Juniper EX4200 Series Installation instructions

EX4200 Switch Hardware Guide
Modified: 2015-06-29
Copyright © 2015, Juniper Networks, Inc.

Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2015, Juniper Networks, Inc. All rights reserved.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
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Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify,
transfer, or otherwise revise this publication without notice.
EX4200 Switch Hardware Guide
Copyright © 2015, 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 © 2015, 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
EX4200SwitchesHardwareOverview...................................3
EX4200Switches................................................3
UplinkModules..................................................4
PoweroverEthernetPorts.........................................4
EX4200SwitchModels...............................................5
EX4200 Switch Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . 6
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chassis Physical Specifications for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . 9
Field-Replaceable Units in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
FrontPanelofanEX4200Switch.......................................11
RearPanelofanEX4200Switch.......................................12
LCDPanelinEX4200Switches........................................13
LCDPanelModes................................................14
LCDPanelMenus................................................15
UplinkModulesinEX4200Switches....................................18
SFPUplinkModule..............................................19
SFP+ and SFP+ MACsec Uplink Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
XFPUplinkModule...............................................21
Chassis Status LEDs in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Management Port LEDs in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Network Port LEDs in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter3 CoolingSystemandAirflow.........................................31
Cooling System and Airflow in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 31
FanTray.......................................................31
Airflow Direction in the EX4200 Switch Chassis . . . . . . . . . . . . . . . . . . . . . . . 31
iiiCopyright © 2015, Juniper Networks, Inc.

Chapter4 Power Supplies...................................................33
PowerSupplyinEX4200Switches.....................................33
ACPowerSupplies..............................................34
DCPowerSupplies..............................................35
PoE Power Budget and AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
AC Power Supply LEDs in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
DC Power Supply LEDs in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Chapter5 Viewing System Information.......................................39
DashboardforEXSeriesSwitches.....................................39
GraphicalChassisViewer.........................................40
SystemInformationPanel.........................................41
HealthStatusPanel.............................................43
CapacityUtilizationPanel........................................45
AlarmsPanel...................................................45
FileSystemUsage..............................................46
ChassisViewer.................................................46
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................61
Site Preparation Checklist for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Environmental Requirements and Specifications for EX Series Switches . . . . . . . 63
GeneralSiteGuidelines..............................................66
SiteElectricalWiringGuidelines.......................................67
Rack Requirements for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Cabinet Requirements for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Requirements for Mounting an EX4200 Switch on a Desktop or Wall . . . . . . . . . . 71
Clearance Requirements for Airflow and Hardware Maintenance for EX4200
Switches ......................................................72
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Power Specifications for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
AC Power Cord Specifications for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . 76
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . . 78
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . . 78
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Pluggable Transceivers Supported on EX4200 Switches . . . . . . . . . . . . . . . . . . . . 81
SFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . 118
Cable Specifications ............................................118
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Network Cable Specifications for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . 122
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
andDispersion.................................................123
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 123
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 123
Copyright © 2015, Juniper Networks, Inc.iv
EX4200 Switch Hardware Guide

Chapter9 PinoutSpecifications.............................................125
Console Port Connector Pinout Information for an EX Series Switch . . . . . . . . . . 125
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 126
Management Port Connector Pinout Information for an EX4200 Switch . . . . . . 127
Network Port Connector Pinout Information for an EX4200 Switch . . . . . . . . . . 128
RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch . . . . . . . . . . . 129
Uplink Modules Connector Pinout Information for EX4200 Switches . . . . . . . . . 130
Virtual Chassis Ports Connector Pinout Information for EX4200 Switches . . . . . 138
Chapter10 PlanningtheVirtualChassis.......................................143
Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware
Configurations .................................................143
Ports Used to Interconnect Virtual Chassis Members . . . . . . . . . . . . . . . . . . 143
Number of Switches, Required Software Releases, and Member Roles That
You Configure in the Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
VirtualChassisModule..........................................145
Switch Role and Member ID on the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . 146
Planning EX4200, EX4500, and EX4550 Virtual Chassis . . . . . . . . . . . . . . . . . . 146
Virtual Chassis Cabling Configuration Examples for EX4200 Switches . . . . . . . 148
Part 3 Initial Installation and Configuration
Chapter11 UnpackingtheSwitch.............................................153
UnpackinganEX4200Switch........................................153
Parts Inventory (Packing List) for an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . 154
Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 156
Chapter12 InstallingtheSwitch..............................................157
Installing and Connecting an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
MountinganEX4200Switch.........................................158
Mounting an EX4200 Switch on a Desk or Other Level Surface . . . . . . . . . . . . . . 159
Mounting an EX4200 Switch on Two Posts in a Rack or Cabinet . . . . . . . . . . . . 160
Mounting an EX4200 Switch on Four Posts in a Rack or Cabinet . . . . . . . . . . . . 163
Mounting an EX4200 Switch in a Recessed Position in a Rack or Cabinet . . . . . 166
MountinganEX4200SwitchonaWall.................................167
Installing and Removing EX4200 Switch Hardware Components . . . . . . . . . . . 169
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground ....................................................171
Special Instructions to Follow Before Connecting Earth Ground to a
Switch ....................................................174
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . 176
Connecting AC Power to an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Connecting DC Power to an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Chapter 14 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Connecting a Switch to a Network for Out-of-Band Management . . . . . . . . . . . 185
Connecting a Switch to a Management Console . . . . . . . . . . . . . . . . . . . . . . . . . . 187
vCopyright © 2015, Juniper Networks, Inc.
Table of Contents

