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Troubleshooting

If you encounter problems with the NJ205 IntelliJack:

■Verify the IntelliJack is receiving power by viewing the Power LED (it should be on). If the Power LED is not on, make sure that:

■(If using Power Over Ethernet) the other end of the network cable is plugged into a switch on the network that has Power Over Ethernet integrated into it, or one that feeds into an external midspan power supply that supports Power Over Ethernet.

■(If using a local power supply) the power supply is plugged into the IntelliJack and into a working electrical outlet.

■Verify the IntelliJack is connected to the network properly by viewing the Link LED (it should be on). If the Link LED is not on, make sure the network cable:

■Is terminated properly. Refer to the connector manufacturer’s instructions for terminating the cable. Be sure to test the connector and verify it is working.

■

■

Has a valid connection to the network.

Adheres to proper length and cabling specifications for your network.

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3Com 3CNJ205 manual Troubleshooting