3Com NJ220 manual Connecting Devices to, IntelliJack, Checking the LEDs, Description

Checking the LEDs 13

5Plug the local power supply into the power source.

WARNING: Use the local power supply available from 3Com. Failure to do so may result in damage to the IntelliJack, or may result in a hazardous situation.

Connecting Devices to	After the IntelliJack is installed and mounted, connect your networking devices
the IntelliJack	(such as computers, printers, etc.) to any of the four switched ports on the front of
	the IntelliJack.
	If you installed the adapter plate with pass-through ports, connect the appropriate
	device(s) to the port(s).
Checking the LEDs	You can verify the IntelliJack installation by checking the LEDs.
	LED		Description
			n On—The IntelliJack is connected to the network and a link has
			been established.
			n Off—There is no connection to the network.
		(LAN)

	n	On—The IntelliJack is receiving power (local or via the network).
		When you first connect power to the IntelliJack, there will be a
		delay of approximately 5 seconds. The power LED light will blink
		several times before remaining solid on.
(Power)	n	Off—The IntelliJack is not receiving power.

Additionally, each of the switched ports has a green LED which lights when a device is connected. Port 1 also has an amber LED which lights when the IntelliJack is forwarding power to a connected device.