Juniper MX240 Installation instructions

MX240 3D Universal Edge Router Hardware Guide
Modified: 2017-08-04
Copyright © 2017, Juniper Networks, Inc.

Juniper Networks, Inc.
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Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2017 Juniper Networks, Inc. All rights reserved.
Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. and/or its affiliates in
the United States and other countries. All other trademarks may be property of their respective owners.
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 © 2017 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/. By downloading, installing or using such software, you agree to the terms and conditions of that
EULA.
Copyright © 2017, 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 © 2017, Juniper Networks, Inc.

MX240RoutingEngineDescription.....................................23
RE-S-X6-64G and RE-S-X6-64G-LT Routing Engine Components . . . . . . . 25
RoutingEngineInterfacePorts.....................................26
RE-S-X6-64G and RE-S-X6-64G-LT Routing Engine Interface Ports . . . . . . 26
RoutingEngineBootSequence....................................26
RE-S-1800 Routing Engine Description for MX Series . . . . . . . . . . . . . . . . . . . . . . 27
RE-S-1800 Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
RE-S-1800 Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . 28
RE-S-X6-64G Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
RE-S-X6-64G Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . 29
RE-S-X6-64G Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . . 30
MX240RoutingEngineLEDs..........................................31
RE-S-1800RoutingEngineLEDs.......................................31
RE-S-X6-64GRoutingEngineLEDs....................................32
RoutingEngineSpecifications.........................................33
SupportedRoutingEnginesbyRouter..................................36
M7iRoutingEngines.............................................36
M10iRoutingEngines............................................37
M40eRoutingEngines...........................................37
M120RoutingEngines............................................38
M320RoutingEngines...........................................38
MX5, MX10, MX40, and MX80 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . 39
MX104RoutingEngines..........................................39
MX240RoutingEngines..........................................39
MX480RoutingEngines.........................................40
MX960RoutingEngines..........................................41
MX2008RoutingEngines.........................................42
MX2010RoutingEngines.........................................42
MX2020 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
PTX3000RoutingEngines........................................43
PTX5000RoutingEngines........................................44
T320RoutingEngines...........................................44
T640RoutingEngines...........................................44
T1600RoutingEngines..........................................45
T4000RoutingEngines..........................................46
TXMatrixRoutingEngines........................................46
TXMatrixPlusRoutingEngines....................................47
TX Matrix Plus (with 3D SIBs) Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . 47
Copyright © 2017, Juniper Networks, Inc.iv
MX240 3D Universal Edge Router Hardware Guide

Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
InterfaceModules—DPCs............................................49
MX240 Dense Port Concentrator (DPC) Description . . . . . . . . . . . . . . . . . . . 49
DPCComponents...........................................50
MX240 DPC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
MX240 Dense Port Concentrator (DPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . 54
DPCs Supported on MX240, MX480, and MX960 Routers . . . . . . . . . . . . . . 54
InterfaceModules—FPCsandPICs.....................................57
MX240 Flexible PIC Concentrator (FPC) Description . . . . . . . . . . . . . . . . . . . 57
FPC Components ...........................................58
MX240 Flexible PIC Concentrator (FPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . 59
FPCs Supported by MX240, MX480, and MX960 Routers . . . . . . . . . . . . . . . 59
MX240PICDescription..........................................59
MX240 PIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
MX240PICLEDs................................................61
PICs Supported by MX240, MX480, and MX960 Routers . . . . . . . . . . . . . . . 62
InterfaceModules—MPCsandMICs....................................63
MIC/MPCCompatibility..........................................63
MX240 Modular Interface Card (MIC) Description . . . . . . . . . . . . . . . . . . . . . 70
MICs Supported by MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
MX240 Modular Interface Card (MIC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 74
MX240 MIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
MX240 Modular Port Concentrator (MPC) Description . . . . . . . . . . . . . . . . . . 77
MPCComponents...........................................79
MX240 Modular Port Concentrator (MPC) LEDs . . . . . . . . . . . . . . . . . . . . . . 80
MPCs Supported by MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
MX240 Application Services Modular Line Card Description . . . . . . . . . . . . . 83
MX240ASMLCFunction.....................................84
ASMLCComponents........................................84
MX240 SCB, Power Supply, and Cooling System Requirements for AS
MLC...................................................85
