Juniper EX4600 Installation instructions

EX4600 series / QFX5100-24S
Switch Hardware Guide
Published: 2014-08-22 - draft
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.
EX4600 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............................................xiii
DocumentationandReleaseNotes.................................xiii
Supported Platforms............................................xiii
DocumentationConventions......................................xiii
DocumentationFeedback.........................................xv
RequestingTechnicalSupport.....................................xvi
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
OpeningaCasewithJTAC.....................................xvi
Part 1 Overview
Chapter1 EX4600Overview..................................................3
EX4600SwitchHardwareOverview.....................................3
EX4600Hardware...............................................3
SystemSoftware.................................................5
EX4600SwitchModels...............................................5
Field-Replaceable Units in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Understanding Redundancy of EX4600 Switch Components and
Functionality ....................................................7
Chapter2 Chassis ...........................................................9
Chassis Physical Specifications for a EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . 9
Management Panel of an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PortPanelofanEX4600Switch.......................................11
Chapter3 CoolingSystemandAirflow.........................................13
Cooling System and Airflow in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 13
FanModules....................................................13
Do Not Install Components with Different Airflow or Wattage in the
Switch.....................................................16
FanModuleStatus...............................................17
Chapter4 Modules..........................................................19
ExpansionModulesfortheEX4600....................................19
EX4600-EM-8F.................................................19
QFX-EM-4Q ...................................................20
Chapter5 PowerSupply.....................................................23
ACPowerSupplyinanEX4600Switch.................................23
DCPowerSupplyinanEX4600Switch.................................25
Grounding Cable and Lug Specifications for an EX4600 Switch . . . . . . . . . . . . . . 26
iiiCopyright © 2014, Juniper Networks, Inc.

Part 2 Planning
Chapter6 SitePreparation...................................................31
Site Preparation Checklist for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 31
GeneralSiteGuidelines..............................................32
SiteElectricalWiringGuidelines.......................................33
Environmental Requirements and Specifications for EX Series Switches . . . . . . . 35
Chapter 7 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Rack Requirements for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Cabinet Requirements for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Clearance Requirements for Airflow and Hardware Maintenance for an EX4600
Switch ........................................................41
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Cable Specifications for Console and Management Connections for the
EX4600.......................................................44
Console Port Connector Pinout Information for an EX Series Switch . . . . . . . . . . 45
Interface Support for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Interface Specifications for SFP, SFP+, and QSFP+ Transceivers for the EX4600
Switch........................................................49
Interface Specifications for SFP+ DAC Cables for the EX4600 Switch . . . . . . . . 60
Interface Specifications for QSFP+ DAC Breakout Cables for the EX4600
Switch ........................................................65
Interface Specifications for QSFP+ DAC Cables for the EX4600 Switch . . . . . . . 68
Chapter9 CableSpecifications...............................................73
Network Cable Specifications for EX4600 Switches . . . . . . . . . . . . . . . . . . . . . . . 73
Cable Specifications for Console and Management Connections for the
EX4600.......................................................74
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
andDispersion..................................................74
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 74
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 75
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . . 76
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . . 76
Chapter10 PlanningPowerRequirements......................................79
AC Power Specifications for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 79
AC Power Cord Specifications for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . 79
DC Power Specifications for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Chapter11 Compliance ......................................................83
Agency Approvals for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Compliance Statements for EMC Requirements for EX Series Switches . . . . . . . 84
Canada .......................................................84
EuropeanCommunity............................................85
Israel .........................................................85
Japan.........................................................85
Korea.........................................................86
Copyright © 2014, Juniper Networks, Inc.iv
EX4600 Switch Hardware Guide

UnitedStates..................................................86
FCCPart15Statement...........................................86
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Declaration of Conformity for EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Part 3 Safety
Chapter12 GeneralSafetyInformation.........................................91
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
DefinitionsofSafetyWarningLevels....................................92
FireSafetyRequirements............................................94
QualifiedPersonnelWarning..........................................95
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Chapter13 RadiationandLaserWarnings......................................97
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Laser and LED Safety Guidelines and Warnings for EX Series Switches . . . . . . . . 98
GeneralLaserSafetyGuidelines...................................98
Class1LaserProductWarning.....................................99
Class1LEDProductWarning......................................99
LaserBeamWarning............................................100
Chapter 14 Installation and Maintenance Safety Information . . . . . . . . . . . . . . . . . . . . 103
InstallationInstructionsWarning......................................103
Chassis Lifting Guidelines for an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 105
RestrictedAccessWarning...........................................106
Ramp Warning ....................................................107
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 108
GroundedEquipmentWarning........................................112
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . . 113
BatteryHandlingWarning........................................113
JewelryRemovalWarning........................................114
LightningActivityWarning........................................115
OperatingTemperatureWarning...................................116
ProductDisposalWarning........................................117
Chapter 15 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 119
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
ACPowerDisconnectionWarning.....................................124
DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
DCPowerDisconnectionWarning.....................................127
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . 129
DCPowerWiringSequenceWarning...................................130
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 133
TNPowerWarning.................................................133
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
vCopyright © 2014, Juniper Networks, Inc.
Table of Contents

