3Com 3CNJ205 manual Troubleshooting Matrix, Event Message Description Solution

Troubleshooting

Troubleshooting Matrix

Event/
Message	Description	Solution
Power LED is	IntelliJack is not receiving	Ensure power supply is
not on	power	properly 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.
Link LED is	IntelliJack has no	n	Make sure network
not on	connection to the		cable is properly
	network		terminated.
		n	Make sure the
			IntelliJack is
			connected to the
			network.
		n Make sure the cable
			is plugged into the
			workgroup switch.
Green LEDs	Network device has no	n Make sure the cable
on Ports 1-4	connection to IntelliJack		is properly
are not on			connected to the
			network device.

n Make sure the cable is firmly connected to one of the four IntelliJack ports labeled 1-4.

n Make sure the cable is a good straight- through cable.

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