MX240 Application Services Modular Storage Card Description . . . . . . . . . . 86
MX240 Application Services Modular Processing Card Description . . . . . . . . 87
MX240ASMSCLEDs............................................87
MX240ASMXCLEDs............................................88
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 89
MX240PowerSystemDescription.....................................89
MX240ACPowerSupplyDescription...................................90
ACPowerSupplyConfigurations...................................91
MX240ACPowerSupplyLEDs........................................92
MX240DCPowerSupplyDescription...................................92
DCPowerSupplyConfigurations...................................93
MX240DCPowerSupplyLEDs........................................94
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 97
MX240SCBDescription.............................................97
SCBSlots.....................................................98
SCBRedundancy...............................................98
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SCBComponents...............................................98
MX240SCBLEDs..................................................99
MX240SCBEDescription............................................99
MXSCBESlots................................................100
MXSCBERedundancy..........................................100
MXSCBEComponents..........................................101
MX240SCBELEDs.................................................101
MX240SCBE2Description...........................................102
SCBE2Slots...................................................103
SCBE2 Redundancy ............................................104
SCBE2Components............................................104
MX240SCBE2LEDs................................................104
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview.............................................109
MX240 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
MX240 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
MX240SitePreparationChecklist......................................111
MX240RouterRackRequirements.....................................112
MX240 Router Clearance Requirements for Airflow and Hardware
Maintenance...................................................114
MX240 Router Cabinet Size and Clearance Requirements . . . . . . . . . . . . . . . . . . 115
MX240 Router Cabinet Airflow Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
InstallinganMX240RouterOverview...................................117
Chapter 10 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . . 119
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 119
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 120
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion . . . . 121
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 121
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 122
Routing Engine Interface Cable and Wire Specifications for MX Series
Routers.......................................................122
Chapter11 PinoutSpecifications.............................................125
RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port . . . . 125
RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE
Ports.........................................................126
Chapter 12 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 127
AC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . . . . . 127
Power Requirements for an MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
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
Copyright © 2017, Juniper Networks, Inc.vi
MX240 3D Universal Edge Router Hardware Guide

Calculating Power Requirements for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . 153
DC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . . . . . 156
MX240 Chassis Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
MX240 Chassis Grounding Points Specifications . . . . . . . . . . . . . . . . . . . . . . 157
MX240 Router Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . . 158
MX240 Router Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . 158
DC Power Source Cabling for the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . 159
DC Power Cable Specifications for the MX240 Router . . . . . . . . . . . . . . . . . . . . . 160
Part 3 Initial Installation and Configuration
Chapter14 UnpackingtheMX240Router......................................163
Tools and Parts Required to Unpack the MX240 Router . . . . . . . . . . . . . . . . . . . . 163
UnpackingtheMX240Router........................................163
Verifying the MX240 Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Chapter 15 Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Installing the MX240 Router Mounting Hardware for a Rack or Cabinet . . . . . . . 167
Moving the Mounting Brackets for Center-Mounting the MX240 Router . . . . . . . 169
Chapter16 InstallingtheMX240Router........................................171
InstallinganMX240RouterOverview...................................171
Tools Required to Install the MX240 Router with a Mechanical Lift . . . . . . . . . . . 172
Removing Components from the MX240 Router Before Installing it with a
Lift...........................................................172
Removing the Power Supplies Before Installing the MX240 Router with a
Lift .......................................................173
Removing the Fan Tray Before Installing the MX240 Router with a Lift . . . . 174
Removing the SCBs Before Installing the MX240 Router with a Lift . . . . . . . 174
Removing the DPCs Before Installing the MX240 Router with a Lift . . . . . . . 175
