Juniper EX4500 Series Installation instructions

EX4500 Switch Hardware Guide
Modified: 2017-07-05
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
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.
EX4500 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...........................................xvii
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
SupportedPlatforms............................................xvii
Documentation Conventions .....................................xvii
DocumentationFeedback........................................xix
RequestingTechnicalSupport.....................................xx
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
OpeningaCasewithJTAC.....................................xx
Part 1 Overview
Chapter1 SystemOverview...................................................3
EX4500SwitchesHardwareOverview...................................3
Software .......................................................3
EX4500SwitchesFirstView.......................................3
Intraconnect Module and Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . 5
Virtual Chassis ..................................................6
UplinkModules..................................................6
PowerSupplies..................................................6
EX4500SwitchModels...............................................7
IdentifyingEX4500SwitchModels.....................................10
EX4500 Switch Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . 11
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chassis Physical Specifications for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . 15
Field-Replaceable Units in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
FrontPanelofanEX4500Switch......................................17
RearPanelofanEX4500Switch.......................................18
LCDPanelinEX4500Switches.......................................20
LCDPanelModes...............................................20
LCDPanelMenus...............................................22
UplinkModulesinEX4500Switches...................................25
Intraconnect Module in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Virtual Chassis Module in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chassis Status LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Management Port LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Network Port and Uplink Module Port LEDs in EX4500 Switches . . . . . . . . . . . . . 32
Chapter3 CoolingSystemandAirflow........................................35
Cooling System and Airflow in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 35
FanTray.......................................................35
Airfow Direction in EX4500 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
iiiCopyright © 2017, Juniper Networks, Inc.

Front-to-BackAirflow............................................36
Back-to-FrontAirflow............................................37
Chapter4 PowerSupplies...................................................39
ACPowerSupplyinEX4500Switches..................................39
AC Power Supply LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
DCPowerSupplyinEX4500Switches..................................42
DC Power Supply LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Chapter5 Viewing SystemInformation .......................................45
DashboardforEXSeriesSwitches.....................................45
GraphicalChassisViewer.........................................46
SystemInformationPanel........................................47
HealthStatusPanel.............................................49
CapacityUtilizationPanel.........................................51
AlarmsPanel...................................................51
FileSystemUsage...............................................52
Chassis Viewer .................................................52
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................67
Site Preparation Checklist for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Environmental Requirements and Specifications for EX Series Switches . . . . . . 68
GeneralSiteGuidelines..............................................72
SiteElectricalWiringGuidelines.......................................73
Chassis Physical Specifications for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . 73
Rack Requirements.................................................74
CabinetRequirements...............................................75
Clearance Requirements for Airflow and Hardware Maintenance for EX4500
Switches ......................................................76
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
AC Power Supply Specifications for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . 79
AC Power Cord Specifications for an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 80
DC Power Specifications for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Grounding Cable and Lug Specifications for EX4500 Switches . . . . . . . . . . . . . . 84
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 85
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . . 86
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Pluggable Transceivers Supported on EX4500 Switches . . . . . . . . . . . . . . . . . . . 89
Pluggable Transceivers Supported on EX Series Switches . . . . . . . . . . . . . . . . . . 90
SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . . . 91
CableSpecifications.............................................91
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
ManagementCableSpecifications.....................................97
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
andDispersion.................................................98
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 98
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 99
Copyright © 2017, Juniper Networks, Inc.iv
EX4500 Switch Hardware Guide

