3com nj225 User Guide
Checking the LEDs
13
Checking the LEDs
You can verify the NJ225 installation by checking the LEDs.
LED
Description
(LAN)
n
On—the IntelliJack is connected to the network and a link has
been established.
been established.
n
Off—there is no connection to the network.
(Power)
n
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.
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.
n
Off—the IntelliJack is not receiving power.
(Power-forwarding)
n
On—the IntelliJack is connected to and is forwarding power to
an IEEE 802.3af-compliant device.
an IEEE 802.3af-compliant device.
n
Off—the IntelliJack is not connected to or is not forwarding
power to an IEEE 802.3af-compliant device.
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.
cable is configured as a standard MDI-X port.