Removing the FPC Before Installing the MX240 Router with a Lift . . . . . . . . 176
Installing the MX240 Router By Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . 177
Reinstalling Components in the MX240 Router After Installing it with a Lift . . . . 179
Reinstalling the Power Supplies After Installing the MX240 Router with a
Lift.......................................................179
Reinstalling the Fan Tray After Installing the MX240 Router with a Lift . . . . 180
Reinstalling the SCBs After Installing the MX240 Router with a Lift . . . . . . . 181
Reinstalling the DPCs After Installing the MX240 Router with a Lift . . . . . . . 181
Reinstalling the FPCs After Installing the MX240 Router with a Lift . . . . . . . 182
Tools Required to Install the MX240 Router without a Mechanical Lift . . . . . . . . 183
Removing Components from the MX240 Router Before Installing it without a
Lift ..........................................................183
Removing the Power Supplies Before Installing the MX240 Router without
aLift.....................................................184
Removing the Fan Tray Before Installing the MX240 Router without a
Lift.......................................................185
Removing the SCBs Before Installing the MX240 Router without a Lift . . . . 185
Removing the DPCs Before Installing the MX240 Router without a Lift . . . . 186
Removing the FPC Before Installing the MX240 Router without a Lift . . . . . 187
Installing the MX240 Chassis in the Rack Manually . . . . . . . . . . . . . . . . . . . . . . . 189
viiCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Reinstalling Components in the MX240 Router After Installing it without a
Lift ..........................................................190
Reinstalling the Power Supplies After Installing the MX240 Router without
aLift......................................................191
Reinstalling the Fan Tray After Installing the MX240 Router without a
Lift .......................................................191
Reinstalling the SCBs After Installing the MX240 Router without a Lift . . . . 192
Reinstalling the DPCs After Installing the MX240 Router without a Lift . . . . 193
Reinstalling the FPCs After Installing the MX240 Router without a Lift . . . . 194
Chapter 17 Connecting the MX240 Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Tools and Parts Required for MX240 Router Grounding and Power
Connections...................................................197
GroundingtheMX240Router........................................198
Connecting Power to an AC-Powered MX240 Router with Normal-Capacity
PowerSupplies................................................199
Powering On an AC-Powered MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power
Supplies......................................................201
Powering On a DC-Powered MX240 Router with Normal Capacity Power
Supplies .....................................................204
PoweringOfftheMX240Router......................................206
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Chapter 18 Connecting the MX240 Router to the Network . . . . . . . . . . . . . . . . . . . . . . . . 211
Tools and Parts Required for MX240 Router Connections . . . . . . . . . . . . . . . . . . . 211
Connecting the MX240 Router to Management and Alarm Devices . . . . . . . . . . . 211
Connecting the MX240 Router to a Network for Out-of-Band
Management...............................................212
Connecting the MX240 Router to a Management Console or Auxiliary
Device ....................................................212
Connecting the MX240 Router to an External Alarm-Reporting Device . . . . 213
Connecting the MX240 Router to a Network for Out-of-Band Management . . . 214
Connecting the MX240 Router to a Management Console or Auxiliary Device . . 215
Connecting the MX240 Router to an External Alarm-Reporting Device . . . . . . . 216
Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router . . . . . . . . . . . . . 217
Chapter 19 Initially Configuring the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Initially Configuring the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Part 4 Installing and Replacing Components
Chapter 20 Overview of Installing and Replacing Components . . . . . . . . . . . . . . . . . . . 225
MX240 Field-Replaceable Units (FRUs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Tools and Parts Required to Replace MX240 Hardware Components . . . . . . . . 226
Chapter21 Installing Components ...........................................229
Installing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
InstallingtheMX240AirFilter........................................230
Installing the MX240 Normal-Capacity Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . 231
Copyright © 2017, Juniper Networks, Inc.viii
MX240 3D Universal Edge Router Hardware Guide

InstallinganMX240RoutingEngine...................................232
InstallinganMX240DPC............................................233
InstallinganMX240FPC............................................238
InstallinganMX240MIC............................................240
InstallinganMX240MPC...........................................243
InstallinganMX240Dual-WideMIC...................................245
InstallinganMX240PIC.............................................247
InstallinganMX240ASMLC.........................................249
InstallinganMX240ASMSC.........................................251
InstallinganMX240ASMXC.........................................252
Installing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . . . . . 254
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or PIC . . . 255
