Juniper QFX5100 Installation instructions

QFX5100 Switch Hardware Guide
Modified: 2017-02-13
Copyright © 2017, Juniper Networks, Inc.

Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2017, Juniper Networks, Inc. All rights reserved.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
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Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify,
transfer, or otherwise revise this publication without notice.
QFX5100 Switch 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.html. 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............................................xv
DocumentationandReleaseNotes.................................xv
Documentation Conventions ......................................xv
DocumentationFeedback........................................xvii
RequestingTechnicalSupport....................................xviii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
OpeningaCasewithJTAC....................................xviii
Part 1 Overview
Chapter1 SystemOverview...................................................3
QFX5100DeviceHardwareOverview....................................3
QFX5100Hardware...............................................3
SystemSoftware................................................10
QFX5100DeviceModels.............................................10
Understanding Hardware Redundancy of QFX5100 Device Components and
Functionality ...................................................12
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chassis Physical Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . 15
PortPanelofaQFX5100-24QDevice...................................16
SwitchPorts....................................................17
QFabricSystems................................................17
Channelizing Interfaces (Non-QFabric) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Virtual Chassis and Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PortLEDs......................................................19
Port Panel of a QFX5100-24Q-AA Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
PortPanelofaQFX5100-48SDevice...................................21
PortPanelofaQFX5100-48TDevice...................................23
PortPanelofaQFX5100-96SDevice...................................25
SwitchPorts...................................................26
Channelizing Interfaces ..........................................26
Virtual Chassis and Virtual Chassis Fabric Support . . . . . . . . . . . . . . . . . . . . . 27
Field-Replaceable Units in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Access Port and Uplink Port LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . 29
Management Panel of a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Management Port LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chassis Status LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Expansion Modules for QFX5100 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
EX4600-EM-8F ................................................40
QFX-EM-4Q....................................................41
iiiCopyright © 2017, Juniper Networks, Inc.

QFX-PFA-4Q...................................................42
Chapter3 CoolingSystemandAirflow........................................45
Cooling System and Airflow in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . 45
FanModules...................................................45
Do Not Install Components with Different Airflow or Wattage in the
Switch ....................................................49
FanModuleStatus..............................................50
FanModuleLEDonaQFX5100Device..................................51
Chapter4 PowerSupplies...................................................53
ACPowerSupplyforaQFX5100Device.................................53
DCPowerSupplyinaQFX5100Device..................................55
AC Power Supply LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
DC Power Supply LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Part 2 Site Planning, Preparation, and Specifications
Chapter5 Preparation Overview .............................................63
Site Preparation Checklist for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Environmental Requirements and Specifications for a QFX5100 Device . . . . . . . 64
GeneralSiteGuidelines..............................................66
SiteElectricalWiringGuidelines.......................................66
Planning a Virtual Chassis Fabric Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Rack Requirements for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Cabinet Requirements for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100
Device.........................................................71
Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
AC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
AC Power Cord Specifications for a QFX Series Device . . . . . . . . . . . . . . . . . . . . . 74
DC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Grounding Cable and Lug Specifications for a QFX5100 Device . . . . . . . . . . . . . . 76
Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Determining Interface Support for the QFX5100 Device . . . . . . . . . . . . . . . . . . . . 79
Cable Specifications for QSFP+ and QSFP28 Transceivers . . . . . . . . . . . . . . . . . . 82
Cable Specifications for Console and Management Connections for the QFX
Series.........................................................83
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion .....................................................84
Signal Loss in Multimode and Single-Mode Fiber-Optic Cables . . . . . . . . . . 84
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 85
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 86
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 86
Copper Cable Specifications for QFX5100-48T Switches . . . . . . . . . . . . . . . . . . . 88
Chapter8 PinoutSpecifications..............................................91
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Copyright © 2017, Juniper Networks, Inc.iv
QFX5100 Switch Hardware Guide

RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . 93
Part 3 Initial Installation and Configuration
Chapter 9 Unpacking and Mounting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Installing and Connecting a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
UnpackingaQFX5100Device.........................................98
Mounting a QFX5100 Device in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . 99
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Four-PostProcedure............................................101
Two-PostProcedure............................................104
Virtual Chassis Fabric Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Chapter 10 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Connecting Earth Ground to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Connecting AC Power to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Connecting DC Power to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Chapter 11 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . . 119
Connecting a Device to a Management Console by Using an RJ-45
Connector ....................................................120
Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . . 121
BeforeYouStart................................................121
ValidConfigurations.............................................122
Cabling QFX3500 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 123
Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 124
Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Connecting a QFX5100 Device in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . 127
Chapter 12 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
ConfiguringaQFX5100Device........................................129
Part 4 Installing, Maintaining, and Replacing Components
Chapter 13 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Installing a Fan Module in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Removing a Fan Module from a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . 134
Chapter14 ReplacingPowerSupply...........................................137
Installing and Removing QFX5100 Device Hardware Components . . . . . . . . . . . 137
Installing a Power Supply in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Removing a Power Supply from a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . 140
Chapter15 ReplacingExpansionModule......................................143
Installing an Expansion Module in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . 143
Removing an Expansion Module from a QFX5100 Device . . . . . . . . . . . . . . . . . . 146
Chapter 16 Replacing Transceivers and Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 149
InstallingaTransceiver..............................................149
RemovingaTransceiver..............................................151
ConnectingaFiber-OpticCable.......................................154
vCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . . 155
MaintainingFiber-OpticCables.......................................155
Chapter17 RemovingtheSwitch.............................................157
PoweringOffaQFX5100Device......................................157
Adding or Replacing a Node Device in a QFabric Node Group . . . . . . . . . . . . . . . 159
BeforeYouBegin...............................................160
Powering Off an Existing QFabric Node Device . . . . . . . . . . . . . . . . . . . . . . . . 161
Adding a New Node Device to a Node Group in a QFabric System . . . . . . . . 163
Removing a QFX5100 Device from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 165
Chapter 18 Contacting Customer Support and Returning the Chassis or
Components.....................................................167
Returning a QFX5100 Device or Component for Repair or Replacement . . . . . . . 167
Locating the Serial Number on a QFX5100 Device or Component . . . . . . . . . . . 168
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 168
Locating the Chassis Serial Number ID Label on a QFX5100 Switch . . . . . . 169
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . . 170
Packing a QFX5100 Device or Component for Shipping . . . . . . . . . . . . . . . . . . . . 170
Packing a QFX5100 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Packing QFX5100 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 171
Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 172
Part 5 Troubleshooting
Chapter19 AlarmMessages..................................................177
Understanding Alarms ..............................................177
InterfaceAlarmMessages...........................................178
Chassis Alarm Messages on QFX5100, QFX5110, and QFX5200 Switches . . . . . 179
Chapter20 RestoringJunosOS...............................................183
CreatinganEmergencyBootDevice...................................183
Performing a Recovery Installation Using an Emergency Boot Device . . . . . . . . . 185
Chapter 21 Safety and Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
QualifiedPersonnelWarning.....................................190
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . 191
FireSafetyRequirements............................................191
FireSafetyRequirements.........................................191
Installation and Maintenance Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . 192
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Chassis Lifting Guidelines for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . 193
RestrictedAccessWarning.......................................194
RampWarning.................................................195
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . 196
GroundedEquipmentWarning....................................199
Copyright © 2017, Juniper Networks, Inc.vi
QFX5100 Switch Hardware Guide

RadiationandLaserWarnings.......................................200
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . 200
Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . 201
Class1MLaserProductWarning...............................201
Class 1M Laser Radiation Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . 202
Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . 204
BatteryHandlingWarning....................................204
JewelryRemovalWarning....................................205
LightningActivityWarning...................................206
OperatingTemperatureWarning...............................207
ProductDisposalWarning...................................208
Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . 209
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . 210
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
ACPowerDisconnectionWarning..................................213
DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . 214
DCPowerDisconnectionWarning.................................216
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . 217
DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . 221
TNPowerWarning.............................................222
Chapter 22 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . 223
AgencyApprovalsfortheQFXSeries..................................223
Compliance Statements for EMC Requirements for the QFX Series . . . . . . . . . . 224
Canada ......................................................224
EuropeanCommunity...........................................225
Israel ........................................................225
Japan........................................................225
Korea ........................................................225
United States .................................................226
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
viiCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Copyright © 2017, Juniper Networks, Inc.viii
QFX5100 Switch Hardware Guide

