Juniper QFX5100 Installation instructions

QFX5100 Switch Hardware Guide
Published: 2014-06-03
Copyright © 2014, Juniper Networks, Inc.

Juniper Networks, Inc.
1194 North Mathilda Avenue
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2014, 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
States and other countries. The Juniper Networks Logo, the Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All other
trademarks, service marks, registered trademarks, 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.
QFX5100 Switch Hardware Guide
Copyright © 2014, 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 © 2014, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation............................................xv
DocumentationandReleaseNotes.................................xv
SupportedPlatforms.............................................xv
Documentation Conventions ......................................xv
DocumentationFeedback........................................xvii
RequestingTechnicalSupport....................................xvii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
OpeningaCasewithJTAC....................................xviii
Part 1 Overview
Chapter1 QFX5100Overview.................................................3
QFX5100SwitchHardwareOverview....................................3
QFX5100Hardware...............................................3
System Software ................................................6
QFX5100SwitchModels..............................................6
Field-Replaceable Units in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Understanding Hardware Redundancy of QFX5100 Switch Components and
Functionality ....................................................9
Supported Environments for QFX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter2 Chassis...........................................................13
Chassis Physical Specifications for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . 13
Management Panel of a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PortPanelofaQFX5100-48SSwitch...................................16
PortPanelofaQFX5100-24QSwitch...................................18
SwitchPorts....................................................19
ChannelizingInterfaces...........................................19
Virtual Chassis and Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Port LEDs .....................................................20
PortPanelofaQFX5100-96SSwitch...................................22
Switch Ports ...................................................22
ChannelizingInterfaces...........................................23
VirtualChassis..................................................23
Chapter3 CoolingSystemandAirflow........................................25
Cooling System and Airflow in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 25
FanModules...................................................25
Do Not Install Components with Different Airflow or Wattage in the
Switch ....................................................29
FanModuleStatus..............................................30
iiiCopyright © 2014, Juniper Networks, Inc.

Chapter4 Modules .........................................................33
ExpansionModuleforQFX5100.......................................33
Chapter5 PowerSupply.....................................................35
ACPowerSupplyforaQFX5100Switch.................................35
DCPowerSupplyinaQFX5100Switch..................................37
Grounding Cable and Lug Specifications for a QFX5100 Switch . . . . . . . . . . . . . . 39
Part 2 Planning
Chapter6 Site Preparation ..................................................43
Site Preparation Checklist for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 43
GeneralSiteGuidelines..............................................44
SiteElectricalWiringGuidelines.......................................45
Environmental Requirements and Specifications for a QFX5100 Switch . . . . . . . 47
Planning a Virtual Chassis Fabric Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Chapter7 RackandCabinetRequirements.....................................51
Rack Requirements for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cabinet Requirements for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100
Switch ........................................................53
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . 56
Management Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . 57
Interface Support for the QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Interface Specifications for SFP, SFP+, and QSFP+ Transceivers for the QFX
Series .........................................................61
Interface Specifications for SFP+ DAC Cables for the QFX Series . . . . . . . . . . . . . 73
Interface Specifications for QSFP+ DAC Breakout Cables for the QFX Series . . . 79
Interface Specifications for QSFP+ DAC Cables for the QFX Series . . . . . . . . . . . 82
Chapter9 Cable Specifications ..............................................89
Cable Specifications for QSFP+ Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Cable Specifications for Console and Management Connections for the QFX
Series .........................................................91
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion .....................................................91
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 92
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 92
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 93
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 93
Chapter10 PlanningPowerRequirements......................................97
AC Power Specifications for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
AC Power Cord Specifications for a QFX Series Device . . . . . . . . . . . . . . . . . . . . . 98
DC Power Specifications for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 99
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QFX5100 Switch Hardware Guide