Connecting a Fiber-Optic Cable to a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Chapter 15 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
EX4200DefaultConfiguration........................................191
Connecting and Configuring an EX Series Switch (CLI Procedure) . . . . . . . . . . . 195
Connecting and Configuring an EX Series Switch (J-Web Procedure) . . . . . . . . . 198
Configuring the LCD Panel on EX Series Switches (CLI Procedure) . . . . . . . . . . . 201
Disabling or Enabling Menus and Menu Options on the LCD Panel . . . . . . . 202
Configuring a Custom Display Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Part 4 Installing, Maintaining, and Replacing Components
Chapter 16 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Installing a Fan Tray in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Removing a Fan Tray from an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Chapter17 ReplacingPowerSupply...........................................211
Installing a Power Supply in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Removing a Power Supply from an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . 213
Chapter18 ReplacingUplinkModule..........................................215
Installing an Uplink Module in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 215
Removing an Uplink Module from an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . 217
Chapter19 ReplacingTransceiver.............................................221
Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Removing a Transceiver from a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Chapter 20 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 227
Connecting a Fiber-Optic Cable to a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Disconnecting a Fiber-Optic Cable from a Switch . . . . . . . . . . . . . . . . . . . . . . . . 228
Maintaining Fiber-Optic Cables in Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Chapter 21 Replacing a Member Switch to Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . 231
Adding a New EX4200 Switch to an Existing EX4200 Virtual Chassis (CLI
Procedure) ....................................................231
Adding a New Switch to an Existing Virtual Chassis Within the Same Wiring
Closet ....................................................231
Adding a New Switch from a Different Wiring Closet to an Existing Virtual
Chassis...................................................233
Adding a New Switch to an Existing Preprovisioned Virtual Chassis Using
Autoprovisioning ...........................................234
Replacing a Member Switch of a Virtual Chassis Configuration (CLI
Procedure) ...................................................236
Remove, Repair, and Reinstall the Same Switch . . . . . . . . . . . . . . . . . . . . . . 237
Remove a Member Switch, Replace It with a Different Switch, and Reapply
theOldConfiguration........................................237
Remove a Member Switch and Make Its Member ID Available for
Reassignment to a Different Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Copyright © 2015, Juniper Networks, Inc.vi
EX4200 Switch Hardware Guide

