Juniper MX240 Installation instructions

MX240 5G Universal Routing Platform Hardware
Guide
Modified: 2019-07-01
Copyright © 2019, Juniper Networks, Inc.

Juniper Networks, Inc.
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Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in the United States
and other countries. All other trademarks, service marks, registered marks, or registered service marks are the 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 5G Universal Routing Platform Hardware Guide
Copyright © 2019 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
https://support.juniper.net/support/eula/. By downloading, installing or using such software, you agree to the terms and conditions of
that EULA.
Copyright © 2019, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation............................................xxi
DocumentationandReleaseNotes.................................xxi
UsingtheExamplesinThisManual.................................xxi
MergingaFullExample......................................xxii
MergingaSnippet...........................................xxii
DocumentationConventions.....................................xxiii
DocumentationFeedback........................................xxv
RequestingTechnicalSupport....................................xxv
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xxvi
Creating a Service Request with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvi
Chapter1 Overview .........................................................27
MX240SystemOverview.............................................27
BenefitsoftheMX240Router.....................................27
MX240HardwareOverview.......................................28
MX240 Chassis ....................................................30
MX240ChassisDescription.......................................30
MX240 Router Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . 33
MX240ComponentRedundancy..................................34
MX240CraftInterfaceOverview...................................35
MX240 Alarm Relay Contacts on the Craft Interface . . . . . . . . . . . . . . . . . . . 35
MX240 Alarm LEDs and Alarm Cutoff/Lamp Test Button . . . . . . . . . . . . . . . 36
MX240 Component LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . 36
Host Subsystem LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . 37
Power Supply LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . 37
DPC and MPC LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . 37
FPC LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 38
SCB LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . 38
Fan LED on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
MX240CoolingSystem..............................................39
MX240CoolingSystemDescription................................39
MX240FanLED................................................40
MX240ACPowerSystem.............................................41
MX240PowerSystemDescription..................................41
MX240 AC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
ACPowerSupplyConfigurations...............................43
MX240ACPowerSupplyLEDs....................................43
AC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . . 44
AC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . . 45
AC Power Cord Specifications for the MX240 Router . . . . . . . . . . . . . . . . . . . 46
Errata with the MX240 Router Documentation . . . . . . . . . . . . . . . . . . . . . . . . 48
iiiCopyright © 2019, Juniper Networks, Inc.

MX240DCPowerSystem............................................48
MX240 DC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
DCPowerSupplyConfigurations...............................49
MX240DCPowerSupplyLEDs....................................50
DC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . . 51
DC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . . 52
MX240 Chassis Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
MX240 Chassis Grounding Points Specifications . . . . . . . . . . . . . . . . . . 53
MX240 Router Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . 54
MX240 Router Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . 54
DC Power Source Cabling for the MX240 Router . . . . . . . . . . . . . . . . . . . . . . 55
DC Power Cable Specifications for the MX240 Router . . . . . . . . . . . . . . . . . . 56
Outstanding Issues with the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 57
MX240 Host Subsystem Components and Descriptions . . . . . . . . . . . . . . . . . . . . 57
MX240HostSubsystemDescription................................58
MX240HostSubsystemLEDs.....................................58
MX240MidplaneDescription......................................58
MX240RoutingEngineDescription.................................59
RE-S-X6-64G and RE-S-X6-64G-LT Routing Engine Components . . . . 61
RoutingEngineInterfacePorts.................................62
RE-S-X6-64G and RE-S-X6-64G-LT Routing Engine Interface
Ports ..................................................62
RoutingEngineBootSequence.................................62
RE-S-1800 Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
RE-S-1800 Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . 63
RE-S-1800RoutingEngineLEDs...............................64
RE-S-1800 Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . 64
RE-S-X6-64G Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
RE-S-X6-64G Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . 65
RE-S-X6-64G Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . 66
RE-S-X6-128G Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
RE-S-X6-128G Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . 67
RE-S-X6-128G Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
RE-S-X6-128G Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . 69
MX240RoutingEngineLEDs......................................69
RE-S-1800RoutingEngineLEDs...................................70
RE-S-X6-64GRoutingEngineLEDs................................70
RoutingEngineSpecifications......................................71
Supported Routing Engines by Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
M7iRoutingEngines..........................................78
M10iRoutingEngines.........................................79
M40eRoutingEngines........................................79
M120RoutingEngines........................................80
M320RoutingEngines.......................................80
MX5, MX10, MX40, and MX80 Routing Engine . . . . . . . . . . . . . . . . . . . . . 81
MX104RoutingEngines.......................................81
MX240RoutingEngines.......................................81
MX480RoutingEngines......................................82
MX960RoutingEngines......................................83
Copyright © 2019, Juniper Networks, Inc.iv
MX240 5G Universal Routing Platform Hardware Guide