Chapter9 Pinout Specifications .............................................101
Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 102
RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . 103
RJ-45 Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout
Information ...................................................104
RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . . . . . . . . . 108
Virtual Chassis Ports Connector Pinout Information for EX4500 Switches . . . . 109
Chapter10 PlanningtheVirtualChassis........................................113
Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware
Configurations .................................................113
Ports Used to Interconnect Virtual Chassis Members . . . . . . . . . . . . . . . . . . . 113
Number of Switches, Required Software Releases, and Member Roles That
You Configure in the Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
VirtualChassisModule...........................................115
Switch Role and Member ID on the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . 116
Planning EX4200, EX4500, and EX4550 Virtual Chassis . . . . . . . . . . . . . . . . . . . 116
Part 3 Initial Installation and Configuration
Chapter11 UnpackingtheSwitch.............................................121
UnpackinganEX4500Switch........................................121
Parts Inventory (Packing List) for an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 122
Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 123
Chapter12 InstallingtheSwitch..............................................125
Installing and Connecting an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
MountinganEX4500Switch.........................................126
Mounting an EX4500 Switch on Two Posts in a Rack or Cabinet . . . . . . . . . . . . 126
Mounting an EX4500 Switch on Four Posts in a Rack or Cabinet . . . . . . . . . . . . 129
Mounting an EX4500 Switch in a Recessed Position in a Rack or Cabinet . . . . . 132
Installing and Removing EX4500 Switch Hardware Components . . . . . . . . . . . . 132
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 135
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground ...................................................135
Special Instructions to Follow Before Connecting Earth Ground to a
Switch....................................................138
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . 140
Connecting AC Power to an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Connecting DC Power to an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Chapter 14 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . 149
Connecting a Device to a Management Console by Using an RJ-45
Connector ....................................................150
ConnectingaFiber-OpticCable.......................................151
vCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Chapter 15 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
EX4500DefaultConfiguration........................................153
Connecting and Configuring an EX Series Switch (CLI Procedure) . . . . . . . . . . . 159
Connecting and Configuring an EX Series Switch (J-Web Procedure) . . . . . . . . . 162
Configuring the LCD Panel on EX Series Switches (CLI Procedure) . . . . . . . . . . . 166
Disabling or Enabling Menus and Menu Options on the LCD Panel . . . . . . . 166
Configuring a Custom Display Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Part 4 Installing, Maintaining, and Replacing Components
Chapter16 RemovingtheSwitch..............................................171
PoweringOffanEX4500Switch.......................................171
Removing an EX4500 Switch from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 173
Chapter 17 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Installing a Fan Tray in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Removing a Fan Tray from an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Chapter18 ReplacingPowerSupply...........................................179
Replacing Redundant AC Power Supplies in an EX4500 Switch Without
DisruptingSwitchFunctions......................................179
Replacing the Power Supply in the Top Slot . . . . . . . . . . . . . . . . . . . . . . . . . 180
Replacing the Power Supply in the Bottom Slot . . . . . . . . . . . . . . . . . . . . . . 183
Installing an AC Power Supply in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 184
Removing an AC Power Supply from an EX4500 Switch . . . . . . . . . . . . . . . . . . . 185
Installing a DC Power Supply in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . 187
Removing a DC Power Supply from an EX4500 Switch . . . . . . . . . . . . . . . . . . . . 189
Chapter19 ReplacingUplinkModule..........................................191
Installing an Uplink Module in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 191
Removing an Uplink Module from an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . 193
Chapter 20 Replacing Interconnect Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Installing an Intraconnect Module in an EX4500 Switch . . . . . . . . . . . . . . . . . . . 197
Removing an Intraconnect Module from an EX4500 Switch . . . . . . . . . . . . . . . . 199
Chapter21 ReplacingTransceiver............................................203
InstallingaTransceiver.............................................203
RemovingaTransceiver.............................................205
Chapter 22 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 209
ConnectingaFiber-OpticCable......................................209
Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . . 210
MaintainingFiber-OpticCables........................................211
Chapter 23 Replacing Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Installing a Virtual Chassis Module in an EX4500 Switch . . . . . . . . . . . . . . . . . . . 213
Removing a Virtual Chassis Module from an EX4500 Switch . . . . . . . . . . . . . . . 215
Chapter 24 Maintaining and Replacing Virtual Chassis Cable . . . . . . . . . . . . . . . . . . . . . 219
Connecting a Virtual Chassis Cable to an EX4500 Switch . . . . . . . . . . . . . . . . . . 219
Disconnecting a Virtual Chassis Cable from an EX4500 Switch . . . . . . . . . . . . . 220
Copyright © 2017, Juniper Networks, Inc.vi
EX4500 Switch Hardware Guide

