Figure 92: Attaching a Cable to a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Figure93:InstallinganFPC..........................................232
Figure94:InstallingtheSeptum......................................233
Figure95:InstallingaMIC...........................................234
Figure96:InstallinganMPC.........................................236
Figure97:RemovingtheSeptum......................................237
Figure 98: Installing a Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Figure99:InstallingaPIC...........................................240
Figure100:InstallinganASMLC......................................242
Figure101:InstallinganASMSC......................................243
Figure102:InstallinganASMXC......................................244
Figure 103: Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Figure 104: Installing a DC Power Supply in the Router . . . . . . . . . . . . . . . . . . . . 250
xviiCopyright © 2016, Juniper Networks, Inc.
List of Figures

Figure 105: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Figure106:InstallinganSCB.........................................253
Chapter 22 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Figure107:AlarmRelayContacts.....................................255
Figure 108: Removing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Figure 109: Installing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Figure110:AlarmRelayContacts......................................257
Chapter 23 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Figure111:RemovingtheAirFilter.....................................260
Figure112:InstallingtheAirFilter......................................260
Figure113:RemovingtheFanTray.....................................262
Figure114:InstallingtheFanTray.....................................263
Chapter 24 Replacing Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Figure 115: Removing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Figure 116: Installing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Figure 117: RE-S-1800 Storage Drive Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Figure118:CableConnector..........................................270
Figure119:EthernetPort.............................................270
Figure 120: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Figure 121: Removing a Routing Engine from an MX240 Router . . . . . . . . . . . . . . 272
Figure 122: Removing a Routing Engine from an MX480 Router . . . . . . . . . . . . . 272
Figure 123: Removing a Routing Engine from an MX960 Router . . . . . . . . . . . . . 273
Figure 124: Installing a Routing Engine in an MX240 Router . . . . . . . . . . . . . . . . . 274
Figure 125: Installing a Routing Engine in an MX480 Router . . . . . . . . . . . . . . . . . 274
Figure 126: Installing a Routing Engine in an MX960 Router . . . . . . . . . . . . . . . . 275
Chapter 25 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Figure127:RemovingaDPC..........................................281
Figure128:InstallingaDPC..........................................283
Figure 129: Attaching a Cable to a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Figure130:RemovinganFPC........................................286
Figure131:InstallinganFPC..........................................288
Figure132:RemovingaMIC..........................................290
Figure 133: Removing a Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Figure134:InstallingtheSeptum......................................291
Figure135:InstallingaMIC...........................................292
Figure136:RemovinganMPC........................................294
Figure137:InstallinganMPC.........................................296
Figure138:RemovingaPIC..........................................298
Figure139:InstallingaPIC...........................................300
Figure140:RemovingSFPsorXFPs...................................304
Figure141:RemovinganASMLC......................................307
Figure142:InstallinganASMLC......................................308
Figure143:RemovinganASMSC......................................310
Figure144:InstallinganASMSC.......................................311
Figure145:RemovinganASMXC......................................313
Figure146:InstallinganASMXC......................................314
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Chapter 26 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Figure 147: Removing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Figure 148: Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Figure 149: Removing a DC Power Supply from the Router . . . . . . . . . . . . . . . . . . 319
Figure 150: Installing a DC Power Supply in the Router . . . . . . . . . . . . . . . . . . . . 322
Figure 151: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Figure 152: Connecting Power Cables to the DC Power Supply . . . . . . . . . . . . . . 324
Chapter 27 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
Figure153:RemovinganSCB........................................336
Figure154:InstallinganSCB.........................................338
Part 5 Maintaining the Chassis and Components
Chapter29 MaintainingComponents.........................................355
Figure 155: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Figure 156: Do Not Rest the DPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Figure 157: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Figure 158: Do Not Carry an FPC with Only One Hand . . . . . . . . . . . . . . . . . . . . . 367
Figure 159: Do Not Rest the FPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Figure 160: Holding an FPC Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Figure161:DoNotStackFPCs........................................369
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 32 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Figure162:SerialNumberIDLabel ....................................394
Figure 163: MX240 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 395
Figure164:SCBSerialNumberLabel..................................396
Figure165:DPCSerialNumberLabel..................................397
Figure166:FPCSerialNumberLabel..................................398
Figure 167: 2-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Figure 168: 4-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Figure 169: 20-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Figure 170: 40-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Figure171:MPCSerialNumberLabel..................................400
Figure172:PICSerialNumberLabel...................................401
Figure 173: AC Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 402
Figure 174: DC Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 402
Figure 175: Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 403
Figure 176: RE-S-X6-64G Routing Engine Serial Number Label . . . . . . . . . . . . . 403
Part 8 Safety and Compliance Information
Chapter34 SafetyInformation................................................411
Figure 177: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . 416
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List of Figures

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