Installing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . . . . 256
Installing an MX240 DC Normal Capacity Power Supply . . . . . . . . . . . . . . . . . . . 258
InstallinganMX240SCB............................................261
Chapter 22 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Replacing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Disconnecting the Alarm Relay Wires from the MX240 Craft Interface . . . . 265
Removing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Installing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Connecting the Alarm Relay Wires to the MX240 Craft Interface . . . . . . . . . 267
Chapter 23 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
ReplacingtheMX240AirFilter.......................................269
RemovingtheMX240AirFilter...................................269
InstallingtheMX240AirFilter....................................270
ReplacingtheMX240FanTray........................................271
RemovingtheMX240FanTray....................................271
Installing the MX240 Normal-Capacity Fan Tray . . . . . . . . . . . . . . . . . . . . . . 272
Chapter 24 Replacing Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
ReplacinganMX240RoutingEngine..................................275
Removing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Installing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Replacing an SSD Drive on an RE-S-1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Replacing an SSD Drive on an RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Replacing Connections to MX240 Routing Engine Interface Ports . . . . . . . . . . . 285
Replacing the Management Ethernet Cable on an MX240 Router . . . . . . . 286
Replacing the Console or Auxiliary Cable on an MX240 Router . . . . . . . . . . 286
Upgrading to the RE-S-X6-64G Routing Engine in a Redundant Host
Subsystem....................................................287
RemovingtheRoutingEngine....................................288
Installing the Routing Engine RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . . . . . 290
Verifying and Configuring the Upgraded Routing Engine as the Master . . . . 293
Verifying and Configuring the Upgraded Routing Engine as the Backup . . . 293
Upgrading to the RE-S-X6-64G Routing Engine in a Nonredundant Host
Subsystem ...................................................293
RemovingtheRoutingEngine....................................294
Installing the Routing Engine RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . . . . . 295
ixCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Chapter 25 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
ReplacinganMX240DPC...........................................297
RemovinganMX240DPC.......................................297
InstallinganMX240DPC........................................299
ReplacinganMX240FPC...........................................302
RemovinganMX240FPC.......................................302
InstallinganMX240FPC........................................305
ReplacinganMX240MIC...........................................307
RemovinganMX240MIC........................................307
InstallinganMX240MIC........................................309
ReplacinganMX240MPC............................................311
RemovinganMX240MPC........................................311
InstallinganMX240MPC........................................313
ReplacinganMX240PIC............................................316
RemovinganMX240PIC........................................316
InstallinganMX240PIC.........................................318
Replacing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . . . . 320
Removing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . 320
Installing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . . 321
Replacing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or PIC . . 323
Removing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or
PIC ......................................................323
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or
PIC ......................................................324
ReplacinganMX240ASMLC........................................325
RemovinganMX240ASMLC.....................................325
InstallinganMX240ASMLC.....................................327
ReplacinganMX240ASMSC........................................328
RemovinganMX240ASMSC....................................329
InstallinganMX240ASMSC.....................................330
ReplacinganMX240ASMXC.........................................331
RemovinganMX240ASMXC....................................332
InstallinganMX240ASMXC.....................................333
Chapter 26 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Replacing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . . . . 335
Removing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . 335
Installing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . 336
Replacing an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Disconnecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . 338
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . 338
Replacing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . . . . . . . . 338
Removing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . . . . 339
Installing an MX240 DC Normal Capacity Power Supply . . . . . . . . . . . . . . . 340
Replacing an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Disconnecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . 343
Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . 344
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MX240 3D Universal Edge Router Hardware Guide

