3Com 3CNJ105, User Manual

Page: 15 / 44

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.