List of Figures
Part 1 Overview
Chapter1 SystemOverview...................................................3
Figure1:QFX5100-48SPortPanel......................................4
Figure2:QFX5100-48TPortPanel......................................5
Figure3:QFX5100-24QPortPanel......................................6
Figure 4: QFX-EM-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5: EX4600-EM-8F Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 6: QFX5100-24Q-AA Port Panel with QFX-PFA-4Q . . . . . . . . . . . . . . . . . . . 8
Figure 7: QFX-PFA-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure8:QFX5100-96SPortPanel......................................9
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 9: QFX5100-24Q Device Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 10: LEDs on the QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 11: Port Panel of a QFX5100-24Q-AA Switch . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 12: QFX5100-48S Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 13: QFX5100-48T Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 14: QFX5100-96S Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 15: QFX5100 Switch, FRU End 1 U Product SKUs . . . . . . . . . . . . . . . . . . . . . 32
Figure16:QFX5100-96S,FRUEnd.....................................33
Figure 17: Management Panel Components on 1 U QFX5100 . . . . . . . . . . . . . . . . . 33
Figure 18: Management Panel Components on the QFX5100-96S . . . . . . . . . . . . 34
Figure 19: Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 36
Figure 20: Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . 37
Figure 21: EX4600-EM-8F Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 22: QFX-EM-4Q Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 23: QFX-PFA-4Q Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Chapter3 CoolingSystemandAirflow........................................45
Figure 24: 1 U Fan Module Used in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . 46
Figure 25: 2 U Fan Module Used in QFX5100-96S Switches . . . . . . . . . . . . . . . . . 46
Figure 26: Air In Airflow Through 1 U QFX5100 Switch Chassis . . . . . . . . . . . . . . . 48
Figure 27: Air In Airflow Through 2 U QFX5100 Switch Chassis . . . . . . . . . . . . . . . 48
Figure 28: Air Out Airflow Through 1 U QFX5100 Switch Chassis . . . . . . . . . . . . . . 49
Figure 29: Air Out Airflow Through 2 U QFX5100 Switch Chassis . . . . . . . . . . . . . 49
Figure 30: Fan Module LED in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Chapter4 PowerSupplies...................................................53
Figure 31: 1 U AC Power Supply in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . 54
Figure 32: 2 U AC Power Supply in a QFX5100-96S Switch . . . . . . . . . . . . . . . . . . 54
Figure 33: Power Supply Handle Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
ixCopyright © 2017, Juniper Networks, Inc.