MX2008RoutingEngines.....................................84
MX2010RoutingEngines.....................................85
MX2020 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
MX10003RoutingEngines....................................86
MX10008RoutingEngines....................................86
PTX1000RoutingEngines.....................................87
PTX3000RoutingEngines....................................87
PTX5000RoutingEngines....................................87
PTX10008 and PTX10016 Routing Engines . . . . . . . . . . . . . . . . . . . . . . . 88
T320RoutingEngines........................................89
T640RoutingEngines.......................................89
T1600RoutingEngines.......................................90
T4000RoutingEngines.......................................91
TXMatrixRoutingEngines.....................................91
TXMatrixPlusRoutingEngines................................92
TX Matrix Plus (with 3D SIBs) Routing Engines . . . . . . . . . . . . . . . . . . . . 92
MX240 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 93
InterfaceModules—DPCs.........................................93
MX240 Dense Port Concentrator (DPC) Description . . . . . . . . . . . . . . . . 93
MX240 DPC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . 95
MX240 Dense Port Concentrator (DPC) LEDs . . . . . . . . . . . . . . . . . . . . . 98
DPCs Supported on MX240, MX480, and MX960 Routers . . . . . . . . . . 98
InterfaceModules—FPCsandPICs.................................101
MX240 Flexible PIC Concentrator (FPC) Description . . . . . . . . . . . . . . . 101
MX240 Flexible PIC Concentrator (FPC) LEDs . . . . . . . . . . . . . . . . . . . . 103
FPCs Supported by MX240, MX480, and MX960 Routers . . . . . . . . . . 104
MX240PICDescription......................................104
MX240 PIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . 105
MX240PICLEDs...........................................106
PICs Supported by MX240, MX480, and MX960 Routers . . . . . . . . . . . 107
Interface Modules—MPCs and MICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
MIC/MPCCompatibility......................................108
MX240 Modular Interface Card (MIC) Description . . . . . . . . . . . . . . . . . 116
MICs Supported by MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
MX240 Modular Interface Card (MIC) LEDs . . . . . . . . . . . . . . . . . . . . . . 124
MX240 MIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . 124
MX240 Modular Port Concentrator (MPC) Description . . . . . . . . . . . . . 127
MX240 Modular Port Concentrator (MPC) LEDs . . . . . . . . . . . . . . . . . . 129
MPCs Supported by MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . 130
MX240 Application Services Modular Line Card Description . . . . . . . . . 133
MX240ASMSCLEDs........................................136
MX240 Application Services Modular Processing Card Description . . . 136
MX240ASMXCLEDs........................................137
MX-Series Switch Control Board (SCB) Overview . . . . . . . . . . . . . . . . . . . . . . . . 138
CLIIdentification...............................................139
vCopyright © 2019, Juniper Networks, Inc.
Table of Contents

Chapter 2 Site Planning, Preparation, and Specifications . . . . . . . . . . . . . . . . . . . . . . . 141
MX240SitePreparationChecklist.....................................141
MX240 Site Guidelines and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
MX240 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
MX240 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 144
MX240RouterRackRequirements................................144
MX240 Router Clearance Requirements for Airflow and Hardware
Maintenance...............................................146
MX240 Router Cabinet Size and Clearance Requirements . . . . . . . . . . . . . . 147
MX240 Router Cabinet Airflow Requirements . . . . . . . . . . . . . . . . . . . . . . . . 147
MX240PowerPlanning.............................................148
Power Requirements for an MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Calculating Power Requirements for MX240 Routers . . . . . . . . . . . . . . . . . . 156
MX240 Network Cable and Transceiver Planning . . . . . . . . . . . . . . . . . . . . . . . . . 159
Determining Transceiver Support and Specifications for M Series and T
SeriesRouters..............................................159
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion.................................................160
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . 160
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . 160
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . 161
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . 161
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . 161
Routing Engine Interface Cable and Wire Specifications for MX Series
Routers ...................................................163
MX240 Management and Console Port Specifications and Pinouts . . . . . . . . . . 163
RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET
Port ......................................................163
RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE
Ports .....................................................164
Chapter 3 Initial Installation and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Installing an MX240 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
UnpackingtheMX240Router........................................166
Tools and Parts Required to Unpack the MX240 Router . . . . . . . . . . . . . . . . 166
UnpackingtheMX240Router....................................166
Verifying the MX240 Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . 168
InstallingtheMX240Router..........................................170
Installing the MX240 Router Mounting Hardware for a Rack or Cabinet . . . 170
Moving the Mounting Brackets for Center-Mounting the MX240 Router . . . 172
Tools Required to Install the MX240 Router with a Mechanical Lift . . . . . . . 173
Removing Components from the MX240 Router Before Installing it with a
Lift .......................................................173
Removing the Power Supplies Before Installing the MX240 Router with
aLift..................................................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 . . . 175
Removing the DPCs Before Installing the MX240 Router with a Lift . . . 176
Copyright © 2019, Juniper Networks, Inc.vi
MX240 5G Universal Routing Platform Hardware Guide

