Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . 184
Connecting AC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Connecting DC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . 193
Connecting a Device to a Management Console by Using an RJ-45
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Connecting an EX Series Switch to a ManagementConsole by Using the Mini-USB
Type-B Console Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Connecting EX Series Switches in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . 198
Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . 199
Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Valid Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Cabling QFX3500 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 201
Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 203
Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
EX4300 Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Connecting and Configuring an EX Series Switch (CLI Procedure) . . . . . . . . . . . 215
Connecting and Configuring an EX Series Switch (J-Web Procedure) . . . . . . . . . 218
Configuring the LCD Panel on EX Series Switches (CLI Procedure) . . . . . . . . . . . 223
Disabling or Enabling Menus and Menu Options on the LCD Panel . . . . . . . 223
Configuring a Custom Display Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Part 4 Installing, Maintaining, and Replacing Components
Chapter 15 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Installing a Fan Module in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Removing a Fan Module from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 231
Chapter 16 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Installing an AC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 233
Removing an AC Power Supply from an EX4300 Switch . . . . . . . . . . . . . . . . . . . 235
Installing a DC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 236
Removing a DC Power Supply from an EX4300 Switch . . . . . . . . . . . . . . . . . . . 238
Chapter 17 Replacing Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Installing an Uplink Module in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 241
Removing an Uplink Module from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . 243
Chapter 18 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Removing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Chapter 19 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 253
Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . 254
Maintaining Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Copyright © 2017, Juniper Networks, Inc.vi
EX4300 Switch Hardware Guide
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