Figure 34: DC Power Supply in QFX5100 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 35: DC Power Supply for QFX5100-96S Devices . . . . . . . . . . . . . . . . . . . . . 56
Figure 36: DC Power Supply Faceplate in QFX5100 Devices . . . . . . . . . . . . . . . . . 57
Figure 37: AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 58
Figure 38: DC Power Supply Faceplate on a QFX5100 Switch . . . . . . . . . . . . . . . . 59
Part 2 Site Planning, Preparation, and Specifications
Chapter5 Preparation Overview .............................................63
Figure 39: Clearance Requirements for Airflow and Hardware Maintenance for
aQFX5100Device...............................................72
Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 40: Port Panel QFX5100-96S Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 41: Port Panel QFX5100-48S Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 42: Port Panel QFX5100-48T Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 43: Port Panel QFX5100-24Q Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 44: Port Panel QFX5100-24Q-AA Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 45: Port Panel QFX5100-24Q-AA Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Part 3 Initial Installation and Configuration
Chapter 9 Unpacking and Mounting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 46: Attaching Mounting Rails to the QFX5100-24Q . . . . . . . . . . . . . . . . . 102
Figure 47: Attaching Mounting Rails to the QFX5100-48S . . . . . . . . . . . . . . . . . . 102
Figure 48: Attaching Mounting Rails to the QFX5100-96S . . . . . . . . . . . . . . . . . 102
Figure49:Attach1USwitchtoRack...................................103
Figure 50: Slide Mounting Rail onto the QFX5100-96S Rear Mounting Blade . . 103
Figure 51: Slide Mounting Blade into 1 U Mounting Rail . . . . . . . . . . . . . . . . . . . . . 104
Figure 52: Attaching a Two-Post Mounting Bracket to QFX5100-96S . . . . . . . . 104
Figure 53: Mounting the Switch on Two Posts in a Rack . . . . . . . . . . . . . . . . . . . . 105
Chapter 10 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 54: Connecting a Grounding Cable to a 1 U QFX5100 Device . . . . . . . . . . . 111
Figure 55: Connecting a Grounding Cable to the 2 U QFX5100-96S Device . . . . . 111
Figure 56: Connecting an AC Power Cord to an AC Power Supply in a 1 U QFX5100
Device ........................................................113
Figure 57: Connecting an AC Power Cord to an AC Power Supply in a 2 U QFX5100
Device ........................................................113
Figure 58: DC Power Supply Faceplate for a QFX5100 Device . . . . . . . . . . . . . . . . 117
Figure 59: Securing Ring Lugs to the Terminals on the QFX5100 DC Power
Supply ........................................................117
Chapter 11 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 60: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 61: Connecting a Device to a Network for Out-of-Band Management . . . 120
Figure 62: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . 120
Figure 63: Connecting a Device to a Management Console Through a Console
Server ........................................................121
Figure 64: Connecting a Device Directly to a Management Console . . . . . . . . . . . 121
Figure 65: QFX3500 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 123
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Figure 66: QFX3500 Using the 10G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 124
Figure 67: QFX3600 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 125
Figure 68: QFX3500 and QFX3600 Mixed Using the 40G Ports as the VCPs . . . 125
Figure 69: QFX3500 and QFX3600 Mixed Using Both 40G Ports and 10G Ports
astheVCPs...................................................126
Figure 70: QFX5100 Master Connecting QFX3600 and QFX3500 Using 40G
PortsasVCPs..................................................126
Figure 71: Two Spine Virtual Chassis Fabric with Six Leaf Devices . . . . . . . . . . . . 128
Part 4 Installing, Maintaining, and Replacing Components
Chapter 13 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Figure 72: Installing a Fan Module in a 1 U QFX5100 Device . . . . . . . . . . . . . . . . . 134
Figure 73: Installing a Fan Module in a 2 U QFX5100-96S Device . . . . . . . . . . . . 134
Figure 74: Removing a Fan Module from a 1 U QFX5100 Device . . . . . . . . . . . . . . 135
Figure 75: Removing a Fan Module from a 2 U QFX5100-96S Device . . . . . . . . . 136
Chapter14 ReplacingPowerSupply...........................................137
Figure 76: Installing a Power Supply in a 1 U QFX5100 Device . . . . . . . . . . . . . . . 139
Figure 77: Installing a Power Supply in a QFX5100-96S Device . . . . . . . . . . . . . . 139
Figure 78: Removing a Power Supply from a 1 U QFX5100 Device . . . . . . . . . . . . 141
Figure 79: Removing a Power Supply from a QFX5100-96S Device . . . . . . . . . . . 141
Chapter15 ReplacingExpansionModule......................................143
Figure 80: QFX-EM-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 81: EX4600-EM-8S Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 82: QFX-PFA-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 83: Installing a QFX-EM-4Q Expansion Module in a QFX5100-24Q
Device........................................................145
Figure 84: Installing a QFX-PFA-4Q Expansion Module in a QFX5100-24Q-AA
Device........................................................145
Figure 85: Removing a QFX-EM-4Q Expansion Module from a QFX5100-24Q
Device .......................................................148
Figure 86: Removing a QFX-PFA-4Q Expansion Module from a QFX5100-24Q-AA
Device .......................................................148
Chapter 16 Replacing Transceivers and Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 149
Figure87:InstallingaTransceiver......................................151
Figure 88: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver . . . . . . . . . . . . 153
Figure 89: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed
inaDevice....................................................154
Chapter 18 Contacting Customer Support and Returning the Chassis or
Components.....................................................167
Figure 90: Location of the Serial Number ID Label on a QFX5100-96S Switch . . 169
Figure 91: Location of the Serial Number ID Label on a QFX5100-48S Switch . . 169
Figure 92: Location of the Serial Number ID Label on a QFX5100-48T Switch . . 170
Figure 93: Location of the Serial Number ID Label on a QFX5100-24Q Switch . . 170
xiCopyright © 2017, Juniper Networks, Inc.
List of Figures