Part 4 Installation
Chapter16 InstallingtheEX4600Device......................................139
Installing and Connecting an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
UnpackinganEX4600Switch........................................140
Mounting an EX4600 Switch in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . 141
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
FourPostProcedure............................................142
Chapter 17 Connecting the EX4600 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Connecting Earth Ground to an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 146
Connecting AC Power to an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Connecting DC Power to an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Connecting an EX Series Switch to a Management Console . . . . . . . . . . . . . . . . 153
Connecting an EX4600 Switch to a Network for Out-of-Band Management . . . 155
Connecting EX4600 Switches in a Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . 156
Chapter 18 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
ConfiguringanEX4600Switch.......................................159
Part 5 Maintenance
Chapter19 RemovingtheDevice.............................................163
PoweringOffanEX4600Switch......................................163
Removing an EX4600 Switch from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 165
Chapter20 Replacing Components ...........................................167
Installing and Removing EX4600 Switch Hardware Components . . . . . . . . . . . . 167
Installing a Power Supply in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Removing a Power Supply from an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . 169
Installing an Expansion Module in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . 171
Removing an Expansion Module from an EX4600 Switch . . . . . . . . . . . . . . . . . . 173
Installing a Fan Module in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Removing a Fan Module from an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . 176
Chapter 21 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 179
Removing a Transceiver from an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . 179
Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Disconnecting a Fiber-Optic Cable from an EX Series Switch . . . . . . . . . . . . . . . 183
Connecting a Fiber-Optic Cable to an EX Series Switch . . . . . . . . . . . . . . . . . . . . 184
Chapter22 RoutineMaintenance .............................................187
Maintaining Fiber-Optic Cables in EX Series Switches . . . . . . . . . . . . . . . . . . . . . 187
Chapter23 ViewingSystemInformation.......................................189
Chassis Status LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Management Port LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Access Port and Uplink Port LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . 191
FanModuleLEDonanEX4600Switch................................194
AC Power Supply LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
DC Power Supply LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Copyright © 2014, Juniper Networks, Inc.vi
EX4600 Switch Hardware Guide

Part 6 Troubleshooting
Chapter24 RestoringJunosOS...............................................199
CreatinganEmergencyBootDevice...................................199
PerformingaRecoveryInstallation....................................201
Chapter25 ReturningHardware..............................................203
Returning an EX4600 Switch or Component for Repair or Replacement . . . . . . 203
Locating the Serial Number on an EX4600 Switch or Component . . . . . . . . . . . 203
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 204
Locating the Chassis Serial Number ID Label on an EX4600 Switch . . . . . 205
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . 205
Packing an EX4600 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 206
Packing an EX4600 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Packing EX4600 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 207
Contacting Customer Support to Obtain Return Materials Authorization for EX
SeriesSwitches................................................207
Chapter26 AlarmMessages..................................................211
UnderstandingAlarms...............................................211
InterfaceAlarmMessages...........................................212
viiCopyright © 2014, Juniper Networks, Inc.
Table of Contents

Copyright © 2014, Juniper Networks, Inc.viii
EX4600 Switch Hardware Guide

List of Figures
Part 1 Overview
Chapter1 EX4600Overview..................................................3
Figure 1: QFX-EM-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2: EX4600-EM-8F Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter2 Chassis ...........................................................9
Figure3:EX4600Switch,FRUEnd.....................................10
Figure 4: Management Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure5:EX4600SwitchPortPanel....................................12
Chapter3 CoolingSystemandAirflow.........................................13
Figure 6: Fan Module for EX4600 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 7: Air In Airflow Through EX4600 Switch Chassis . . . . . . . . . . . . . . . . . . . . . 15
Figure 8: Air Out Airflow Through EX4600 Switch Chassis . . . . . . . . . . . . . . . . . . 16
Chapter4 Modules..........................................................19
Figure 9: EX4600-EM-8F Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 10: QFX-EM-4Q Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter5 PowerSupply.....................................................23
Figure 11: AC Power Supply in EX4600 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 12: Power Supply Handle Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 13: DC Power Supply in EX4600 and QFX5100 Switches . . . . . . . . . . . . . . 25
Figure 14: DC Power Supply Faceplate in EX4600 Switches . . . . . . . . . . . . . . . . . 26
Part 2 Planning
Chapter 7 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 15: Clearance Requirements for Airflow and Hardware Maintenance for
aEX4600Switch...............................................42
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure16:PortPanelofEX4600.......................................46
Part 3 Safety
Chapter 15 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 17: Place a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . . . . 121
Part 4 Installation
Chapter16 InstallingtheEX4600Device......................................139
Figure 18: Attaching Mounting Rails to the EX4600 . . . . . . . . . . . . . . . . . . . . . . . 143
ixCopyright © 2014, Juniper Networks, Inc.

