Juniper M7i Installation instructions

M7i Multiservice Edge Router Hardware Guide
Modified: 2019-01-04
Copyright © 2019, Juniper Networks, Inc.

Juniper Networks, Inc.
1133 Innovation Way
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.
M7i Multiservice Edge Router Hardware Guide
Copyright © 2018 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............................................xix
DocumentationandReleaseNotes.................................xix
DocumentationConventions......................................xix
DocumentationFeedback........................................xxi
RequestingTechnicalSupport....................................xxii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
Creating a Service Request with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Part 1 Overview
Chapter 1 System Overview and Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
M7iRouterDescription................................................3
M7iComponentRedundancy..........................................4
SystemArchitectureOverview.........................................4
M7i and M10i Packet Forwarding Engine Architecture . . . . . . . . . . . . . . . . . . . . . . . 5
Packet Forwarding Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data Flow Through the Packet Forwarding Engine . . . . . . . . . . . . . . . . . . . . . . 5
RoutingEngineArchitecture...........................................6
RoutingEngineFunctions..........................................7
Chapter2 M7iRouterReleaseNotes...........................................9
Outstanding Issues with the M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Errata with the M7i Router Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 3 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
M7iChassisDescription...............................................11
M7iMidplaneDescription.............................................12
M7iCableManagementSystem........................................13
Chapter 4 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 15
M7iCoolingSystemOverview.........................................15
M7iAirflowThroughtheChassis....................................15
iiiCopyright © 2019, Juniper Networks, Inc.

Chapter 5 Host Subsystem Components and Description . . . . . . . . . . . . . . . . . . . . . . . . 17
M7iRoutingEngineDescription........................................17
Boot Sequence .................................................18
M7i Routing Engine Management Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
M7iRoutingEngineLEDs.............................................20
M7i Routing Engine RE-B-1800 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
M7iRoutingEngine1800LEDs........................................22
RoutingEngineSpecifications.........................................22
SupportedRoutingEnginesbyRouter...................................27
M7iRoutingEngines.............................................27
M10iRoutingEngines............................................28
M40eRoutingEngines...........................................28
M120RoutingEngines............................................29
M320RoutingEngines...........................................29
MX5, MX10, MX40, and MX80 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . 30
MX104RoutingEngines..........................................30
MX240RoutingEngines..........................................30
MX480RoutingEngines..........................................31
MX960RoutingEngines..........................................32
MX2008RoutingEngines.........................................33
MX2010RoutingEngines.........................................34
MX2020 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
MX10003RoutingEngines........................................35
MX10008RoutingEngines........................................35
PTX1000RoutingEngines........................................36
PTX3000RoutingEngines........................................36
PTX5000RoutingEngines........................................37
PTX10008 and PTX10016 Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . 38
T320RoutingEngines...........................................38
T640RoutingEngines...........................................38
T1600RoutingEngines...........................................39
T4000RoutingEngines..........................................40
TXMatrixRoutingEngines........................................41
TXMatrixPlusRoutingEngines....................................41
TX Matrix Plus (with 3D SIBs) Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . 42
Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
M7i Flexible PIC Concentrators (FPCs) Description . . . . . . . . . . . . . . . . . . . . . . . . 43
M7i Fixed Interface Card (FIC) Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
FICSpecificationsfortheM7iRouter...................................45
M7iFICLEDs.......................................................45
M7iPICsDescription................................................46
M7iPICLEDs.......................................................47
M7iPICsSupported.................................................47
M7iEnd-of-LifePICsSupported.......................................50
M7iPICCombinationLimitations......................................53
M7iPIC/CFEBCompatibility..........................................53
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M7i Multiservice Edge Router Hardware Guide

Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 59
M7iPowerSystemDescription........................................59
M7iACPowerSupply................................................60
M7iDCPowerSupply................................................61
M7iPowerSupplyLEDs..............................................61
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 63
M7i Compact Forwarding Engine Board (CFEB) and Enhanced Compact
Forwarding Engine Board (CFEB-E) Description . . . . . . . . . . . . . . . . . . . . . . . 63
CFEB .........................................................64
CFEB-E .......................................................65
M7iAdaptiveServicesModule.....................................67
M7iMultiServicesModule.........................................68
M7iCFEBandCFEB-ELEDs..........................................69
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview..............................................73
M7i Router Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
M7iRouterPhysicalSpecifications.....................................74
M7iRouterRackRequirements........................................75
M7i Router Clearance Requirements for Airflow and Hardware Maintenance . . . . 77
M7i Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
M7i Chassis Grounding, Connection, and Cable Specifications . . . . . . . . . . . . . . . 78
M7iRouterPowerRequirements.......................................79
Chapter 10 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 83
M7i Router AC Power, Connection, and Power Cord Specifications . . . . . . . . . . . . 83
M7i Router AC Power Supply Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 11 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 87
M7i Router DC Power Supply Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
M7i DC Power Cable and Cable Lug Specifications . . . . . . . . . . . . . . . . . . . . . . . . 88
DCPowerCables...............................................88
DCPowerLugs.................................................89
Chapter 12 Network Cable and Transceiver Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Fiber-Optic and Network Cable Specifications for the M7i Router . . . . . . . . . . . . . 91
Attenuation and Dispersion in Fiber-Optic Cable on M Series, MX Series, and T
SeriesRouters..................................................91
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable for the M7i
Router ........................................................92
Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T
SeriesRouters..................................................93
Calculating Power Margin for Fiber-Optic Cable for M Series, MX Series, and T
SeriesRouters..................................................94
Chapter 13 Management Cable and Transceiver Specifications and Pinouts . . . . . . . . 97
Routing Engine Interface Cable and Wire Specifications for the M7i Router . . . . . 97
RJ-45 Connector Pinouts for the M7i Routing Engine MGMT Port . . . . . . . . . . . . . 98
vCopyright © 2019, Juniper Networks, Inc.
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DB-9 Connector Pinouts for the M7i Routing Engine AUX/MODEM and CONSOLE
Ports .........................................................98
Part 3 Initial Installation and Configuration
Chapter14 InstallationOverview.............................................103
OverviewofM7iRouterInstallation....................................103
Chapter15 UnpackingtheM7i................................................105
Tools and Parts Required to Unpack the M7i Router . . . . . . . . . . . . . . . . . . . . . . . 105
UnpackingtheM7iRouter...........................................105
Verifying the M7i Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Chapter16 InstallingtheM7iintoaRack......................................109
Tools and Parts Required to Install the M7i Router Into a Rack . . . . . . . . . . . . . . 109
Installing the M7i Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
MovingtheMountingBrackets........................................110
Installing the M7i Router Into the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Chapter17 ConnectingtheM7itoGround......................................113
Connecting the Grounding Cable to the M7i Router . . . . . . . . . . . . . . . . . . . . . . . . 113
Chapter 18 Connecting the M7i to External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Tools and Parts Required for M7i Router Connections . . . . . . . . . . . . . . . . . . . . . . 115
Connecting the M7i Router to Management and Alarm Devices . . . . . . . . . . . . . . 115
Connecting the M7i Router to a Network for Out-of-Band Management . . . 116
Connecting the M7i Router to a Management Console or Auxiliary
Device ....................................................116
Connecting the M7i Router to a Network for Out-of-Band Management . . . . . . . 118
Connecting the M7i Router to a Management Console or Auxiliary Device . . . . . . 119
Connecting FIC and PIC Cables to the M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . 120
Chapter19 ProvidingPowertotheM7i.........................................123
Connecting Power to an AC-Powered M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . 123
Connecting Power to a DC-Powered Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
PoweringOntheM7iRouter..........................................125
PoweringOfftheM7iRouter.........................................126
Chapter 20 Configuring the Junos Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
InitiallyConfiguringtheM7iRouter.....................................129
Part 4 Installing and Replacing Components
Chapter 21 Overview of Installing and Replacing Components . . . . . . . . . . . . . . . . . . . 135
M7iField-ReplaceableUnits(FRUs)...................................135
Tools and Parts Required to Replace M Series Hardware Components . . . . . . . . 136
Chapter 22 Replacing Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
ReplacingtheM7iFanTray...........................................137
RemovingtheM7iFanTray.......................................137
InstallingtheM7iFanTray........................................138
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M7i Multiservice Edge Router Hardware Guide