Chapter 25 Contacting Customer Support and Returning the Chassis or
Components ....................................................223
Returning an EX4500 Switch or Component for Repair or Replacement . . . . . . 223
Locating the Serial Number on an EX4500 Switch or Component . . . . . . . . . . . 224
Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 224
Locating the Chassis Serial Number ID Label on an EX4500 Switch . . . . . . 225
Locating the Serial Number ID Labels on FRUs in an EX4500 Switch . . . . . 225
Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 227
Packing an EX4500 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 228
Packing an EX4500 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Packing EX4500 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 230
Part 5 Troubleshooting
Chapter26 TroubleshootingtheSwitch.......................................233
Troubleshooting the Boot Process on EX4500 Switches . . . . . . . . . . . . . . . . . . . 233
Chapter27 AlarmsandSyslogMessages......................................235
Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . 235
Chassis Component Alarm Conditions on EX4500 Switches . . . . . . . . . . . . . . . 236
Checking Active Alarms with the J-Web Interface . . . . . . . . . . . . . . . . . . . . . . . . . 241
MonitoringSystemLogMessages.....................................242
Part 6 Safety and Compliance Information
Chapter 28 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
QualifiedPersonnelWarning.........................................254
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Chapter29 FireSafetyRequirements.........................................257
FireSafetyRequirements............................................257
Chapter 30 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 259
InstallationInstructionsWarning.....................................259
ChassisLiftingGuidelines...........................................260
RestrictedAccessWarning..........................................260
RampWarning....................................................262
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 262
GroundedEquipmentWarning.......................................266
Chapter 31 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . 269
Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 269
GeneralLaserSafetyGuidelines..................................269
Class1LaserProductWarning....................................270
Class1LEDProductWarning.....................................270
LaserBeamWarning............................................270
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
viiCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Chapter 32 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . 273
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 273
BatteryHandlingWarning........................................273
JewelryRemovalWarning........................................274
LightningActivityWarning.......................................275
OperatingTemperatureWarning..................................276
ProductDisposalWarning........................................277
Chapter 33 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 279
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 279
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
ACPowerDisconnectionWarning.....................................283
DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . . . . 284
DCPowerDisconnectionWarning.....................................287
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 288
DCPowerWiringSequenceWarning..................................289
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 292
TNPowerWarning.................................................292
Chapter 34 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . 295
Agency Approvals for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Compliance Statements for EMC Requirements for EX Series Switches . . . . . . 296
Canada ......................................................296
EuropeanCommunity...........................................297
Israel ........................................................297
Japan........................................................297
Korea........................................................298
UnitedStates.................................................298
FCCPart15Statement..........................................298
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Compliance Statements for Acoustic Noise for EX Series Switches . . . . . . . . . . 300
Copyright © 2017, Juniper Networks, Inc.viii
EX4500 Switch Hardware Guide

List of Figures
Part 1 Overview
Chapter1 SystemOverview...................................................3
Figure1:EX4500SwitchFront..........................................4
Figure 2: EX4500 Switch Rear with Intraconnect Module Installed . . . . . . . . . . . . . 4
Figure 3: EX4500 Switch Rear with Virtual Chassis Module Installed . . . . . . . . . . . 5
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure4:EX4500SwitchFrontPanel....................................17
Figure 5: Label Identifying EX4500 Switches that Support DCB . . . . . . . . . . . . . . 18
Figure 6: EX4500 Switch Rear Panel with an Intraconnect Module Installed . . . . 19
Figure 7: EX4500 Switch Rear Panel with a Virtual Chassis Module Installed . . . . 19
Figure 8: LCD Panel in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 9: Uplink Module Slots in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure10:SFP+UplinkModule........................................26
Figure11:IntraconnectModule.........................................27
Figure12:VirtualChassisModule.......................................28
Figure 13: Virtual Chassis Module LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 14: Chassis Status LEDs in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 30
Figure 15: LEDs on the Management Port on an EX4500 Switch . . . . . . . . . . . . . . 31
Figure16:NetworkPortLEDs..........................................32
Figure17:UplinkModulePortLEDs.....................................32
Chapter3 CoolingSystemandAirflow........................................35
Figure 18: Fan Tray Used in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 19: Front-to-Back Airflow Through the EX4500 Switch Chassis . . . . . . . . . 37
Figure 20: Back-to-Front Airflow Through the EX4500 Switch Chassis . . . . . . . . 37
Chapter4 PowerSupplies...................................................39
Figure21:ACPowerSupply...........................................40
Figure 22: Power Cord Retainer for an AC Power Supply . . . . . . . . . . . . . . . . . . . . 40
Figure 23: AC Power Supply LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . 41
Figure24:DCPowerSupply...........................................43
Figure 25: DC Power Supply LED in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . 44
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................67
Figure 26: Front-to-Back Airflow Through the EX4500-40F-FB Switch
Chassis........................................................77
Figure 27: Back-to-Front Airflow Through the EX4500-40F-BF Switch
Chassis........................................................77
ixCopyright © 2017, Juniper Networks, Inc.

