3Com NJ240FX manual Led

Checking the LEDs 9

Checking the LEDs You can verify the NJ240FX 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 switch is receiving power. When you first
		connect power to the IntelliJack, there is a delay of
		approximately 5 seconds. The power LED light blinks once or
		twice before remaining solid on.
(Power)
		n Off—the IntelliJack is not receiving power.
		n On—the IntelliJack is connected to and is forwarding power to
		an IEEE 802.3af-compliant device.
		n Off—the IntelliJack is not connected to or is not forwarding
(Power-forwarding)		power to an IEEE 802.3af-compliant device.
4, 3, 2, 1		n On—a device is connected to the IntelliJack switch and a link has
PAN PORTS		been established.
		n Off—no link has been established.