Juniper EX9208 Hardware Guide

Chapter 24 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 263
Connecting a Fiber-Optic Cable to a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Disconnecting a Fiber-Optic Cable from a Switch . . . . . . . . . . . . . . . . . . . . . . . . 264
Maintaining Fiber-Optic Cables in Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Chapter 25 Replacing Cable Management Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Installing Cable Management Brackets on an EX9208 Switch . . . . . . . . . . . . . . 267
Removing Cable Management Brackets from an EX9208 Switch . . . . . . . . . . . 268
Chapter 26 Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Routine Maintenance Procedures for EX9200 Switches . . . . . . . . . . . . . . . . . . . 269
Handling and Storing Line Cards in EX9200 Switches . . . . . . . . . . . . . . . . . . . . 269
Holding a Line Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Storing a Line Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Maintaining Line Card Cables in EX9200 Switches . . . . . . . . . . . . . . . . . . . . . . . 273
Maintaining Power Supplies in EX9200 Switches . . . . . . . . . . . . . . . . . . . . . . . . 273
Maintaining the Air Filter in EX9200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Maintaining Host Subsystem in EX9200 Switches . . . . . . . . . . . . . . . . . . . . . . . . 275
Maintaining the Fan Tray in EX9200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Chapter 27 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Returning an EX9200 Switch or Component for Repair or Replacement . . . . . . 281
Locating the Serial Number on an EX9208 Switch or Component . . . . . . . . . . . 282
Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 282
Locating the Serial Number ID Label on an EX9200 Switch Chassis . . . . . . 284
Locating Serial Number ID Labels on FRU Components . . . . . . . . . . . . . . . 285
Contacting Customer Support to Obtain Return Material Authorization for
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Packing an EX9200 Switch or Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Packing an EX9200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Packing EX9200 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . . 291
Part 5 Troubleshooting
Chapter 28 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Troubleshooting the Cooling System in an EX9200 Switch . . . . . . . . . . . . . . . . 295
Troubleshooting Power Supplies in an EX9200 Switch . . . . . . . . . . . . . . . . . . . . 296
Troubleshooting Line Cards in EX9200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 297
Troubleshooting Traffic Drops on EX9200-6QS Line Cards . . . . . . . . . . . . . . . . 299
Chapter 29 Alarms and System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . . 301
Chassis Component Alarm Conditions on EX9200 Switches . . . . . . . . . . . . . . . 302
Backup Routing Engine Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Monitoring System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Copyright © 2017, Juniper Networks, Inc.viii
EX9208 Switch Hardware Guide

Juniper EX9208 Specifications

General

Brand	Juniper
Model	EX9208
Category	Switch
Language	English