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A Troubleshooting the NJ240FX
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:
■ The local 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.
■ The IntelliJack is configured for manual MDI. Be sure to use a straight-through cable.
If you want to use a cross-connect cable, you must change settings in the
Configuration Manager software.
Troubleshooting Matrix
Event/Message Description Solution
Power LED is not on IntelliJack is not receiving
power
■ Ensure power supply is properly
connected.
■ Make sure the upstream switch is
configured and active
Link LED is not on IntelliJack has no connection
to the network
■ Make sure network cable is properly
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
Green LEDs on Ports 1-4
are not on
Network device has no
connection to IntelliJack
■ Make sure the cable is properly
connected to the network device.
■ Make sure the cable is firmly
connected to one of the four
IntelliJack ports labeled 1-4.
■ Make sure the cable is a good
straight-through cable.