Part 5 Troubleshooting
Chapter 21 Safety and Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Figure 94: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . . 211
Copyright © 2017, Juniper Networks, Inc.xii
QFX5100 Switch Hardware Guide

List of Tables
AbouttheDocumentation..........................................xv
Table1:NoticeIcons.................................................xvi
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Part 1 Overview
Chapter1 SystemOverview...................................................3
Table 3: QFX5100 Switch Product Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 4: Physical Specifications for the QFX5100 Switch Chassis . . . . . . . . . . . . . 15
Table 5: Port LEDs on a QFX5100-24Q Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table6:FRUsinaQFX5100Switch....................................28
Table 7: QFX5100 Access Port and Uplink LED Locations . . . . . . . . . . . . . . . . . . . 30
Table 8: Network Port LEDs on SFP+ Ports on a QFX5100 Switch . . . . . . . . . . . . . 31
Table 9: Network Port LEDs on QSFP+ Ports on a QFX5100 Switch . . . . . . . . . . . 32
Table 10: Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 37
Table 11: Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . 38
Table12:EX4600-EM-8FStatusLED...................................41
Table 13: Expansion Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 14: QFX-PFA-4Q Status and FPGA LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Chapter3 CoolingSystemandAirflow........................................45
Table 15: Fan Modules in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Table16:FanModuleLED............................................50
Table 17: Fan Tray LED in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Chapter4 PowerSupplies...................................................53
Table 18: Airflow Direction in QFX5100 AC Power Supplies . . . . . . . . . . . . . . . . . . 55
Table 19: AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 58
Table 20: DC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 59
Part 2 Site Planning, Preparation, and Specifications
Chapter5 Preparation Overview .............................................63
Table21:SitePreparationChecklist....................................63
Table 22: QFX5100 Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 65
Table 23: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Table24:DeploymentChecklist.......................................67
Table 25: Rack Requirements for the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . 70
Table 26: Cabinet Requirements for the QFX5100 Device . . . . . . . . . . . . . . . . . . . 71
Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
xiiiCopyright © 2017, Juniper Networks, Inc.

Table 27: AC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . 73
Table 28: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 29: DC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . 76
Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table30:QSFP+MPOCableSignals...................................82
Table 31: QSFP+ MPO Fiber-Optic Crossover Cable Pinouts . . . . . . . . . . . . . . . . . 83
Table 32: Cable Specifications for Console and Management Connections for
theQFXSeries.................................................84
Table 33: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 87
Table 34: Cable Specification for 10GBASE-T Network Ports . . . . . . . . . . . . . . . . 89
Chapter8 PinoutSpecifications..............................................91
Table 35: Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . 92
Table 36: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . 93
Part 3 Initial Installation and Configuration
Chapter 9 Unpacking and Mounting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Table 37: Inventory of Components Supplied with a QFX5100 Device . . . . . . . . . 99
Part 5 Troubleshooting
Chapter19 AlarmMessages..................................................177
Table 38: Alarm Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Table39:ChassisAlarmMessages....................................179
Copyright © 2017, Juniper Networks, Inc.xiv
QFX5100 Switch Hardware Guide

About the Documentation
•Documentation and Release Notes on page xv
•Documentation Conventions on page xv
•Documentation Feedback on page xvii
•Requesting Technical Support on page xviii
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
http://www.juniper.net/techpubs/.
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 http://www.juniper.net/books.
Documentation Conventions
Table 1 on page xvi defines notice icons used in this guide.
xvCopyright © 2017, 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 xvi 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 © 2017, Juniper Networks, Inc.xvi
QFX5100 Switch Hardware Guide