Figure 19: Attach EX4600 Switch to Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 20: Slide Mounting Blade into EX4600 Mounting Rail . . . . . . . . . . . . . . . 144
Chapter 17 Connecting the EX4600 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 21: Connecting a Grounding Cable to an EX4600 Switch . . . . . . . . . . . . . . 147
Figure 22: Connecting an AC Power Cord to an AC Power Supply in an EX4600
Switch .......................................................149
Figure 23: DC Power Supply Faceplate for an EX4600 Switch . . . . . . . . . . . . . . . 152
Figure 24: Securing Ring Lugs to the Terminals on the EX4600 DC Power
Supply .......................................................153
Figure25:EthernetCableConnector...................................153
Figure 26: Connecting an EX Series Switch to a Management Console Through
aConsoleServer...............................................155
Figure 27: Connecting an EX Series Switch Directly to a Management
Console ......................................................155
Figure 28: Connecting an EX4600 Switch to a Network for Out-of-Band
Management..................................................156
Figure 29: Four Member Virtual Chassis with EX4600 Master and Backup . . . . . 157
Part 5 Maintenance
Chapter20 Replacing Components ...........................................167
Figure 30: Installing a Power Supply in an EX4600 Switch . . . . . . . . . . . . . . . . . 169
Figure 31: Removing a Power Supply from an EX4600 Switch . . . . . . . . . . . . . . . 171
Figure 32: Installing a QFX4Q Expansion Module in an EX4600 Switch . . . . . . . 172
Figure 33: Removing a QFX-EM-4Q Expansion Module from an EX4600
Switch........................................................174
Figure 34: Installing a Fan Module in an EX4600 Switch . . . . . . . . . . . . . . . . . . . 175
Figure 35: Removing a Fan Module from an EX4600 Switch . . . . . . . . . . . . . . . . 177
Chapter 21 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 179
Figure 36: Removing a Transceiver from an EX Series Switch . . . . . . . . . . . . . . . . 181
Figure 37: Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . . 183
Figure 38: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
anEXSeriesSwitch.............................................185
Chapter23 ViewingSystemInformation.......................................189
Figure 39: Chassis Status LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . 189
Figure 40: Management Port LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . 191
Figure41:LEDsontheSFP+Ports.....................................192
Figure42:LEDsontheQSFP+Ports...................................192
Figure 43: Fan Module LED in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 194
Figure 44: AC Power Supply LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . 195
Figure 45: DC Power Supply Faceplate on an EX4600 Switch . . . . . . . . . . . . . . . 196
Part 6 Troubleshooting
Chapter25 ReturningHardware..............................................203
Figure 46: Location of the Serial Number ID Label on an EX4600 Switch . . . . . 205
Copyright © 2014, Juniper Networks, Inc.x
EX4600 Switch Hardware Guide

List of Tables
AbouttheDocumentation.........................................xiii
Table1:NoticeIcons.................................................xiv
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Part 1 Overview
Chapter1 EX4600Overview..................................................3
Table 3: EX4600 Switch Product Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table4:FRUsinaEX4600Switch......................................6
Chapter2 Chassis ...........................................................9
Table 5: Physical Specifications for the EX4600 Switch Chassis . . . . . . . . . . . . . . 9
Chapter3 CoolingSystemandAirflow.........................................13
Table 6: Fan Modules for EX4600 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table7:FanModuleLED..............................................17
Chapter4 Modules..........................................................19
Table8:EX4600-EM-8FStatusLED...................................20
Table9:ExpansionModuleStatusLED..................................21
Chapter5 PowerSupply.....................................................23
Table 10: Airflow Direction in EX4600 and QFX5100 AC Power Supplies . . . . . . . 24
Part 2 Planning
Chapter6 SitePreparation...................................................31
Table11:SitePreparationChecklist.....................................31
Table 12: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 13: EX Series Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 35
Chapter 7 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 14: Rack Requirements for the EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . 39
Table 15: Cabinet Requirements for the EX4600 Switch . . . . . . . . . . . . . . . . . . . . 41
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 16: Cable Specifications for Console and Management Connections for
theQFXSeries.................................................44
Table 17: EX Series Switches Console Port Connector Pinout Information . . . . . . 45
Table 18: Supported Optical Transceivers for the EX4600 Switch . . . . . . . . . . . . 46
Table 19: Supported DAC and DAC Breakout Cables for the EX4600 Switch . . . . 47
Table 20: Copper Interface Support and Optical Interface Support for
Gigabit Ethernet SFP Transceivers for the EX4600 Switch . . . . . . . . . . . . . . 50
xiCopyright © 2014, Juniper Networks, Inc.