Removing the FPC Before Installing the MX240 Router with a Lift . . . . 177
Installing the MX240 Router By Using a Mechanical Lift . . . . . . . . . . . . . . . . 178
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 .................................................180
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 . . . 182
Reinstalling the FPCs After Installing the MX240 Router with a Lift . . . 183
Tools Required to Install the MX240 Router without a Mechanical Lift . . . . 184
Removing Components from the MX240 Router Before Installing it without
aLift.....................................................184
Removing the Power Supplies Before Installing the MX240 Router
withoutaLift...........................................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 ...................................................186
Removing the DPCs Before Installing the MX240 Router without a
Lift ...................................................187
Removing the FPC Before Installing the MX240 Router without a
Lift ...................................................188
Installing the MX240 Chassis in the Rack Manually . . . . . . . . . . . . . . . . . . . 189
Reinstalling Components in the MX240 Router After Installing it without a
Lift .......................................................191
Reinstalling the Power Supplies After Installing the MX240 Router
withoutaLift...........................................191
Reinstalling the Fan Tray After Installing the MX240 Router without a
Lift ...................................................192
Reinstalling the SCBs After Installing the MX240 Router without a
Lift ...................................................193
Reinstalling the DPCs After Installing the MX240 Router without a
Lift ...................................................193
Reinstalling the FPCs After Installing the MX240 Router without a
Lift ...................................................194
Connecting the MX240 Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Tools and Parts Required for MX240 Router Grounding and Power
Connections ...............................................195
GroundingtheMX240Router.....................................196
Connecting Power to an AC-Powered MX240 Router with Normal-Capacity
PowerSupplies.............................................197
Powering On an AC-Powered MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . 198
Connecting Power to a DC-Powered MX240 Router with Normal-Capacity
Power Supplies ............................................199
Powering On a DC-Powered MX240 Router with Normal Capacity Power
Supplies..................................................202
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . 204
viiCopyright © 2019, Juniper Networks, Inc.
Table of Contents

Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . 204
PoweringOfftheMX240Router..................................206
Connecting the MX240 Router to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Tools and Parts Required for MX240 Router Connections . . . . . . . . . . . . . . 207
Connecting the MX240 Router to a Network for Out-of-Band
Management ..............................................207
Connecting the MX240 Router to a Management Console or Auxiliary
Device....................................................207
Connecting the MX240 Router to an External Alarm-Reporting Device . . . 208
Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router . . . . . . . . . 209
Initially Configuring the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Chapter 4 Maintaining, Installing and Replacing Components . . . . . . . . . . . . . . . . . . . 217
MaintainingMX240Components......................................217
Routine Maintenance Procedures for the MX240 Router . . . . . . . . . . . . . . . . 217
Tools and Parts Required to Maintain the MX240 Router . . . . . . . . . . . . . . . 218
MX240 Field-Replaceable Units (FRUs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Tools and Parts Required to Replace MX240 Hardware Components . . . . . 219
Maintaining the MX240 Cooling System Component . . . . . . . . . . . . . . . . . . . . . . 221
MaintainingtheMX240AirFilter...................................221
ReplacingtheMX240AirFilter....................................221
RemovingtheMX240AirFilter.................................221
InstallingtheMX240AirFilter.................................222
MaintainingtheMX240FanTray..................................223
ReplacingtheMX240FanTray....................................225
RemovingtheMX240FanTray................................225
Installing the MX240 Normal-Capacity Fan Tray . . . . . . . . . . . . . . . . . . 226
Maintaining MX240 Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . 227
Maintaining the MX240 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Replacing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Removing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Installing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Replacing an SSD Drive on an RE-S-1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Replacing an SSD Drive on an RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . . . . 235
Replacing Connections to MX240 Routing Engine Interface Ports . . . . . . . 240
Replacing the Management Ethernet Cable on an MX240 Router . . . . 241
Replacing the Console or Auxiliary Cable on an MX240 Router . . . . . . . 241
Upgrading to the RE-S-X6-64G Routing Engine in a Redundant Host
Subsystem................................................242
RemovingtheRoutingEngine.................................243
Installing the Routing Engine RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . 245
Verifying and Configuring the Upgraded Routing Engine as the
Master................................................248
Verifying and Configuring the Upgraded Routing Engine as the
Backup ...............................................248
Upgrading to the RE-S-X6-64G Routing Engine in a Nonredundant Host
Subsystem................................................248
RemovingtheRoutingEngine.................................249
Installing the Routing Engine RE-S-X6-64G . . . . . . . . . . . . . . . . . . . . . 250
Copyright © 2019, Juniper Networks, Inc.viii
MX240 5G Universal Routing Platform Hardware Guide