Chapter 22 Maintaining and Replacing Virtual Chassis Cable . . . . . . . . . . . . . . . . . . . . . 241
Connecting a Virtual Chassis Cable to an EX4200 Switch . . . . . . . . . . . . . . . . . . 241
Disconnecting a Virtual Chassis Cable from an EX4200 Switch . . . . . . . . . . . . . 242
Chapter 23 Contacting Customer Support and Returning the Chassis or
Components ....................................................245
Returning an EX4200 Switch or Component for Repair or Replacement . . . . . . 245
Locating the Serial Number on an EX4200 Switch or Component . . . . . . . . . . . 246
Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 246
Locating the Chassis Serial Number ID Label on an EX4200 Switch . . . . . . 246
Locating the Serial Number ID Labels on FRUs in an EX4200 Switch . . . . . 247
Contacting Customer Support to Obtain Return Materials Authorization for
Switches .....................................................247
Packing an EX4200 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 249
Packing an EX4200 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Packing EX4200 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . . 251
Part 5 Troubleshooting
Chapter24 AlarmsandSyslogMessages......................................255
Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . 255
Checking Active Alarms with the J-Web Interface . . . . . . . . . . . . . . . . . . . . . . . . 256
MonitoringSystemLogMessages.....................................257
Chapter 25 Troubleshooting Switch Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Troubleshooting Network Interfaces on EX4200 Switches . . . . . . . . . . . . . . . . . 261
The interface on the port in which an SFP or SFP+ transceiver is installed is
down.....................................................261
Troubleshooting Virtual Chassis Port Connectivity on an EX4200 Switch . . . . . 262
Virtual Chassis port (VCP) connection does not work . . . . . . . . . . . . . . . . . 262
Troubleshooting Power Supply Installation Alarms on EX4200 Switches . . . . . 262
The Switch Displays the “Unsupported PSU” Alarm . . . . . . . . . . . . . . . . . . . 262
Part 6 Safety and Compliance Information
Chapter 26 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
QualifiedPersonnelWarning.........................................270
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Chapter27 FireSafetyRequirements.........................................273
FireSafetyRequirements............................................273
Chapter 28 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 275
InstallationInstructionsWarning......................................275
Chassis Lifting Guidelines for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 277
RestrictedAccessWarning..........................................278
RampWarning....................................................279
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 280
Wall-Mounting Warning for EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 284
viiCopyright © 2015, Juniper Networks, Inc.
Table of Contents

GroundedEquipmentWarning.......................................284
Chapter 29 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . 287
Laser and LED Safety Guidelines and Warnings for Switches . . . . . . . . . . . . . . . 287
GeneralLaserSafetyGuidelines...................................287
Class1LaserProductWarning....................................288
Class1LEDProductWarning.....................................288
LaserBeamWarning...........................................289
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Chapter 30 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . 293
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 293
BatteryHandlingWarning.......................................293
JewelryRemovalWarning.......................................294
LightningActivityWarning.......................................295
OperatingTemperatureWarning..................................296
ProductDisposalWarning.......................................297
Chapter 31 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 299
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 299
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
ACPowerDisconnectionWarning.....................................305
DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
DCPowerDisconnectionWarning....................................308
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 309
DCPowerWiringSequenceWarning...................................310
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 314
TNPowerWarning.................................................314
Chapter 32 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 317
Agency Approvals for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Compliance Statements for EMC Requirements for EX Series Switches . . . . . . . 318
Canada.......................................................318
EuropeanCommunity...........................................319
Israel.........................................................319
Japan ........................................................319
Korea........................................................320
UnitedStates .................................................320
FCCPart15Statement..........................................320
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Compliance Statements for Acoustic Noise for EX Series Switches . . . . . . . . . . 322
Copyright © 2015, Juniper Networks, Inc.viii
EX4200 Switch Hardware Guide

List of Figures
Part 1 Overview
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 1: EX4200 Switch with 48 Gigabit Ethernet Ports . . . . . . . . . . . . . . . . . . . . . 11
Figure 2: EX4200 Switch with 24 Gigabit Ethernet Ports . . . . . . . . . . . . . . . . . . . . . 11
Figure 3: EX4200-24F Switch with 24 SFP Ports . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure4:EX4200SwitchRearPanel....................................13
Figure5:LCDPanel..................................................13
Figure6:SFPUplinkModule..........................................19
Figure 7: SFP+ and SFP+ MACsec Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure8:XFPUplinkModule...........................................21
Figure 9: Chassis Status LEDs in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 10: LEDs on the Management Port on an EX4200 Switch . . . . . . . . . . . . . 24
Figure 11: LEDs on the Network Ports on the Front Panel . . . . . . . . . . . . . . . . . . . . 25
Figure 12: LEDs on the Uplink Module Ports on the SFP Uplink Module . . . . . . . . . 25
Figure 13: LEDs on the Uplink Module Ports on the SFP+ and SFP+ MACsec Uplink
Modules.......................................................26
Figure 14: LEDs on the Uplink Module Ports on the XFP Uplink Module . . . . . . . . 26
Chapter3 CoolingSystemandAirflow.........................................31
Figure 15: Fan Tray Used in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 16: Airflow Through the EX4200 Switch Chassis . . . . . . . . . . . . . . . . . . . . . 32
Chapter4 Power Supplies...................................................33
Figure17:320WACPowerSupply.....................................34
Figure 18: 600 W and 930 W AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure19:DCPowerSupply...........................................36
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................61
Figure 20: Clearance Requirements for Airflow and Hardware Maintenance for
EX4200Switches...............................................72
Figure 21: Airflow Through the EX4200 Switch Chassis . . . . . . . . . . . . . . . . . . . . . 72
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure22:ACPlugTypes..............................................77
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 23: SFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . 118
Chapter10 PlanningtheVirtualChassis.......................................143
ixCopyright © 2015, Juniper Networks, Inc.