Chapter 23 Replacing Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
ReplacingtheM7iRoutingEngine......................................141
RemovinganM7iRoutingEngine...................................141
Installing the Routing Engine in a M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . 142
Replacing the SSD on an RE-B-1800 Routing Engine . . . . . . . . . . . . . . . . . . . . . . 143
Replacing the Routing Engine Interface Port Cables . . . . . . . . . . . . . . . . . . . . . . . 144
Replacing the Management Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 145
Replacing the Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Replacing the Management Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Replacing the PC Card Adapter Flash Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Replacing the Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Removing and Inserting the CompactFlash Card . . . . . . . . . . . . . . . . . . . . . . . . . 149
Removing the CompactFlash Card from a Routing Engine . . . . . . . . . . . . . . 149
InsertingtheCompactFlashCard..................................150
Configuring the CompactFlash Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
ConfiguringtheCompactFlashCard...................................152
Removing and Inserting SDRAM Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
RemovinganSDRAMModule.....................................153
InsertinganSDRAMModule......................................154
RemovingandInsertingthePCCard...................................155
RemovingthePCCard..........................................156
Replacing the PC Card Adapter Flash Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
InsertingthePCCard............................................157
Chapter 24 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
ReplacinganM7iPIC...............................................159
RemovinganM7iPIC............................................159
InstallinganM7iPIC.............................................161
ReplacinganM7iFICorPICCable.....................................163
RemovinganM7iFICorPICCable.................................163
InstallinganM7iFICorPICCable..................................164
ReplacinganSFPonanM7iRouter....................................166
Removing an SFP from an M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Installing an SFP into an M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Chapter 25 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
ReplacingaDCPowerSupply.........................................171
RemovingaDCPowerSupply.....................................171
InstallingaDCPowerSupply......................................173
ReplacinganM7iDCPowerCable.....................................175
RemovinganM7IDCPowerCable.................................175
InstallinganM7iDCPowerCable..................................176
ReplacinganM7iACPowerSupply....................................177
RemovinganM7iACPowerSupply.................................177
InstallinganM7iACPowerSupply.................................179
ReplacinganM7iACPowerCord......................................181
RemovinganM7iACPowerCord...................................181
InstallinganM7iACPowerCord...................................181
viiCopyright © 2019, Juniper Networks, Inc.
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Chapter 26 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Replacing, Upgrading, and Downgrading the M7i CFEB and CFEB-E . . . . . . . . . . 183
RemovingtheM7iCFEBandCFEB-E...............................183
Installing the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Upgrading and Downgrading the CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . 185
Part 5 Maintaining the Chassis and Components
Chapter 27 Routine Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Routine Maintenance Procedures for the M7i Router . . . . . . . . . . . . . . . . . . . . . . 189
Chapter28 MaintainingComponents..........................................191
MaintainingtheM7iCoolingSystem....................................191
MaintainingtheM7iRoutingEngine....................................192
Maintaining the M7i FIC and FIC Cables and PICs and PIC Cables . . . . . . . . . . . . 192
MaintainingtheM7iPowerSupplies...................................194
Maintaining the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Part 6 Troubleshooting Hardware
Chapter 29 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Overview of Troubleshooting Resources for the M7i Router . . . . . . . . . . . . . . . . . 199
LEDsontheFIC................................................199
LEDsonHardwareComponents..................................200
Hardware and Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
TroubleshootingtheM7iFanTray.....................................204
TroubleshootingtheM7iFICorPICs...................................205
Troubleshooting the M7i Power System When the LEDs on All M7i Power Supplies
AreBlinkingorOff..............................................206
Troubleshooting the M7i Power System When the LED on One M7i Power Supply
IsOff........................................................206
Troubleshooting the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter30 ContactingCustomerSupport......................................211
ContactingCustomerSupport........................................211
Chapter 31 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Displaying M7i Router Components and Serial Numbers . . . . . . . . . . . . . . . . . . . 213
Routing Engine Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
PICSerialNumberIDLabel..........................................214
PowerSupplySerialNumberIDLabel..................................215
CFEB and CFEB-E Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Chapter 32 Packing and Returning Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . . 217
Tools and Parts Required to Remove Components from an M7i Router . . . . . . . 218
PackingtheM7iRouterforShipment..................................218
Guidelines for Packing M7i Components for Shipment . . . . . . . . . . . . . . . . . . . . 220
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M7i Multiservice Edge Router Hardware Guide