Chapter 27 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
UpgradinganMX240SCB...........................................347
PreparingfortheUpgrade.......................................347
Upgrading the SCB in the Backup Routing Engine . . . . . . . . . . . . . . . . . . . . 349
Upgrading the SCB in the Master Routing Engine . . . . . . . . . . . . . . . . . . . . . 351
CompletingtheSCBUpgrade....................................353
ReplacinganMX240SCB...........................................355
RemovinganMX240SCB.......................................356
InstallinganMX240SCB........................................357
UpgradinganMX240SCB.......................................359
PreparingfortheUpgrade....................................359
Upgrading the SCB in the Backup Routing Engine . . . . . . . . . . . . . . . . . 361
Upgrading the SCB in the Master Routing Engine . . . . . . . . . . . . . . . . . 363
CompletingtheSCBUpgrade.................................365
Upgrading an MX240 SCB or SCBE to SCBE2 . . . . . . . . . . . . . . . . . . . . . . . . 367
Preparing the MX240 Router for the SCBE2 Upgrade . . . . . . . . . . . . . . 367
PoweringOfftheMX240Router..............................368
Removing an MX240 Routing Engine from an SCB or SCBE . . . . . . . . . 369
Replacing the SCB or SCBE with SCBE2 . . . . . . . . . . . . . . . . . . . . . . . . 369
Installing an MX240 Routing Engine into an SCBE2 . . . . . . . . . . . . . . . 369
PoweringOntheMX240Router...............................370
CompletingtheSCBE2Upgrade...............................371
Part 5 Maintaining the Chassis and Components
Chapter 28 Routine Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
Routine Maintenance Procedures for the MX240 Router . . . . . . . . . . . . . . . . . . . 375
Chapter29 Maintaining Components .........................................377
Tools and Parts Required to Maintain the MX240 Router . . . . . . . . . . . . . . . . . . . 377
MaintainingtheMX240AirFilter......................................378
MaintainingtheMX240FanTray......................................378
Maintaining the MX240 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380
MaintainingMX240DPCs...........................................382
HoldinganMX240DPC.............................................384
StoringanMX240DPC.............................................386
MaintainingMX240FPCs...........................................387
HoldinganMX240FPC.............................................388
StoringanMX240FPC.............................................392
MaintainingMX240MICs............................................393
MaintainingMX240MPCs...........................................393
MaintainingMX240PICs............................................395
Maintaining Cables that Connect to MX240 DPCs, MPCs, MICs, or PICs . . . . . . 395
Maintaining the MX240 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396
xiCopyright © 2017, Juniper Networks, Inc.
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Part 6 Troubleshooting Hardware
Chapter 30 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Troubleshooting Resources for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Command-LineInterface........................................401
Chassis and Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
AlarmRelayContacts...........................................402
CraftInterfaceLEDs............................................402
ComponentLEDs..............................................403
Juniper Networks Technical Assistance Center . . . . . . . . . . . . . . . . . . . . . . . 403
Troubleshooting the MX240 Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
TroubleshootingtheMX240DPCs....................................404
TroubleshootingtheMX240FPCs....................................406
TroubleshootingtheMX240MICs....................................408
TroubleshootingtheMX240MPCs....................................408
TroubleshootingtheMX240PICs.....................................410
Troubleshooting the MX240 Power System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 31 Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417
ContactingCustomerSupport........................................417
Chapter 32 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Displaying MX240 Router Components and Serial Numbers . . . . . . . . . . . . . . . . 419
MX240ChassisSerialNumberLabel..................................420
MX240SCBSerialNumberLabel.....................................421
MX240DPCSerialNumberLabel.....................................422
MX240FPCSerialNumberLabel.....................................423
MX240MICSerialNumberLabel.....................................424
MX240MPCSerialNumberLabel....................................426
MX240PICSerialNumberLabel......................................427
MX240 Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427
MX240 Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429
Chapter 33 Packing and Returning Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 431
Guidelines for Packing Hardware Components for Shipment . . . . . . . . . . . . . . . 432
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . . 432
Packing the MX240 Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
Part 8 Safety and Compliance Information
Chapter 34 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440
QualifiedPersonnelWarning.........................................442
FireSafetyRequirements...........................................443
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Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Preventing Electrostatic Discharge Damage to an MX240 Router . . . . . . . . . . . 444