Figure 24: EX4200 Switches Mounted on a Single Rack and Connected in a Ring
Topology Using Short and Long Cables: Option 1 . . . . . . . . . . . . . . . . . . . . . 149
Figure 25: EX4200 Switches Mounted on a Single Rack and Connected in a Ring
Topology Using Short and Long Cables: Option 2 . . . . . . . . . . . . . . . . . . . . . 149
Figure 26: EX4200 Switches Mounted on a Single Rack and Connected in a Ring
Topology Using Short and Medium Cables . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 27: EX4200 Switches Mounted on Adjacent Racks and Connected in a
Ring Topology Using Medium and Long Cables: Option 1 . . . . . . . . . . . . . . . 150
Figure 28: EX4200 Switches Mounted on Adjacent Racks and Connected in a
Ring Topology Using Medium and Long Cables: Option 2 . . . . . . . . . . . . . . . 150
Part 3 Initial Installation and Configuration
Chapter11 UnpackingtheSwitch.............................................153
Figure 29: Unpacking an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Chapter12 InstallingtheSwitch..............................................157
Figure 30: Attaching Rubber Feet to an EX4200 Switch Chassis . . . . . . . . . . . . 160
Figure 31: Attaching the Mounting Bracket to the Side Panel of the Switch . . . . . 161
Figure 32: Mounting the Switch on Two Posts in a Rack . . . . . . . . . . . . . . . . . . . . 162
Figure 33: Attaching the Front-Mounting Bracket to the Side Mounting-Rail . . . 164
Figure 34: Attaching the Side Mounting-Rail to the Switch Chassis . . . . . . . . . . 165
Figure 35: Mounting the Switch to the Front Posts in a Rack . . . . . . . . . . . . . . . . 165
Figure 36: Sliding the Rear Mounting-Blades into the Side-Mounting Rail . . . . . 166
Figure 37: Attaching Wall-Mount Brackets to the Switch Chassis . . . . . . . . . . . . 168
Figure 38: Mounting the Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 39: Connecting the Grounding Lug to a Switch Mounted on Four Posts of
aRack........................................................175
Figure 40: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . . 176
Figure 41: Connecting the AC Power Cord Retainer Clip to an AC Power Supply
inanEX4200Switch............................................179
Figure 42: Connecting an AC Power Cord to an AC Power Supply in an EX4200
Switch .......................................................179
Figure 43: DC Power Supply in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 44: Removing the Terminal Block Cover from a DC Power Supply . . . . . . . 181
Figure 45: Securing Ring Lugs to the Terminals on the DC Power Supply . . . . . . 182
Chapter 14 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Figure46:EthernetCableConnector...................................185
Figure 47: Connecting a Switch to a Network for Out-of-Band Management . . . 186
Figure48:EthernetCableConnector...................................187
Figure 49: Connecting a Switch to a Management Console Through a Console
Server........................................................188
Figure 50: Connecting a Switch Directly to a Management Console . . . . . . . . . . 188
Figure 51: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
aSwitch......................................................189
Chapter 15 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Copyright © 2015, Juniper Networks, Inc.x
EX4200 Switch Hardware Guide