Chapter11 Compliance......................................................101
AgencyApprovalsfortheQFXSeries...................................101
Compliance Statements for EMC Requirements for the QFX Series . . . . . . . . . . 102
Canada.......................................................102
EuropeanCommunity...........................................103
Japan ........................................................103
Korea ........................................................103
UnitedStates..................................................103
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Declaration of Conformity for QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . . . 105
Part 3 Safety
Chapter12 GeneralSafetyInformation........................................113
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
FireSafetyRequirements............................................116
QualifiedPersonnelWarning..........................................117
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Chapter13 RadiationandLaserWarnings......................................119
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . . . . . 120
GeneralLaserSafetyGuidelines...................................121
Class1MLaserProductWarning...................................121
Class1MLaserRadiationWarning..................................121
Class1LaserProductWarning.....................................121
Class1LEDProductWarning......................................122
LaserBeamWarning............................................122
Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Chapter 14 Installation and Maintenance Safety Information . . . . . . . . . . . . . . . . . . . . . 125
InstallationInstructionsWarning......................................125
Chassis Lifting Guidelines for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 127
RestrictedAccessWarning...........................................128
Ramp Warning ....................................................129
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 130
GroundedEquipmentWarning........................................134
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 135
BatteryHandlingWarning........................................135
JewelryRemovalWarning........................................136
LightningActivityWarning........................................137
OperatingTemperatureWarning..................................138
ProductDisposalWarning........................................139
Chapter 15 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 141
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
ACPowerDisconnectionWarning.....................................146
vCopyright © 2014, Juniper Networks, Inc.
Table of Contents

DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
DCPowerDisconnectionWarning.....................................149
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . 151
DCPowerWiringSequenceWarning...................................152
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 155
TNPowerWarning.................................................155
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Part 4 Installation
Chapter 16 Installing the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Installing and Connecting a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
UnpackingaQFX5100Switch........................................162
Mounting a QFX5100 Switch in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . 163
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
FourPostProcedure............................................165
Virtual Chassis Fabric Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Chapter 17 Connecting the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Connecting Earth Ground to a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Connecting AC Power to a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Connecting DC Power to a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Connecting a QFX Series Device to a Management Console . . . . . . . . . . . . . . . . 180
Connecting a QFX5100 Switch to a Network for Out-of-Band Management . . . 181
Connecting QFX5100-96S Switches in a Virtual Chassis . . . . . . . . . . . . . . . . . . . 182
Connecting a QFX5100 Switch in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . 183
Chapter 18 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
ConfiguringaQFX5100Switch.......................................185
Part 5 Maintenance
Chapter19 RemovingtheDevice.............................................189
PoweringOffaQFX5100Switch......................................189
Removing a QFX5100 Switch from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . 191
Chapter20 ReplacingComponents ...........................................193
Installing and Removing QFX5100 Switch Hardware Components . . . . . . . . . . . 193
Installing a Power Supply in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Removing a Power Supply from a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . 196
Installing an Expansion Module in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . 198
Removing an Expansion Module from a QFX5100 Switch . . . . . . . . . . . . . . . . . . 199
Installing a Fan Module in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Removing a Fan Module from a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . 202
Chapter 21 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 205
Removing a Transceiver from a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . 205
Installing a Transceiver in a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Disconnecting a Fiber-Optic Cable from a QFX Series Device . . . . . . . . . . . . . . . 208
Connecting a Fiber-Optic Cable to a QFX Series Device . . . . . . . . . . . . . . . . . . . 209
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QFX5100 Switch Hardware Guide

Chapter22 RoutineMaintenance..............................................211
Maintaining Fiber-Optic Cables in a QFX Series Device . . . . . . . . . . . . . . . . . . . . . 211
Chapter23 ViewingSystemInformation.......................................213
Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Access Port and Uplink Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 217
FanModuleLEDonaQFX5100Switch.................................219
AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
DC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Part 6 Troubleshooting
Chapter24 RestoringJunosOS...............................................225
Creating an Emergency Boot Device for a QFX Series Device . . . . . . . . . . . . . . . 225
Performing a Recovery Installation on a QFX5100 Switch . . . . . . . . . . . . . . . . . . 227
Chapter25 ReturningHardware..............................................229
Returning a QFX5100 Switch or Component for Repair or Replacement . . . . . . 229
Locating the Serial Number on a QFX5100 Switch or Component . . . . . . . . . . . 229
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 230
Locating the Chassis Serial Number ID Label on a QFX5100 Switch . . . . . . 231
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . . 232
Packing a QFX5100 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 232
Packing a QFX5100 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Packing QFX5100 Switch Components for Shipping . . . . . . . . . . . . . . . . . . 233
Contacting Customer Support to Obtain a Return Materials Authorization for a
QFXSeriesDeviceorComponent.................................233
Chapter26 Alarm Messages .................................................237
UnderstandingAlarms..............................................237
InterfaceAlarmMessages...........................................238
viiCopyright © 2014, Juniper Networks, Inc.
Table of Contents

