Checking The Leds - 3Com IntelliJack NJ240FX User Manual

Checking the LEDs

You can verify the NJ240FX installation by checking the LEDs.
LED Description
n
n
(LAN)
n
(Power)
n
n
n
(Power-forwarding)
4, 3, 2, 1
n
PAN PORTS
n
On—the IntelliJack is connected to the network and a link has
been established.
Off—there is no connection to the network.
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.
Off—the IntelliJack is not receiving power.
On—the IntelliJack is connected to and is forwarding power to
an IEEE 802.3af-compliant device.
Off—the IntelliJack is not connected to or is not forwarding
power to an IEEE 802.3af-compliant device.
On—a device is connected to the IntelliJack switch and a link has
been established.
Off—no link has been established.
Checking the LEDs 9