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Troubleshooting the NJ220
If you encounter problems with the 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.
■The local power supply is plugged into the IntelliJack and into a working electrical outlet, if your network does not support Power Over Ethernet.
■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.
■The IntelliJack is configured for manual MDI. Be sure to use a
Troubleshooting Matrix
Event/Message | Description | Solution |
|
|
|
Power LED is not on | IntelliJack is not receiving | ■ Ensure power supply is properly |
| power | connected. |
|
| ■ For power over Ethernet, make sure |
|
| that the cable is connected to both |
|
| the LAN port on the back of the |
|
| IntelliJack and to the workgroup |
|
| switch. |
|
| ■ Make sure the upstream switch is |
|
| configured and active |
|
|
|
Link LED is not on | IntelliJack has no connection | ■ Make sure network cable is properly |
| to the network | terminated. |
|
| ■ Make sure the IntelliJack is connected |
|
| to the network. |
|
| ■ Make sure the cable is plugged into |
|
| the workgroup switch. |
|
| ■ Make sure the upstream switch is |
|
| configured and active |
|
|
|
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