Chapter 35 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 447
InstallationInstructionsWarning......................................447
MX240ChassisLiftingGuidelines....................................448
RampWarning....................................................449
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 449
GroundedEquipmentWarning.......................................453
Chapter 36 Radiation and Laser Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 455
GeneralLaserSafetyGuidelines..................................455
Class1LaserProductWarning....................................456
Class1LEDProductWarning.....................................456
LaserBeamWarning...........................................456
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Chapter 37 Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . 459
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 459
BatteryHandlingWarning.......................................459
JewelryRemovalWarning.......................................460
LightningActivityWarning.......................................461
OperatingTemperatureWarning..................................462
ProductDisposalWarning.......................................463
Chapter 38 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 465
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 465
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . 466
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
ACPowerDisconnectionWarning....................................469
DC Power Copper Conductors Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469
DCPowerDisconnectionWarning.....................................470
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 472
DCPowerWiringSequenceWarning...................................473
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
MidplaneEnergyHazardWarning.....................................476
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 476
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Site Electrical Wiring Guidelines for MX Series Routers . . . . . . . . . . . . . . . . . . . . 477
Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477
RadioFrequencyInterference.....................................477
ElectromagneticCompatibility....................................477
Chapter 39 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . 479
Agency Approvals for MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Compliance Statements for EMC Requirements for Juniper Networks
Devices ......................................................480
Canada......................................................480
EuropeanCommunity..........................................480
Israel ........................................................481
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Japan ........................................................481
UnitedStates..................................................481
Compliance Statements for Environmental Requirements for Juniper Networks
Devices.......................................................481
ComplianceStatementsforNEBS....................................482
Compliance Statements for Acoustic Noise for the MX240 Router . . . . . . . . . . 482
Copyright © 2017, 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
(220V)........................................................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...................................24
Figure13:RE-S-1800................................................24
Figure 14: RE-S-X6-64G Routing Engine Front View . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 15: RE-S-X6-64G-LT Routing Engine Front View . . . . . . . . . . . . . . . . . . . . . 25
Figure16:RE-S-1800FrontView.......................................27
Figure17:RoutingEngine–RE-S-1800...................................28
Figure 18: RE-S-X6-64G Routing Engine Front View . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 19: RE-S-X6-64G Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 20: Typical DPCs Supported on the MX240 Router . . . . . . . . . . . . . . . . . . 50
Figure 21: DPC Installed Horizontally in the MX240 Router . . . . . . . . . . . . . . . . . . 50
Figure 22: MX240 DPC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 23: Typical FPCs Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . 57
Figure 24: FPC Installed in the MX240 Router Chassis . . . . . . . . . . . . . . . . . . . . . . 58
Figure 25: MX240 PIC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 26: MX240 MIC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 27: Typical MPC Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . . 79
Figure 28: MPC Installed Horizontally in the MX240 Router . . . . . . . . . . . . . . . . . . 79
Figure 29: Application Services Modular Line Card (AS MLC) . . . . . . . . . . . . . . . . 84
Figure 30: Application Services Modular Storage Card . . . . . . . . . . . . . . . . . . . . . 86
Figure 31: Application Services Modular Processing Card (AS MXC) . . . . . . . . . . . 87
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 89
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Figure32:ACPowerSupply...........................................90
Figure 33: High-Capacity AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure34:DCPowerSupply..........................................93
Figure 35: High-Capacity DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure36:SCB.....................................................98
Figure37:MXSCBE................................................100
Figure38:SCBE2..................................................103
