Juniper EX4300 Series User Manual

Maintain Transceivers | 309
Remove a Transceiver | 309
Install a Transceiver | 312
Maintain Fiber-Opc Cables | 315
Connect a Fiber-Opc Cable | 315
Disconnect a Fiber-Opc Cable | 316
How to Handle Fiber-Opc Cables | 317
5
Troubleshoong Hardware
Troubleshoong the EX4300 Components | 320
Understand Alarm Types and Severity Levels on EX Series Switches | 320
Chassis Component Alarm Condions on EX4300 Switches | 322
Check Acve Alarms with the J-Web Interface | 325
Monitor System Log Messages | 326
Troubleshoong PoE Voltage Injecon Failure in EX2300, EX3400, or EX4300 Switch Models
with PoE Capability | 333
Troubleshoot Temperature Alarms in EX Series Switches | 334
6
Contacng Customer Support and Returning the Chassis or Components
Returning an EX4300 Chassis or Components | 342
Returning an EX4300 Switch or Component for Repair or Replacement | 342
Locang the Serial Number on an EX4300 Switch or Component | 343
Lisng the Switch and Components Details with the CLI | 343
Locang the Chassis Serial Number ID Label on an EX4300 Switch | 344
Locang the Serial Number ID Labels on FRUs in an EX4300 Switch | 346
Contact Customer Support to Obtain a Return Material Authorizaon | 353
Packing an EX4300 Switch or Component for Shipping | 354
Packing an EX4300 Switch for Shipping | 354
Packing EX4300 Switch Components for Shipping | 356
7
Safety and Compliance
Informaon
vii

Juniper EX4300 Series Specifications

General

Brand	Juniper
Model	EX4300 Series
Category	Switch
Language	English