Part 8 Safety and Compliance Information
Chapter 33 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
DefinitionofSafetyWarningLevels....................................223
General Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . 225
General Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . . 226
QualifiedPersonnelWarning.....................................226
Restricted-AccessAreaWarning..................................226
InCaseofanElectricalAccident......................................228
Preventing Electrostatic Discharge Damage to an M7i Router . . . . . . . . . . . . . . . 228
Chapter34 FireSafetyRequirements..........................................231
Fire Safety Requirements for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . . 231
GeneralFireSafetyRequirements..................................231
FireSuppression................................................231
FireSuppressionEquipment......................................231
Chapter 35 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 233
M7iChassisLiftingGuidelines........................................233
Installation Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . 233
IntrabuildingPortsWarning......................................234
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Rack-Mounting Requirements and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 234
Ramp Warning ................................................238
Chapter 36 Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . 239
General Laser Safety Guidelines for the M7i Router . . . . . . . . . . . . . . . . . . . . . . . 239
M7iLaserandLEDSafetyWarnings...................................239
Class1LaserProductWarning....................................240
Class1LEDProductWarning.....................................240
LaserBeamWarning...........................................240
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . 241
Chapter 37 Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . 243
Maintenance and Operational Safety Warnings for Juniper Networks Devices . . 243
BatteryHandlingWarning.......................................243
JewelryRemovalWarning.......................................244
LightningActivityWarning.......................................245
OperatingTemperatureWarning..................................246
ProductDisposalWarning.......................................247
Chapter 38 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Preventing Electrostatic Discharge Damage to an M7i Router . . . . . . . . . . . . . . . 249
General Electrical Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . 250
GroundedEquipmentWarning...................................250
Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
MidplaneEnergyHazardWarning.................................252
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . 252
PowerDisconnectionWarning....................................253
General Electrical Safety Guidelines and Electrical Codes for M Series, MX Series,
andTSeriesRouters............................................254
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M7i AC Power Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . 254
M7i DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
DC Power Electrical Safety Warnings for Juniper Networks Devices . . . . . . . . . . 256
DC Power Copper Conductors Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
DCPowerDisconnectionWarning.................................257
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Site Electrical Wiring Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . 259
Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
RadioFrequencyInterference....................................260
Electromagnetic Compatibility ...................................260
Chapter 39 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 261
AgencyApprovalsforM7iRouters.....................................261
Compliance Statements for EMC Requirements for the M7i Router (European
Community) ..................................................262
Compliance Statements for EMC Requirements for Juniper Networks Devices
(Canada).....................................................262
Compliance Statements for EMC Requirements for Juniper Networks Devices
(Israel).......................................................263
Compliance Statements for EMC Requirements for Juniper Networks Devices
(Japan) ......................................................263
Compliance Statements for EMC Requirements for Juniper Networks Devices
(UnitedStates)................................................263
Compliance Statements for Environmental Requirements . . . . . . . . . . . . . . . . . 264
Compliance Statements for NEBS for the M7i Router . . . . . . . . . . . . . . . . . . . . . 264
Compliance Statements for Acoustic Noise for the M7i Router . . . . . . . . . . . . . . 264
Statements of Volatility for Juniper Network Devices . . . . . . . . . . . . . . . . . . . . . 265
Copyright © 2019, Juniper Networks, Inc.x
M7i Multiservice Edge Router Hardware Guide

List of Figures
Part 1 Overview
Chapter 1 System Overview and Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure1:SystemArchitecture...........................................4
Figure 2: Packet Forwarding Engine Components and Data Flow . . . . . . . . . . . . . . 6
Figure3:RoutingEngineArchitecture....................................7
Figure 4: Control Packet Handling for Routing and Forwarding Table
Updates........................................................8
Chapter 3 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure5:FrontofChassis..............................................11
Figure6:RearofChassis..............................................12
Figure7:Midplane...................................................13
Chapter 4 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure8:FanTray...................................................15
Figure9:AirflowThroughtheChassis...................................16
Chapter 5 Host Subsystem Components and Description . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure10:RoutingEngine.............................................18
Figure 11: Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure12:RoutingEngineRE-B-1800...................................20
Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure13:FPCSlotNumbering........................................43
Figure 14: FIC with Fast Ethernet Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 15: FIC with Gigabit Ethernet Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure16:ACPowerSupply...........................................60
Figure17:DCPowerSupply............................................61
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure18:CFEB.....................................................65
Figure 19: CFEB with Adaptive Services Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure20:CFEB-E...................................................67
Figure 21: CFEB-E with Adaptive Services Module . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 22: CFEB-E with MultiServices Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview..............................................73
Figure23:TypicalOpen-FrameRack....................................76
xiCopyright © 2019, Juniper Networks, Inc.