Table 2: Text and Syntax Conventions (continued)
ExamplesDescriptionConvention
•To configure a stub area, include the
stub statement at the [edit protocols
ospf area area-id] hierarchy level.
•The console port is labeled CONSOLE.
Represents names of configuration
statements, commands, files, and
directories; configuration hierarchy levels;
or labels on routing platform
components.
Text like this
stub <default-metric metric>;Encloses optional keywords or variables.< > (angle brackets)
broadcast | multicast
(string1 |string2 |string3)
Indicates a choice between the mutually
exclusive keywords or variables on either
side of the symbol. The set of choices is
often enclosed in parentheses for clarity.
| (pipe symbol)
rsvp { # Required for dynamic MPLS onlyIndicates a comment specified on the
same line as the configuration statement
to which it applies.
# (pound sign)
community name members [
community-ids ]
Encloses a variable for which you can
substitute one or more values.
[ ] (square brackets)
[edit]
routing-options {
static {
route default {
nexthop address;
retain;
}
}
}
Identifies a level in the configuration
hierarchy.
Indention and braces ( { } )
Identifies a leaf statement at a
configuration hierarchy level.
; (semicolon)
GUI Conventions
•In the Logical Interfaces box, select
All Interfaces.
•To cancel the configuration, click
Cancel.
Represents graphical user interface (GUI)
items you click or select.
Bold text like this
In the configuration editor hierarchy,
select Protocols>Ospf.
Separates levels in a hierarchy of menu
selections.
>(bold right angle bracket)
Documentation Feedback
We encourage you to provide feedback, comments, and suggestions so that we can
improve the documentation. You can provide feedback by using either of the following
methods:
•Online feedback rating system—On any page of the Juniper Networks TechLibrary site
at http://www.juniper.net/techpubs/index.html, simply click the stars to rate the content,
and use the pop-up form to provide us with information about your experience.
Alternately, you can use the online feedback form at
http://www.juniper.net/techpubs/feedback/.
xviiCopyright © 2017, Juniper Networks, Inc.
About the Documentation

•E-mail—Send your comments to [e-mail]. Include the document
or topic name, URL or page number, and software version (if applicable).
Requesting Technical Support
Technical product support is available through the Juniper Networks Technical Assistance
Center (JTAC). If you are a customer with an active J-Care or Partner Support Service
support contract, or are covered under warranty, and need post-sales technical support,
you can access our tools and resources online or open a case with JTAC.
•JTAC policies—For a complete understanding of our JTAC procedures and policies,
review the JTAC User Guide located at
http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.
•Product warranties—For product warranty information, visit
http://www.juniper.net/support/warranty/.
•JTAC hours of operation—The JTAC centers have resources available 24 hours a day,
7 days a week, 365 days a year.
Self-Help Online Tools and Resources
For quick and easy problem resolution, Juniper Networks has designed an online
self-service portal called the Customer Support Center (CSC) that provides you with the
following features:
•Find CSC offerings: http://www.juniper.net/customers/support/
•Search for known bugs: http://www2.juniper.net/kb/
•Find product documentation: http://www.juniper.net/techpubs/
•Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/
•Download the latest versions of software and review release notes:
http://www.juniper.net/customers/csc/software/
•Search technical bulletins for relevant hardware and software notifications:
http://kb.juniper.net/InfoCenter/
•Join and participate in the Juniper Networks Community Forum:
http://www.juniper.net/company/communities/
•Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/
To verify service entitlement by product serial number, use our Serial Number Entitlement
(SNE) Tool: https://tools.juniper.net/SerialNumberEntitlementSearch/
Opening a Case with JTAC
You can open a case with JTAC on the Web or by telephone.
•Use the Case Management tool in the CSC at http://www.juniper.net/cm/.
•Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).
Copyright © 2017, Juniper Networks, Inc.xviii
QFX5100 Switch Hardware Guide

For international or direct-dial options in countries without toll-free numbers, see
http://www.juniper.net/support/requesting-support.html.
xixCopyright © 2017, Juniper Networks, Inc.
About the Documentation

Copyright © 2017, Juniper Networks, Inc.xx
QFX5100 Switch Hardware Guide