Copyright © 2014, Juniper Networks, Inc.viii
QFX5100 Switch Hardware Guide

List of Figures
Part 1 Overview
Chapter1 QFX5100Overview.................................................3
Figure1:QFX5100-48SSwitch.........................................4
Figure2:QFX5100-24QSwitch.........................................5
Figure 3: QFX-EM-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure4:QFX5100-96SSwitch.........................................6
Chapter2 Chassis...........................................................13
Figure 5: QFX5100 Switch, FRU End 1 U Product SKUs . . . . . . . . . . . . . . . . . . . . . . 14
Figure6:QFX5100-96S,FRUEnd......................................14
Figure 7: Management Panel Components on 1 U Product SKUs . . . . . . . . . . . . . . 14
Figure 8: Management Panel Components on the QFX5100-96S . . . . . . . . . . . . . 15
Figure 9: QFX5100-48S Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 10: QFX5100-24Q Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 11: LEDs on the QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 12: QFX5100-96S Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Chapter3 CoolingSystemandAirflow........................................25
Figure 13: 1 U Fan Module Used in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . 26
Figure 14: 2 U Fan Module Used in QFX5100-96S Switches . . . . . . . . . . . . . . . . . 26
Figure 15: Air In Airflow Through 1 U QFX5100 Switch Chassis . . . . . . . . . . . . . . . . 28
Figure 16: Air In Airflow Through 2 U QFX5100 Switch Chassis . . . . . . . . . . . . . . . 28
Figure 17: Air Out Airflow Through 1 U QFX5100 Switch Chassis . . . . . . . . . . . . . . 29
Figure 18: Air Out Airflow Through 2 U QFX5100 Switch Chassis . . . . . . . . . . . . . . 29
Chapter4 Modules .........................................................33
Figure 19: QFX-EM-4Q Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter5 PowerSupply.....................................................35
Figure 20: 1 U AC Power Supply in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . 35
Figure 21: 2 U AC Power Supply in a QFX5100-96S Switch . . . . . . . . . . . . . . . . . . 36
Figure 22: Power Supply Handle Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 23: DC Power Supply in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 24: DC Power Supply for QFX5100-96S Switches . . . . . . . . . . . . . . . . . . . 38
Figure 25: DC Power Supply Faceplate in QFX5100 Switches . . . . . . . . . . . . . . . . 39
Part 2 Planning
Chapter7 RackandCabinetRequirements.....................................51
Figure 26: Clearance Requirements for Airflow and Hardware Maintenance for
aQFX5100Switch..............................................54
ixCopyright © 2014, Juniper Networks, Inc.

Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure27:PortPanelQFX5100-96S....................................58
Figure28:PortPanelQFX5100-48S....................................58
Figure29:PortPanelQFX5100-24Q....................................59
Chapter10 PlanningPowerRequirements......................................97
Figure30:ACPlugTypes.............................................99
Part 3 Safety
Chapter 15 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 31: Place a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . . . 143
Part 4 Installation
Chapter 16 Installing the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 32: Attaching Mounting Rails to the QFX5100-24Q . . . . . . . . . . . . . . . . . . 165
Figure 33: Attaching Mounting Rails to the QFX5100-48S . . . . . . . . . . . . . . . . . . 166
Figure 34: Attaching Mounting Rails to the QFX5100-96S . . . . . . . . . . . . . . . . . . 166
Figure35:Attach1USwitchtoRack...................................166
Figure 36: Slide Mounting Rail onto the QFX5100-96S Rear Mounting Blade . . . 167
Figure 37: Slide Mounting Blade into 1 U Mounting Rail . . . . . . . . . . . . . . . . . . . . . 167
Chapter 17 Connecting the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 38: Connecting a Grounding Cable to a 1 U QFX5100 Switch . . . . . . . . . . . 173
Figure 39: Connecting a Grounding Cable to the 2 U QFX5100-96S Switch . . . . 173
Figure 40: Connecting an AC Power Cord to an AC Power Supply in a 1 U QFX5100
Switch........................................................175
Figure 41: Connecting an AC Power Cord to an AC Power Supply in a 2 U QFX5100
Switch........................................................175
Figure 42: DC Power Supply Faceplate for a QFX5100 Switch . . . . . . . . . . . . . . . 179
Figure 43: Securing Ring Lugs to the Terminals on the QFX5100 DC Power
Supply .......................................................179
Figure 44: Connecting the QFX Series to a Management Console Through a
Console Server ................................................180
Figure 45: Connecting the QFX Series Directly to a Management Console . . . . . 180
Figure 46: Connecting a QFX5100 Switch to a Network for Out-of-Band
Management ..................................................182
Figure 47: Maximum QFX5100-96S Ring Configuration . . . . . . . . . . . . . . . . . . . . 183
Figure 48: Two Spine Virtual Chassis Fabric with Four Leaf Devices . . . . . . . . . . 184
Part 5 Maintenance
Chapter20 ReplacingComponents ...........................................193
Figure 49: Installing a Power Supply in a 1 U QFX5100 Switch . . . . . . . . . . . . . . . 195
Figure 50: Installing a Power Supply in a QFX5100-96S . . . . . . . . . . . . . . . . . . . 195
Figure 51: Removing a Power Supply from a 1 U QFX5100 Switch . . . . . . . . . . . . 197
Figure 52: Removing a Power Supply from a QFX5100-96S Switch . . . . . . . . . . 197
Figure 53: Installing a QFX4Q Expansion Module in a QFX5100-24Q Switch . . . 199
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QFX5100 Switch Hardware Guide