Figure 52: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200
Switch .......................................................199
Figure 53: LCD Panel in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Part 4 Installing, Maintaining, and Replacing Components
Chapter 16 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Figure 54: Installing a Fan Tray in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . 208
Figure 55: Removing a Fan Tray from an EX4200 Switch . . . . . . . . . . . . . . . . . . 209
Chapter17 ReplacingPowerSupply...........................................211
Figure 56: Installing a Power Supply in an EX4200 Switch . . . . . . . . . . . . . . . . . . 212
Figure 57: Removing a Power Supply from the Switch . . . . . . . . . . . . . . . . . . . . . 214
Chapter18 ReplacingUplinkModule..........................................215
Figure 58: Installing an Uplink Module in an EX4200 Switch . . . . . . . . . . . . . . . . 217
Figure 59: Sliding the Screwdriver to the Narrow Part of the Keyhole . . . . . . . . . 219
Figure 60: Removing an Uplink Module from an EX4200 Switch . . . . . . . . . . . . . 219
Chapter19 ReplacingTransceiver.............................................221
Figure 61: Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . . 223
Figure 62: Removing a Transceiver from a Switch . . . . . . . . . . . . . . . . . . . . . . . . 225
Chapter 20 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 227
Figure 63: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
aSwitch......................................................228
Chapter 22 Maintaining and Replacing Virtual Chassis Cable . . . . . . . . . . . . . . . . . . . . . 241
Figure 64: Connecting a Virtual Chassis Cable to an EX4200 Switch . . . . . . . . . 242
Figure 65: Virtual Chassis Cable Connector in an EX4200 Switch . . . . . . . . . . . . 243
Chapter 23 Contacting Customer Support and Returning the Chassis or
Components ....................................................245
Figure 66: Location of the Serial Number ID Label on an EX4200 Switch . . . . . 247
Part 6 Safety and Compliance Information
Chapter 31 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Figure 67: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 302
xiCopyright © 2015, Juniper Networks, Inc.
List of Figures

Copyright © 2015, Juniper Networks, Inc.xii
EX4200 Switch Hardware Guide

List of Tables
AbouttheDocumentation.........................................xvii
Table1:NoticeIcons................................................xviii
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Part 1 Overview
Chapter1 SystemOverview...................................................3
Table3:EX4200SwitchModels........................................5
Table 4: CLI Equivalents of Terms Used in Documentation for EX4200
Switches .......................................................7
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 5: Physical Specifications of the Switch Chassis . . . . . . . . . . . . . . . . . . . . . . 9
Table6:LCDPanelMenuOptions......................................15
Table 7: Chassis Status LEDs in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 8: Link/Activity LED on the Management Port on EX4200 Switches . . . . . . 24
Table 9: Status LED on the Management Port on EX4200 Switches . . . . . . . . . . 24
Table 10: Link/Activity LED on Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table11:StatusLEDonNetworkPorts..................................28
Chapter4 Power Supplies...................................................33
Table 12: Power Supply Rating and PoE Power Budget for EX4200 Switch
Models........................................................36
Table13:ACPowerSupplyLEDs.......................................37
Table14:DCPowerSupplyLEDs.......................................38
Chapter5 Viewing System Information.......................................39
Table 15: Details of a Virtual Chassis Member Switch . . . . . . . . . . . . . . . . . . . . . . 40
Table 16: Status of a Member Switch in a Virtual Chassis . . . . . . . . . . . . . . . . . . . 40
Table17:SystemInformation..........................................41
Table18:HealthStatus..............................................43
Table19:CapacityUtilization..........................................45
Table 20: Chassis Viewer for EX2200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 21: Chassis Viewer for EX2200-C Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Table 22: Chassis Viewer for EX3200, EX3300, and EX4200 Switches . . . . . . . . 47
Table 23: Chassis Viewer for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 24: Chassis Viewer for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Table 25: Chassis Viewer for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 26: Chassis Viewer for EX6210 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table 27: Chassis Viewer for EX8208 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table 28: Chassis Viewer for EX8216 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 29: Chassis Viewer for XRE200 External Routing Engines . . . . . . . . . . . . . . 55
xiiiCopyright © 2015, Juniper Networks, Inc.

Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................61
Table30:SitePreparationChecklist....................................61
Table 31: EX Series Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 63
Table 32: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 33: Rack Requirements and Specifications for the Switch . . . . . . . . . . . . . 69
Table 34: Cabinet Requirements and Specifications for the Switch . . . . . . . . . . . 70
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 35: AC Power Supply Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . 75
Table 36: DC Power Supply Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . 75
Table 37: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 38: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 79
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Table 39: Optical interface Support and Copper Interface Support for Gigabit
Ethernet SFP Transceivers in EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . 83
Table 40: Optical interface Support for Fast Ethernet SFP Transceivers in EX4200
Switches .....................................................102
Table 41: Optical interface Support for Gigabit Ethernet SFP+ Transceivers in
EX4200Switches..............................................108
Table 42: Optical interface Support for Gigabit Ethernet XFP Transceivers in
EX4200Switches...............................................113
Table 43: Software Support for SFP+ Passive Direct Attach Cables for EX Series
Switches......................................................118
Table 44: SFP+ Direct Attach Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . 120
Chapter9 PinoutSpecifications.............................................125
Table 45: EX Series Switches Console Port Connector Pinout Information . . . . . 125
Table 46: Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . 127
Table 47: Network Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . 128
Table 48: RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . 129
Table 49: Uplink Modules Connector Pinout Information . . . . . . . . . . . . . . . . . . . 130
Table 50: Virtual Chassis Ports (VCPs) Connector Pinout Information . . . . . . . . 138
Chapter10 PlanningtheVirtualChassis.......................................143
Table 51: Number of Switches and Switch Roles for an EX4200 Virtual Chassis,
perJunosOSRelease...........................................144
Table 52: Number of Switches and Switch Roles for an EX4500 Virtual Chassis,
perJunosOSRelease...........................................145
Table 53: Number of Switches and Switch Roles for an EX4550 Virtual Chassis,
perJunosOSRelease...........................................145
Table 54: Number of Switches and Switch Roles for a Mixed EX4200, EX4500,
and EX4550 Virtual Chassis, per Junos OS Release . . . . . . . . . . . . . . . . . . . 145
Table 55: Virtual Chassis Components to Consider When Planning an EX4200,
EX4500, and EX4550 Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Table 56: Cabling Requirements for a Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . 147
Copyright © 2015, Juniper Networks, Inc.xiv
EX4200 Switch Hardware Guide

Part 3 Initial Installation and Configuration
Chapter11 UnpackingtheSwitch.............................................153
Table 57: Packing List for an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Table 58: Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground .......................................................172
Table 59: Special Instructions to Follow Before Connecting Earth Ground to a
Switch........................................................174
Part 5 Troubleshooting
Chapter24 AlarmsandSyslogMessages......................................255
Table60:AlarmTerms..............................................255
Table 61: Summary of Key Alarm Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Table 62: Filtering System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Table 63: Viewing System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
xvCopyright © 2015, Juniper Networks, Inc.
List of Tables

Copyright © 2015, Juniper Networks, Inc.xvi
EX4200 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:
•EX4200
Documentation Conventions
Table 1 on page xviii defines notice icons used in this guide.
xviiCopyright © 2015, 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 © 2015, Juniper Networks, Inc.xviii
EX4200 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/.
xixCopyright © 2015, Juniper Networks, Inc.
About the Documentation

•E-mail—Send your comments to [e-mail]. Include the document
or topic name, URL or page number, and software version (if applicable).
Requesting Technical Support
Technical product support is available through the Juniper Networks Technical Assistance
Center (JTAC). If you are a customer with an active J-Care or Partner Support Service
support contract, or are covered under warranty, and need post-sales technical support,
you can access our tools and resources online or open a case with JTAC.
•JTAC policies—For a complete understanding of our JTAC procedures and policies,
review the JTAC User Guide located at
http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.
•Product warranties—For product warranty information, visit
http://www.juniper.net/support/warranty/.
•JTAC hours of operation—The JTAC centers have resources available 24 hours a day,
7 days a week, 365 days a year.
Self-Help Online Tools and Resources
For quick and easy problem resolution, Juniper Networks has designed an online
self-service portal called the Customer Support Center (CSC) that provides you with the
following features:
•Find CSC offerings: http://www.juniper.net/customers/support/
•Search for known bugs: http://www2.juniper.net/kb/
•Find product documentation: http://www.juniper.net/techpubs/
•Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/
•Download the latest versions of software and review release notes:
http://www.juniper.net/customers/csc/software/
•Search technical bulletins for relevant hardware and software notifications:
http://kb.juniper.net/InfoCenter/
•Join and participate in the Juniper Networks Community Forum:
http://www.juniper.net/company/communities/
•Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/
To verify service entitlement by product serial number, use our Serial Number Entitlement
(SNE) Tool: https://tools.juniper.net/SerialNumberEntitlementSearch/
Opening a Case with JTAC
You can open a case with JTAC on the Web or by telephone.
•Use the Case Management tool in the CSC at http://www.juniper.net/cm/.
•Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).
Copyright © 2015, Juniper Networks, Inc.xx
EX4200 Switch Hardware Guide