Figure 28: Clearance Requirements for Airflow and Hardware Maintenance for
anEX4500SwitchChassis........................................77
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Figure 29: SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . 91
Part 3 Initial Installation and Configuration
Chapter12 InstallingtheSwitch..............................................125
Figure 30: Attaching the Mounting Bracket Along the Front of the Switch . . . . . . 127
Figure 31: Mounting the Switch on Two Posts in a Rack . . . . . . . . . . . . . . . . . . . . 128
Figure 32: Attaching the Front-Mounting Bracket to the Switch Chassis . . . . . . . 130
Figure 33: Mounting the Switch on the Front Posts in a Rack . . . . . . . . . . . . . . . . 131
Figure 34: Sliding the Rear Mounting-Blades to the Rear of a Four-Post Rack . . . 131
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 35: Connecting the Grounding Lug to a Switch Mounted on Four Posts of
a Rack .......................................................139
Figure 36: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . . 140
Figure 37: Power Cord Retainer in an AC Power Supply . . . . . . . . . . . . . . . . . . . . . 143
Figure 38: Connecting the Power Supply Cord to an EX4500 Switch . . . . . . . . . 143
Figure 39: Remove Plastic Cover from Terminal Block . . . . . . . . . . . . . . . . . . . . . 145
Figure 40: Connecting the Power Supply Cables to an EX4500 Switch . . . . . . . 146
Figure 41: Install Plastic Cover on Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . 147
Chapter 14 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 42: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 43: Connecting a Device to a Network for Out-of-Band Management . . . 150
Figure 44: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 45: Connecting a Device to a Management Console Through a Console
Server ........................................................151
Figure 46: Connecting a Device Directly to a Management Console . . . . . . . . . . . 151
Figure 47: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
aDevice......................................................152
Chapter 15 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 48: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200
Switch .......................................................163
Figure 49: LCD Panel in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Part 4 Installing, Maintaining, and Replacing Components
Chapter 17 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Figure 50: Installing a Fan Tray in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 176
Figure 51: Removing a Fan Tray from an EX4500 Switch . . . . . . . . . . . . . . . . . . . 178
Chapter18 ReplacingPowerSupply...........................................179
Figure 52: Verify Green Power Supply LEDs for Normal Operation . . . . . . . . . . . 180
Figure 53: Removing an AC Power Supply from an EX4500 Switch . . . . . . . . . . . 181
Figure 54: Sliding a Replacement Power Supply into the EX4500 Switch . . . . . 182
Figure 55: Connecting the Replacement Power Supply Cord . . . . . . . . . . . . . . . . 182
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EX4500 Switch Hardware Guide