Figure 54: Removing a QFX-EM-4Q Expansion Module from a QFX5100-24Q
Switch .......................................................201
Figure 55: Installing a Fan Module in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 202
Figure 56: Installing a Fan Module in a 2 U QFX5100-96S Switch . . . . . . . . . . . . 202
Figure 57: Removing a Fan Module from a 1 U QFX5100 Switch . . . . . . . . . . . . . 203
Figure 58: Removing a Fan Module from a 2 U QFX5100-96S Switch . . . . . . . . 204
Chapter 21 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 205
Figure 59: Installing an SFP Transceiver in the QFX Series . . . . . . . . . . . . . . . . . 208
Figure 60: Installing a QSFP+ Transceiver in the QFX Series—Vertical
Orientation ...................................................208
Figure 61: Installing a QSFP+ Transceiver in the QFX Series—Horizontal
Orientation ...................................................208
Chapter23 ViewingSystemInformation.......................................213
Figure 62: Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . 213
Figure 63: Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . 216
Figure64:LEDsontheSFP+Ports.....................................217
Figure65:LEDsontheQSFP+Ports...................................217
Figure 66: Fan Module LED in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 219
Figure 67: AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 220
Figure 68: DC Power Supply Faceplate on a QFX5100 Switch . . . . . . . . . . . . . . . 221
Part 6 Troubleshooting
Chapter25 ReturningHardware..............................................229
Figure 69: Location of the Serial Number ID Label on a QFX5100-96S Switch . . 231
Figure 70: Location of the Serial Number ID Label on a QFX5100-48S Switch . . 231
Figure 71: Location of the Serial Number ID Label on a QFX5100-24Q Switch . . 231
xiCopyright © 2014, Juniper Networks, Inc.
List of Figures

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QFX5100 Switch Hardware Guide

List of Tables
AbouttheDocumentation..........................................xv
Table1:NoticeIcons.................................................xvi
Table2:NoticeIcons................................................xvi
Part 1 Overview
Chapter1 QFX5100Overview.................................................3
Table 3: QFX5100 Switch Product Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table4:FRUsinaQFX5100Switch.....................................8
Table 5: Supported QFX and EX Series Switches Configurations . . . . . . . . . . . . . . 10
Chapter2 Chassis...........................................................13
Table 6: Physical Specifications for the QFX5100 Switch Chassis . . . . . . . . . . . . . 13
Table 7: Port LEDs on a QFX5100-24Q Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter3 CoolingSystemandAirflow........................................25
Table 8: Fan Modules in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table9:FanModuleLED.............................................30
Chapter4 Modules .........................................................33
Table 10: Expansion Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Chapter5 PowerSupply.....................................................35
Table 11: Airflow Direction in QFX5100 AC Power Supplies . . . . . . . . . . . . . . . . . . . 37
Part 2 Planning
Chapter6 Site Preparation ..................................................43
Table12:SitePreparationChecklist....................................43
Table 13: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 14: QFX5100 Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 47
Table15:DeploymentChecklist.......................................48
Chapter7 RackandCabinetRequirements.....................................51
Table 16: Rack Requirements for the QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . 51
Table 17: Cabinet Requirements for the QFX5100 Switch . . . . . . . . . . . . . . . . . . . 53
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 18: Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . 56
Table 19: RJ-45 Management Port Connector Pinouts for the QFX Series . . . . . . . 57
Table 20: Supported Optical Transceivers for the QFX5100 Switch . . . . . . . . . . . 59
Table 21: Supported DAC and DAC Breakout Cables for the QFX5100 Switch . . . 60
xiiiCopyright © 2014, Juniper Networks, Inc.

