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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