Figure 24: Chassis Dimensions and Clearance Requirements . . . . . . . . . . . . . . . . 77
Figure 25: Grounding Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Chapter 10 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure26:ACPlugTypes.............................................84
Chapter 11 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 27: DC Power Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Part 3 Initial Installation and Configuration
Chapter15 UnpackingtheM7i................................................105
Figure28:UnpackingtheRouter......................................106
Chapter16 InstallingtheM7iintoaRack......................................109
Figure 29: Installing the Cable Management System . . . . . . . . . . . . . . . . . . . . . . 110
Figure30:InstallingtheRouter........................................112
Chapter 18 Connecting the M7i to External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Figure 31: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 116
Figure 32: Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Figure 33: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . . 117
Figure 34: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 118
Figure 35: Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Figure 36: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . 120
Figure 37: Attaching the Cable to a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Chapter19 ProvidingPowertotheM7i.........................................123
Figure 38: Connecting DC PowerCables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Part 4 Installing and Replacing Components
Chapter 22 Replacing Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Figure39:RemovingtheFanTray.....................................138
Figure40:InstallingtheFanTray......................................139
Chapter 23 Replacing Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 41: Removing the Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Figure 42: Installing the Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 43: RE-B-1800 Storage Drive Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 44: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 145
Figure 45: Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 46: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . 146
Figure 47: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 147
Figure 48: Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 49: Inserting the PC Card Flash Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 50: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . 148
Figure 51: Removing the CompactFlash Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 52: Inserting the CompactFlash Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 53: Installing the SDRAM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure54:RemovingthePCCard......................................156
Figure 55: Inserting the PC Card Flash Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
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Figure56:InsertingthePCCard.......................................158
Chapter 24 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure57:RemovingaPIC............................................161
Figure58:InstallingaPIC............................................162
Figure 59: Connecting Fiber-Optic Cable to a PIC . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 60: Small Form-Factor Pluggable (SFP) . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 61: Small Form-Factor Pluggable (SFP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Chapter 25 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 62: Removing a DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Figure 63: Installing a DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Figure 64: Connecting DC Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 65: Removing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Figure 66: Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Chapter 26 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Figure 67: Removing the CFEB or CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Figure 68: Installing a CFEB or CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 31 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure69:SerialNumberIDLabel .....................................214
Figure 70: PIC Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Figure 71: Power Supply Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Figure 72: CFEB or CBEF-E Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . 216
Part 8 Safety and Compliance Information
Chapter 33 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Figure 73: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . . 229
Chapter 38 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Figure 74: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . 250
xiiiCopyright © 2019, Juniper Networks, Inc.
List of Figures