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview.............................................109
Figure39:TypicalOpen-FrameRack...................................114
Figure 40: Chassis Dimensions and Clearance Requirements . . . . . . . . . . . . . . . . 115
Figure 41: Airflow Through the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Chapter 12 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 127
Figure42:ACPlugTypes.............................................141
Chapter 13 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 43: Connecting AC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 44: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure45:GroundingCableLug.......................................158
Figure 46: Typical DC Source Cabling to the Router . . . . . . . . . . . . . . . . . . . . . . . 159
Figure47:DCPowerCableLug.......................................160
Part 3 Initial Installation and Configuration
Chapter14 UnpackingtheMX240Router......................................163
Figure 48: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Chapter 15 Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 49: Installing the Front-Mounting Hardware for a Four-Post Rack or
Cabinet ......................................................168
Figure 50: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 169
Chapter16 InstallingtheMX240Router........................................171
Figure 51: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 173
Figure52:RemovingtheFanTray......................................174
Figure53:RemovinganSCB..........................................175
Figure54:RemovingaDPC..........................................176
Figure55:RemovinganFPC..........................................177
Figure 56: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Figure 57: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Figure58:ReinstallingaFanTray.....................................180
Figure59:ReinstallinganSCB........................................181
Figure60:ReinstallingaDPC.........................................182
Figure61:ReinstallinganFPC.........................................183
Figure 62: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 184
Figure63:RemovingtheFanTray.....................................185
Copyright © 2017, Juniper Networks, Inc.xvi
MX240 3D Universal Edge Router Hardware Guide

Figure64:RemovinganSCB.........................................186
Figure65:RemovingaDPC..........................................187
Figure66:RemovinganFPC.........................................188
Figure 67: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 68: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Figure69:ReinstallingaFanTray......................................192
Figure70:ReinstallinganSCB........................................193
Figure71:ReinstallingaDPC.........................................194
Figure72:ReinstallinganFPC........................................195
Chapter 17 Connecting the MX240 Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Figure 73: Connecting AC Power to the Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Figure 74: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Figure 75: Connecting Power Cables to the DC Power Supply . . . . . . . . . . . . . . . 208
Chapter 18 Connecting the MX240 Router to the Network . . . . . . . . . . . . . . . . . . . . . . . . 211
Figure76:EthernetPort.............................................212
Figure 77: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 212
Figure 78: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 79: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . . 213
Figure80:AlarmRelayContacts......................................214
Figure81:EthernetPort..............................................214
Figure 82: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 215
Figure 83: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Figure 84: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . 216
Figure85:AlarmRelayContacts......................................217
Figure86:AttachingaCabletoaDPC..................................218
Figure87:AttachingaCabletoaMIC..................................218
Part 4 Installing and Replacing Components
Chapter21 Installing Components ...........................................229
Figure 88: Installing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Figure89:InstallingtheAirFilter......................................231
Figure90:InstallingtheFanTray......................................232
Figure 91: Installing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Figure92:InstallingaDPC...........................................236
Figure93:AttachingaCabletoaDPC..................................237
Figure94:InstallinganFPC..........................................239
Figure95:InstallingtheSeptum......................................241
Figure96:InstallingaMIC...........................................242
Figure97:InstallinganMPC.........................................244
Figure98:RemovingtheSeptum.....................................245
Figure 99: Installing a Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Figure100:InstallingaPIC..........................................249
Figure101:InstallinganASMLC.......................................251
Figure102:InstallinganASMSC......................................252
Figure103:InstallinganASMXC......................................253
Figure 104: Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Figure 105: Installing a DC Power Supply in the Router . . . . . . . . . . . . . . . . . . . . 260
xviiCopyright © 2017, Juniper Networks, Inc.
