Juniper EX2300 Series Hardware Manual page 6

Reverting to the Default Factory Configuration for the EX Series Switch | 179
Reverting to the EX Series Switch Factory-Default Configuration Using the request system
Reverting to the EX Series Switch Factory-Default Configuration Using the load factory-
Reverting to the Factory-Default Configuration Using the EX Series Switch LCD Panel | 182
Reverting to the Factory-Default Configuration Using the Factory Reset/Mode button on
Dashboard for EX Series Switches | 184
4
Maintaining Components
Maintain Transceivers | 217
Remove a Transceiver | 217
Remove a QSFP28 Transceiver | 219
Install a Transceiver | 221
Install a QSFP28 Transceiver | 224
Maintain Fiber-Optic Cables | 226
Connect a Fiber-Optic Cable | 226
Disconnect a Fiber-Optic Cable | 227
How to Handle Fiber-Optic Cables | 228
5 Troubleshooting Hardware
Troubleshooting EX2300 Components | 231
Understand Alarm Types and Severity Levels on EX Series Switches | 231
Chassis Component Alarm Conditions on EX2300 Switches | 233
Check Active Alarms with the J-Web Interface | 235
Monitor System Log Messages | 236
Troubleshooting PoE Voltage Injection Failure in EX2300, EX3400, or EX4300 Switch Models
with PoE Capability | 243
Troubleshooting Storage Issues While Upgrading Junos OS in EX2300 and EX3400 Switches | 244
Troubleshoot Temperature Alarms in EX Series Switches | 246
zeroize Command | 180
default Command | 180
EX2300, EX3400, and EX4300-48MP Switches | 182
vi