Table 22: Copper Interface Support and Optical Interface Support for
Gigabit Ethernet SFP Transceivers for the QFX Series . . . . . . . . . . . . . . . . . . 63
Table 23: Optical Interface Support for 10-Gigabit Ethernet SFP+ Transceivers
fortheQFXSeries...............................................66
Table 24: Interface Support for 40-Gigabit Ethernet QSFP+ Transceivers for the
QFXSeries.....................................................71
Table 25: Third-Party SFP+ DAC Cable Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Table 26: SFP+ Passive Direct Attach Copper Cable Specifications . . . . . . . . . . . 75
Table 27: SFP+ Active Direct Attach Copper Cable Specifications . . . . . . . . . . . . . 77
Table 28: Third-Party QSFP+ DAC Breakout Cable Support . . . . . . . . . . . . . . . . . 79
Table 29: QSFP+ DAC Passive Breakout Cable Specifications . . . . . . . . . . . . . . . 80
Table 30: QSFP+ Active DAC Breakout Cable Specifications . . . . . . . . . . . . . . . . . 81
Table 31: Third-Party QSFP+ DAC Cable Support . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 32: Interface Specifications for Passive Copper QSFP+ DAC Cables . . . . . . 84
Table 33: Interface Specifications for Active Copper QSFP+ DAC Cables . . . . . . . 86
Chapter9 Cable Specifications ..............................................89
Table34:QSFP+MTPCableSignals...................................89
Table 35: QSFP+ MTP Fiber-Optic Crossover Cable Pinouts . . . . . . . . . . . . . . . . 90
Table 36: Cable Specifications for Console and Management Connections for
theQFXSeries..................................................91
Table 37: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 94
Chapter10 PlanningPowerRequirements......................................97
Table 38: AC Power Specifications for a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 97
Table 39: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Table 40: DC Power Specifications for a QFX5100 Switch . . . . . . . . . . . . . . . . . . 99
Part 4 Installation
Chapter 16 Installing the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Table 41: Inventory of Components Supplied with a QFX5100 Switch . . . . . . . . 163
Part 5 Maintenance
Chapter23 ViewingSystemInformation.......................................213
Table 42: Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . 214
Table 43: Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 216
Table 44: Network Port LEDs on SFP+ Ports on a QFX5100 Switch . . . . . . . . . . 218
Table 45: Network Port LEDs on QSFP+ Ports on a QFX5100 Switch . . . . . . . . . 218
Table 46: Fan Tray LED in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Table 47: AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 220
Table 48: DC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 222
Part 6 Troubleshooting
Chapter26 Alarm Messages .................................................237
Table 49: Alarm Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Copyright © 2014, Juniper Networks, Inc.xiv
QFX5100 Switch Hardware Guide

About the Documentation
•Documentation and Release Notes on page xv
•Supported Platforms on page xv
•Documentation Conventions on page xv
•Documentation Feedback on page xvii
•Requesting Technical Support on page xvii
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.
Supported Platforms
For the features described in this document, the following platforms are supported:
•QFX5100
Documentation Conventions
Table 1 on page xvi defines notice icons used in this guide.
xvCopyright © 2014, 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 1 on page xvi defines notice icons used in this guide.
Table 2: 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
Copyright © 2014, Juniper Networks, Inc.xvi
QFX5100 Switch Hardware Guide

Documentation Feedback
We encourage you to provide feedback, comments, and suggestions so that we can
improve the documentation. You can send your comments to
[e-mail], or fill out the documentation feedback form at
https://www.juniper.net/cgi-bin/docbugreport/. If you are using e-mail, be sure to include
the following information with your comments:
•Document or topic name
•URL or page number
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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 JNASC 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/
xviiCopyright © 2014, Juniper Networks, Inc.
About the Documentation

•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).
For international or direct-dial options in countries without toll-free numbers, see
http://www.juniper.net/support/requesting-support.html.
Copyright © 2014, Juniper Networks, Inc.xviii
QFX5100 Switch Hardware Guide

PART 1
Overview
•QFX5100 Overview on page 3
•Chassis on page 13
•Cooling System and Airflow on page 25
•Modules on page 33
•Power Supply on page 35
1Copyright © 2014, Juniper Networks, Inc.

Copyright © 2014, Juniper Networks, Inc.2
QFX5100 Switch Hardware Guide