Black Box LPJ008A-F User Manual

724-746-5500 | blackbox.com

Page 23

Chapter 6: Troubleshooting

6. Troubleshooting

If you have problems with the PoE Gigabit Injector, verify the following:

NOTE: The troubleshooting solutions provided can only solve minor problems. If your problem is not listed, contact Black Box

Technical Support at 724-746-5500. All up-to-date contact information can be found on our Web site,
www.blackbox.com.

Problems/Solutions

Problem: PoE Gigabit Injector does not power up.

Possible Solution #1: Make sure the AC power cord is connected.

Possible Solution #2: Make sure the AC power cord is in good condition.

Possble Solution #3: If solutions 1 and 2 do not solve the problem, then disconnect the AC power cord and reconnect. Observe

Port LEDs to verify proper power up.

Problem: AC LED is not lit.

Possible Solution: Verify that the PoE Gigabit Injector is properly connected to an AC power source.

Problem: Port LEDs do not light green.

Possible Solution #1: Port may be disabled and needs to be enabled using the GUI. Make sure the ports are enabled, then

“Save Flash Parameters.”

Possible Solution #2: Make sure the ports are connected to a network.

Problem: The GUI window does not update port status.

Possible Solution: Click “System Reset” and wait for the system to reboot.

Other Problems: Please verify the following:

1. Power is applied to the PoE Gigabit Injector.

2. The network Ethernet cable is connected to the Data port.

3. The powered device’s Ethernet cable is connected to the Data and Power port.

4. Make sure you are using straight-pinned Ethernet cable; do not use crossover-type Ethernet cable.

5. Cable pairs are connected to corresponding ports.