Figure 56: Installing a Power Supply in an EX4500 Switch . . . . . . . . . . . . . . . . . 185
Figure 57: Removing a Power Supply from an EX4500 Switch . . . . . . . . . . . . . . . 187
Figure 58: Installing a DC Power Supply in an EX4500 Switch . . . . . . . . . . . . . . 188
Figure 59: Removing a DC Power Supply from an EX4500 Switch . . . . . . . . . . . 190
Chapter19 ReplacingUplinkModule..........................................191
Figure 60: Uplink Module Slots in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . 191
Figure 61: Installing an Uplink Module in an EX4500 Switch . . . . . . . . . . . . . . . . 193
Figure 62: Removing an Uplink Module from an EX4500 Switch . . . . . . . . . . . . . 194
Chapter 20 Replacing Interconnect Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Figure 63: Installing an Intraconnect Module in an EX4500 Switch . . . . . . . . . . . 199
Figure 64: Removing an Intraconnect Module from an EX4500 Switch . . . . . . . 201
Chapter21 ReplacingTransceiver............................................203
Figure65:InstallingaTransceiver.....................................205
Figure 66: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver . . . . . . . . . . . . 207
Chapter 22 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 67: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
aDevice......................................................210
Chapter 23 Replacing Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 68: Installing the Virtual Chassis Module in an EX4500 Switch . . . . . . . . 215
Figure 69: Removing the Virtual Chassis Module from an EX4500 Switch . . . . . 218
Chapter 24 Maintaining and Replacing Virtual Chassis Cable . . . . . . . . . . . . . . . . . . . . . 219
Figure 70: Connecting a Virtual Chassis Cable to a Dedicated VCP on a Virtual
ChassisModule................................................220
Figure 71: Disconnecting a Virtual Chassis Cable from a Dedicated VCP on a
VirtualChassisModule..........................................221
Chapter 25 Contacting Customer Support and Returning the Chassis or
Components ....................................................223
Figure 72: Location of the Serial Number ID Label on an EX4500 Switch . . . . . . 225
Figure 73: Location of the Serial Number ID Label on an AC Power Supply Used
inanEX4500Switch...........................................226
Figure 74: Location of the Serial Number ID Label on the Fan Tray Used in an
EX4500Switch................................................226
Figure 75: Location of the Serial Number ID Label on the Virtual Chassis Module
UsedinanEX4500Switch.......................................227
Part 6 Safety and Compliance Information
Chapter 33 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Figure 76: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 282
xiCopyright © 2017, Juniper Networks, Inc.
List of Figures

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List of Tables
AbouttheDocumentation.........................................xvii
Table1:NoticeIcons................................................xviii
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Part 1 Overview
Chapter1 SystemOverview...................................................3
Table 3: EX4500 Switch Models, Components, and Supported Junos OS
Release ........................................................7
Table 4: CLI Equivalents of Terms Used in Documentation for EX4500
Switches .......................................................11
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 5: Physical Specifications of the EX4500 Switch Chassis . . . . . . . . . . . . . . 15
Table 6: LCD Panel Menu Options in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . 22
Table7:UplinkModuleStatusLED.....................................26
Table 8: Intraconnect Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table9:VirtualChassisModuleLEDs...................................29
Table 10: Chassis Status LEDs in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . 30
Table 11: Link/Activity LED on the Management Port on an EX4500 Switch . . . . . 31
Table 12: Status LED on the Management Port on an EX4500 Switch . . . . . . . . . . 31
Table 13: Link/Activity LED on Network Ports and Uplink Module Ports in EX4500
Switches ......................................................33
Table 14: Status LED on Network Ports and Uplink Module Ports in EX4500
Switches ......................................................33
Chapter3 CoolingSystemandAirflow........................................35
Table 15: Airflow Direction in EX4500 Switch Models . . . . . . . . . . . . . . . . . . . . . . 36
Chapter4 PowerSupplies...................................................39
Table 16: Power Supply LED on EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 17: DC Power Supply LED on EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . 44
Chapter5 Viewing SystemInformation .......................................45
Table 18: Details of a Virtual Chassis Member Switch . . . . . . . . . . . . . . . . . . . . . . 46
Table 19: Status of a Member Switch in a Virtual Chassis . . . . . . . . . . . . . . . . . . . 47
Table20:SystemInformation.........................................47
Table21:HealthStatus..............................................49
Table22:CapacityUtilization..........................................51
Table 23: Chassis Viewer for EX2200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 24: Chassis Viewer for EX2200-C Switches . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table 25: Chassis Viewer for EX3200, EX3300, and EX4200 Switches . . . . . . . . 53
xiiiCopyright © 2017, Juniper Networks, Inc.

