3Com 3CNJ205 Switch User Manual


 
Checking the LEDs
11
Checking the LEDs
You can verify the IntelliJack installation by checking the LEDs.
LED Description
(LAN)
On—the IntelliJack is connected to the network
and a link has been established.
Off—there is no connection to the network.
(Power)
On—the IntelliJack is receiving power (local or
via the network). 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.
(Power-
forwarding)
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.
CAUTION: Make sure the wiring closet port
connected to the IntelliJack white cable is
configured as a standard MDI-X port.