Replacing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Disconnecting the Alarm Relay Wires from the MX240 Craft
Interface...............................................251
Removing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Installing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Connecting the Alarm Relay Wires to the MX240 Craft Interface . . . . . 253
Maintaining MX240 Interface Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
MaintainingMX240DPCs.......................................254
HoldinganMX240DPC.........................................256
StoringanMX240DPC..........................................258
ReplacinganMX240DPC.......................................259
RemovinganMX240DPC....................................259
InstallinganMX240DPC.....................................261
MaintainingMX240FPCs........................................264
HoldinganMX240FPC.........................................266
StoringanMX240FPC..........................................269
ReplacinganMX240FPC........................................269
RemovinganMX240FPC....................................270
InstallinganMX240FPC.....................................272
ReplacinganMX240MIC........................................274
RemovinganMX240MIC....................................275
InstallinganMX240MIC.....................................277
MaintainingMX240MICs........................................279
Installing an MX240 Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
MaintainingMX240MPCs.......................................282
ReplacinganMX240MPC.......................................284
RemovinganMX240MPC...................................284
InstallinganMX240MPC....................................286
MaintainingMX240PICs........................................288
ReplacinganMX240PIC........................................289
RemovinganMX240PIC....................................289
InstallinganMX240PIC......................................291
Maintaining Cables that Connect to MX240 DPCs, MPCs, MICs, or PICs . . . 293
Replacing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . 294
Removing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . 294
Installing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . 296
Replacing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or
PIC ......................................................298
Removing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC,
or PIC ................................................298
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or
PIC ..................................................299
ReplacinganMX240ASMLC....................................300
RemovinganMX240ASMLC.................................301
InstallinganMX240ASMLC..................................303
ReplacinganMX240ASMSC....................................304
RemovinganMX240ASMSC................................304
InstallinganMX240ASMSC.................................306
ixCopyright © 2019, Juniper Networks, Inc.
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ReplacinganMX240ASMXC....................................307
RemovinganMX240ASMXC................................308
InstallinganMX240ASMXC.................................309
Maintaining MX240 Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . 310
Maintaining the MX240 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Replacing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . . 311
Removing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . 312
Installing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . 313
Replacing an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . 314
Disconnecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . 314
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . 315
Replacing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . . . . 315
Removing an MX240 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Installing an MX240 DC Normal Capacity Power Supply . . . . . . . . . . . . 317
Replacing an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . 320
Disconnecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . 320
Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . 321
Maintaining MX240 SFP and XFP Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . 323
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,
orPIC.................................................323
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or
PIC...................................................325
Maintaining MX240 Switch Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
ReplacinganMX240SCB-MX....................................326
RemovinganMX240SCB-MX.................................327
Installing an MX240 Switch Control Board . . . . . . . . . . . . . . . . . . . . . . 328
Upgrading an MX240 to Use the SCBE-MX . . . . . . . . . . . . . . . . . . . . . . . . . 330
PreparefortheSCB-MXUpgrade..............................330
Upgrade the MX240 SCB-MX in the Backup Routing Engine . . . . . . . . . 331
Upgrade the MX240 SCB-MX in the Master Routing Engine . . . . . . . . . 333
CompletetheSCB-MXUpgrade...............................335
Upgrading an MX240 to Use the SCBE2-MX . . . . . . . . . . . . . . . . . . . . . . . . . 338
Prepare the MX240 Router for the SCBE2-MX Upgrade . . . . . . . . . . . . 339
PowerOfftheMX240Router.................................339
Remove the MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Install the MX240 Routing Engine into the SCBE2-MX . . . . . . . . . . . . . 340
PowerOntheMX240Router..................................341
Complete the SCBE2-MX Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Upgrading an MX240, MX480, or MX960 Router to Use the SCBE3-MX . . 343
UpgradetheRoutingEngine..................................343
Install the Routing Engine into the SCBE3-MX . . . . . . . . . . . . . . . . . . . 344
Install the SCBE3-MX into the Router Chassis . . . . . . . . . . . . . . . . . . . . 344
Complete the SCBE3-MX Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
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MX240 5G Universal Routing Platform Hardware Guide