Part 4 Installing, Maintaining, and Replacing Components
Chapter 15 Removing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Powering Off a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Removing a QFX5100 Device from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 195
Chapter 16 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Installing a Fan Module in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Removing a Fan Module from a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . 198
Chapter 17 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Installing and Removing QFX5100 Device Hardware Components . . . . . . . . . . . 201
Installing a Power Supply in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Removing a Power Supply from a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . 204
Chapter 18 Replacing Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Installing an Expansion Module in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . 207
Removing an Expansion Module from a QFX5100 Device . . . . . . . . . . . . . . . . . . 210
Chapter 19 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Removing a Transceiver from a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . 213
Installing a Transceiver in a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Chapter 20 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 219
Disconnecting a Fiber-Optic Cable from a QFX Series Device . . . . . . . . . . . . . . . 219
Connecting a Fiber-Optic Cable to a QFX Series Device . . . . . . . . . . . . . . . . . . . 220
Maintaining Fiber-Optic Cables in a QFX Series Device . . . . . . . . . . . . . . . . . . . . 221
Chapter 21 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Returning a QFX5100 Device or Component for Repair or Replacement . . . . . . 223
Locating the Serial Number on a QFX5100 Device or Component . . . . . . . . . . . 224
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 224
Locating the Chassis Serial Number ID Label on a QFX5100 Switch . . . . . . 225
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . 226
Packing a QFX5100 Device or Component for Shipping . . . . . . . . . . . . . . . . . . . 226
Packing a QFX5100 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Packing QFX5100 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 227
Contacting Customer Support to Obtain a Return Materials Authorization for a
QFX Series Device or Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Part 5 Troubleshooting
Chapter 22 Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Understanding Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Chapter 23 Restoring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Creating an Emergency Boot Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Performing a Recovery Installation Using an Emergency Boot Device . . . . . . . . . 237
Copyright © 2016, Juniper Networks, Inc.vi
QFX5100 Switch Hardware Guide
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