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List of Tables
AbouttheDocumentation.........................................xix
Table1:NoticeIcons.................................................xx
Table2:TextandSyntaxConventions...................................xx
Part 1 Overview
Chapter 5 Host Subsystem Components and Description . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 3: States for Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 4: States for RE-B-1800 Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . 22
Table 5: Routing Engine Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 6: End-of-Life Routing Engine Specifications . . . . . . . . . . . . . . . . . . . . . . . . 25
Table7:M7iRoutingEngines..........................................28
Table8:M10iRoutingEngines.........................................28
Table9:M40eRoutingEngines........................................28
Table10:M120RoutingEngines.......................................29
Table11:M320RoutingEngines........................................29
Table 12: MX5, MX10, MX40, and MX80 Routing Engine . . . . . . . . . . . . . . . . . . . . 30
Table13:MX104RoutingEngines......................................30
Table 14: MX240 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 15: MX480 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 16: MX960 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 17: MX2008 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 18: MX2010 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 19: MX2020 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 20: MX10003 Supported Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table21:MX10008RoutingEngines....................................36
Table22:PTX1000RoutingEngines....................................36
Table23:PTX3000RoutingEngines...................................36
Table24:PTX5000RoutingEngines....................................37
Table 25: PTX10008 and PTX10016 Routing Engines . . . . . . . . . . . . . . . . . . . . . . 38
Table26:T320RoutingEngines.......................................38
Table27:T640RoutingEngines.......................................39
Table28:T1600RoutingEngines......................................39
Table29:T4000RoutingEngines.....................................40
Table30:TXMatrixRoutingEngines....................................41
Table 31: TX Matrix Plus Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 32: Routing Engines on TX Matrix Plus with 3D SIBs . . . . . . . . . . . . . . . . . . 42
Chapter 6 Line Card Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table33:FICSpecifications...........................................45
Table34:AlarmLEDs................................................46
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Table35:FICInterfaceLEDs..........................................46
Table 36: PICs Supported in the M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 37: End-of-Life PICs Supported in the M7i Router . . . . . . . . . . . . . . . . . . . . 50
Table 38: CFEB/PIC Compatibility in the M7i Router . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 39: States for the M7i Power Supply LED . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 40: States for CFEB or CFEB-E LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Part 2 Site Planning, Preparation, and Specifications
Chapter9 PreparationOverview..............................................73
Table41:SitePreparationChecklist.....................................73
Table 42: Chassis Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Table 43: Rack Requirements and Specifications for an M7i Router . . . . . . . . . . . 75
Table 44: Router Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Table 45: Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 46: M7i Component Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Chapter 10 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 47: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Table 48: Electrical Specifications for AC Power Supply . . . . . . . . . . . . . . . . . . . . 85
Chapter 11 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Table 49: Electrical Specifications for DC Power Supply . . . . . . . . . . . . . . . . . . . . 87
Table 50: DC Power Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Chapter 12 Network Cable and Transceiver Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Table 51: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 94
Chapter 13 Management Cable and Transceiver Specifications and Pinouts . . . . . . . . 97
Table 52: Cable Specifications for Routing Engine Management Ports . . . . . . . . . 97
Table53:RJ-45ConnectorPinout.....................................98
Table54:DB-9ConnectorPinout......................................99
Part 3 Initial Installation and Configuration
Chapter15 UnpackingtheM7i................................................105
Table 55: Generic Inventory of Router Components Installed in the M7i
Chassis.......................................................107
Table56:AccessoryBoxPartsList.....................................107
Part 4 Installing and Replacing Components
Chapter 21 Overview of Installing and Replacing Components . . . . . . . . . . . . . . . . . . . 135
Table57:Field-ReplaceableUnits.....................................135
Table58:ToolsandPartsRequired....................................136
Part 6 Troubleshooting Hardware
Chapter 29 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
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Table59:ChassisAlarmMessages....................................200
Table 60: SONET/SDH Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . 203
xviiCopyright © 2019, Juniper Networks, Inc.
List of Tables

Copyright © 2019, Juniper Networks, Inc.xviii
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About the Documentation
•Documentation and Release Notes on page xix
•Documentation Conventions on page xix
•Documentation Feedback on page xxi
•Requesting Technical Support on page xxii
Documentation and Release Notes
To obtain the most current version of all Juniper Networks®technical documentation,
see the product documentation page on the Juniper Networks website at
https://www.juniper.net/documentation/.
If the information in the latest release notes differs from the information in the
documentation, follow the product Release Notes.
Juniper Networks Books publishes books by Juniper Networks engineers and subject
matter experts. These books go beyond the technical documentation to explore the
nuances of network architecture, deployment, and administration. The current list can
be viewed at https://www.juniper.net/books.
Documentation Conventions
Table 1 on page xx defines notice icons used in this guide.
xixCopyright © 2019, Juniper Networks, Inc.

Table 1: Notice Icons
DescriptionMeaningIcon
Indicates important features or instructions.Informational note
Indicates a situation that might result in loss of data or hardware damage.Caution
Alerts you to the risk of personal injury or death.Warning
Alerts you to the risk of personal injury from a laser.Laser warning
Indicates helpful information.Tip
Alerts you to a recommended use or implementation.Best practice
Table 2 on page xx defines the text and syntax conventions used in this guide.
Table 2: Text and Syntax Conventions
ExamplesDescriptionConvention
To enter configuration mode, type the
configure command:
user@host> configure
Represents text that you type.Bold text like this
user@host> show chassis alarms
No alarms currently active
Represents output that appears on the
terminal screen.
Fixed-width text like this
•A policy term is a named structure
that defines match conditions and
actions.
•Junos OS CLI User Guide
•RFC 1997, BGP Communities Attribute
•Introduces or emphasizes important
new terms.
•Identifies guide names.
•Identifies RFC and Internet draft titles.
Italic text like this
Configure the machine’s domain name:
[edit]
root@# set system domain-name
domain-name
Represents variables (options for which
you substitute a value) in commands or
configuration statements.
Italic text like this
Copyright © 2019, Juniper Networks, Inc.xx
M7i Multiservice Edge Router Hardware Guide