Table 26: Chassis Viewer for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 27: Chassis Viewer for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Table 28: Chassis Viewer for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 29: Chassis Viewer for EX4600 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 30: Chassis Viewer for EX6210 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 31: Chassis Viewer for EX8208 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Table 32: Chassis Viewer for EX8216 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 33: Chassis Viewer for XRE200 External Routing Engines . . . . . . . . . . . . . . 62
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................67
Table34:SitePreparationChecklist....................................67
Table 35: EX Series Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . 69
Table 36: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 37: Physical Specifications of the EX4500 Switch Chassis . . . . . . . . . . . . . 74
Table 38: Rack Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Table 39: Cabinet Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . 75
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 40: AC Power Supply Specifications for an EX4500 Switch . . . . . . . . . . . . 79
Table 41: AC Power Cord Specifications for an EX4500 Switch . . . . . . . . . . . . . . 80
Table 42: Power Specifications for the DC Power Supply Used in an EX4500
Switch........................................................84
Table 43: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 86
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Table 44: Software Support for SFP+ Passive Direct Attach Copper Cables for
EXSeriesSwitches..............................................91
Table 45: SFP+ Direct Attach Copper Cable Specifications . . . . . . . . . . . . . . . . . 94
Table 46: Specifications of Cables to Connect to Management Devices . . . . . . . 98
Chapter9 Pinout Specifications .............................................101
Table 47: Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . 101
Table 48: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . 103
Table 49: 10/100/1000BASE-T Ethernet Network Port Connector Pinout
Information ...................................................104
Table 50: SFP Network Port Connector Pinout Information . . . . . . . . . . . . . . . . . 104
Table 51: SFP+ Network Port Connector Pinout Information . . . . . . . . . . . . . . . . 105
Table 52: QSFP+ Network Port Connector Pinout Information . . . . . . . . . . . . . . 106
Table 53: RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . 108
Table 54: Virtual Chassis Ports (VCPs) Connector Pinout Information . . . . . . . . 109
Chapter10 PlanningtheVirtualChassis........................................113
Table 55: Number of Switches and Switch Roles for an EX4200 Virtual Chassis,
perJunosOSRelease............................................114
Table 56: Number of Switches and Switch Roles for an EX4500 Virtual Chassis,
perJunosOSRelease............................................115
Table 57: Number of Switches and Switch Roles for an EX4550 Virtual Chassis,
perJunosOSRelease............................................115
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EX4500 Switch Hardware Guide

Table 58: Number of Switches and Switch Roles for a Mixed EX4200, EX4500,
and EX4550 Virtual Chassis, per Junos OS Release . . . . . . . . . . . . . . . . . . . . 115
Table 59: Virtual Chassis Components to Consider When Planning an EX4200,
EX4500, and EX4550 Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Table 60: Cabling Requirements for a Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . 117
Part 3 Initial Installation and Configuration
Chapter11 UnpackingtheSwitch.............................................121
Table 61: Inventory of Components Provided with an EX4500 Switch . . . . . . . . . 122
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Table 62: Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground.......................................................136
Table 63: Special Instructions to Follow Before Connecting Earth Ground to a
Switch .......................................................138
Part 5 Troubleshooting
Chapter27 AlarmsandSyslogMessages......................................235
Table64:AlarmTerms..............................................235
Table 65: Chassis Component Alarm Conditions on EX4500 Switches . . . . . . . 237
Table 66: Summary of Key Alarm Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . 242
Table 67: Filtering System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Table 68: Viewing System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
xvCopyright © 2017, Juniper Networks, Inc.
List of Tables

Copyright © 2017, Juniper Networks, Inc.xvi
EX4500 Switch Hardware Guide

About the Documentation
•Documentation and Release Notes on page xvii
•Supported Platforms on page xvii
•Documentation Conventions on page xvii
•Documentation Feedback on page xix
•Requesting Technical Support on page xx
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:
•EX4500
Documentation Conventions
Table 1 on page xviii defines notice icons used in this guide.
xviiCopyright © 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 xviii 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.xviii
EX4500 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/.
xixCopyright © 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/
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•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
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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.xx
EX4500 Switch Hardware Guide