Table 21: Optical Interface Support for 10-Gigabit Ethernet SFP+ Transceivers
fortheEX4600Switch...........................................53
Table 22: Interface Support for 40-Gigabit Ethernet QSFP+ Transceivers for the
QFXSeries.....................................................58
Table 23: SFP+ Passive Direct Attach Copper Cable Specifications . . . . . . . . . . . 61
Table 24: SFP+ Active Direct Attach Copper Cable Specifications . . . . . . . . . . . . 63
Table 25: QSFP+ DAC Passive Breakout Cable Specifications . . . . . . . . . . . . . . . 66
Table 26: QSFP+ Active DAC Breakout Cable Specifications . . . . . . . . . . . . . . . . . 67
Table 27: Interface Specifications for Passive Copper QSFP+ DAC Cables . . . . . . 69
Table 28: Interface Specifications for Active Copper QSFP+ DAC Cables . . . . . . . 71
Chapter9 CableSpecifications...............................................73
Table 29: Cable Specifications for Switch-to-Management-Device
Connections....................................................73
Table 30: Cable Specifications for Console and Management Connections for
theQFXSeries..................................................74
Table 31: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 77
Chapter10 PlanningPowerRequirements......................................79
Table 32: AC Power Specifications for an EX4600 Switch . . . . . . . . . . . . . . . . . . . 79
Table 33: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Table 34: DC Power Specifications for an EX4600 Switch . . . . . . . . . . . . . . . . . . . 81
Part 4 Installation
Chapter16 InstallingtheEX4600Device......................................139
Table 35: Inventory of Components Supplied with an EX4600 Switch . . . . . . . . 140
Part 5 Maintenance
Chapter23 ViewingSystemInformation.......................................189
Table 36: Chassis Status LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . 190
Table 37: Management Port LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . 191
Table 38: Network Port LEDs on SFP+ Ports on an EX4600 Switch . . . . . . . . . . 192
Table 39: Network Port LEDs on QSFP+ Ports on an EX4600 Switch . . . . . . . . . 193
Table 40: Fan Tray LED in an EX4600 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Table 41: AC Power Supply LEDs on a EX4600 Switch . . . . . . . . . . . . . . . . . . . . . 195
Table 42: DC Power Supply LEDs on an EX4600 Switch . . . . . . . . . . . . . . . . . . . 196
Part 6 Troubleshooting
Chapter26 AlarmMessages..................................................211
Table 43: Alarm Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Copyright © 2014, Juniper Networks, Inc.xii
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About the Documentation
•Documentation and Release Notes on page xiii
•Supported Platforms on page xiii
•Documentation Conventions on page xiii
•Documentation Feedback on page xv
•Requesting Technical Support on page xvi
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:
•EX Series
Documentation Conventions
Table 1 on page xiv defines notice icons used in this guide.
xiiiCopyright © 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 2 on page xiv 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 © 2014, Juniper Networks, Inc.xiv
EX4600 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 at the Juniper Networks Technical
Documentation 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
https://www.juniper.net/cgi-bin/docbugreport/.
xvCopyright © 2014, 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 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/
•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 © 2014, Juniper Networks, Inc.xvi
EX4600 Switch Hardware Guide

For international or direct-dial options in countries without toll-free numbers, see
http://www.juniper.net/support/requesting-support.html.
xviiCopyright © 2014, Juniper Networks, Inc.
About the Documentation

Copyright © 2014, Juniper Networks, Inc.xviii
EX4600 Switch Hardware Guide

PART 1
Overview
•EX4600 Overview on page 3
•Chassis on page 9
•Cooling System and Airflow on page 13
•Modules on page 19
•Power Supply on page 23
1Copyright © 2014, Juniper Networks, Inc.

Copyright © 2014, Juniper Networks, Inc.2
EX4600 Switch Hardware Guide