List of Figures

Figure 106: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . 260
Figure107:InstallinganSCB.........................................262
Chapter 22 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Figure108:AlarmRelayContacts.....................................265
Figure 109: Removing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Figure 110: Installing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Figure111:AlarmRelayContacts......................................267
Chapter 23 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Figure112:RemovingtheAirFilter.....................................270
Figure113:InstallingtheAirFilter......................................270
Figure114:RemovingtheFanTray.....................................272
Figure115:InstallingtheFanTray......................................273
Chapter 24 Replacing Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Figure 116: Removing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Figure 117: Installing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Figure 118: RE-S-1800 Storage Drive Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Figure 119: RE-S-X6-64G Storage Drive Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Figure 120: Removing an SSD in the Routing Engine RE-S-X6-64G . . . . . . . . . . 282
Figure 121: Installing an SSD in the Routing Engine RE-S-X6-64G . . . . . . . . . . . 284
Figure122:CableConnector.........................................286
Figure123:EthernetPort............................................286
Figure 124: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Figure 125: Removing a Routing Engine from an MX240 Router . . . . . . . . . . . . . 289
Figure 126: Removing a Routing Engine from an MX480 Router . . . . . . . . . . . . . 289
Figure 127: Removing a Routing Engine from an MX960 Router . . . . . . . . . . . . . 290
Figure 128: Installing a Routing Engine in an MX240 Router . . . . . . . . . . . . . . . . . 291
Figure 129: Installing a Routing Engine in an MX480 Router . . . . . . . . . . . . . . . . 292
Figure 130: Installing a Routing Engine in an MX960 Router . . . . . . . . . . . . . . . . 292
Chapter 25 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Figure131:RemovingaDPC..........................................299
Figure132:InstallingaDPC..........................................301
Figure 133: Attaching a Cable to a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Figure134:RemovinganFPC........................................304
Figure135:InstallinganFPC.........................................306
Figure136:RemovingaMIC..........................................308
Figure 137: Removing a Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Figure138:InstallingtheSeptum.....................................309
Figure139:InstallingaMIC...........................................311
Figure140:RemovinganMPC........................................313
Figure141:InstallinganMPC..........................................315
Figure142:RemovingaPIC...........................................317
Figure143:InstallingaPIC...........................................319
Figure144:RemovingSFPsorXFPs...................................324
Figure145:RemovinganASMLC......................................327
Figure146:InstallinganASMLC......................................328
Figure147:RemovinganASMSC.....................................330
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Figure148:InstallinganASMSC......................................331
Figure149:RemovinganASMXC.....................................333
Figure150:InstallinganASMXC......................................334
Chapter 26 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Figure 151: Removing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Figure 152: Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Figure 153: Removing a DC Power Supply from the Router . . . . . . . . . . . . . . . . . 340
Figure 154: Installing a DC Power Supply in the Router . . . . . . . . . . . . . . . . . . . . 342
Figure 155: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Figure 156: Connecting Power Cables to the DC Power Supply . . . . . . . . . . . . . . 345
Chapter 27 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Figure157:RemovinganSCB.........................................357
Figure158:InstallinganSCB.........................................359
Part 5 Maintaining the Chassis and Components
Chapter29 Maintaining Components .........................................377
Figure 159: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Figure 160: Do Not Rest the DPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Figure 161: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
Figure 162: Do Not Carry an FPC with Only One Hand . . . . . . . . . . . . . . . . . . . . . 390
Figure 163: Do Not Rest the FPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Figure 164: Holding an FPC Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Figure165:DoNotStackFPCs.......................................392
Part 6 Troubleshooting Hardware
Chapter 30 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Figure 166: MX240 DC High-Capacity Power Supply Input Mode Switch . . . . . . 413
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 32 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Figure167:SerialNumberIDLabel ....................................420
Figure 168: MX240 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 421
Figure169:SCBSerialNumberLabel..................................422
Figure170:DPCSerialNumberLabel..................................423
Figure171:FPCSerialNumberLabel...................................424
Figure 172: 2-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Figure 173: 4-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Figure 174: 20-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Figure 175: 40-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Figure176:MPCSerialNumberLabel..................................426
Figure177:PICSerialNumberLabel....................................427
Figure 178: AC Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 428
Figure 179: DC Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 428
Figure 180: Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 429
Figure 181: RE-S-X6-64G Routing Engine Serial Number Label . . . . . . . . . . . . . 429
xixCopyright © 2017, Juniper Networks, Inc.
List of Figures

Part 8 Safety and Compliance Information
Chapter 34 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Figure 182: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . 445
Chapter 38 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 465
Figure 183: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . 467
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