Troubleshooting Poe Voltage Injection Failure In Ex2300, Ex3400, Or Ex4300 Switch Models With Poe Capability - Juniper EX2300 Series Hardware Manual

Troubleshooting PoE Voltage Injection Failure in EX2300, EX3400, or
EX4300 Switch Models with PoE Capability
IN THIS SECTION
Problem | 243
Solution | 243
Problem
Description
Devices that draw power from EX2300, EX3400, or EX4300 switch models with Power over Ethernet
(PoE) capability do not get power from those switches. The problem persists after rebooting the
switches or upgrading to the latest version of Junos OS.
Environment
EX2300, EX3400, or EX4300 switch models with PoE capability are connected to EX2200, EX3200, or
EX4200 switch models with PoE capability by using RJ-45 network ports.
Solution
When you connect EX2300, EX3400, or EX4300 switch models with PoE capability to EX2200,
EX3200, or EX4200 switch models with PoE capability by using RJ-45 network ports, disable PoE on all
the RJ-45 network ports used to connect the switches using the command:
user@device> set poe interface interface-name disable
SEE ALSO
Understanding PoE on EX Series Switches
243