3com nj105 User Guide

Page of 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.