Introduction 7
LED indicators
The NC375T adapter has four auto-negotiating 10/100/1000 RJ-45 ports. LED indicators show activity,
link, and port speed. Standard-height and low-profile brackets with RJ-45 ports and LED indicators are
shown below.
The LED indicators operate as described in the following table.
LED indicator Status
Description
ACT
On
The adapter is receiving power and the cable
connection is working.
Off
The adapter is not receiving power or the cable
connection is faulty.
Flashing The adapter is sending or receiving network
data at 10/100/1000 Mbps, as indicated by
the Link/Speed LED. The adapter is receiving
power, and the cable connection is working.
LNK/Speed
Off
The link to the adapter is established, and the
adapter is connected at 10 Mbps.
Green
The link to the adapter is established, and the
adapter is connected at 100 Mbps.
Orange The link to the adapter is established, and the
adapter is connected at 1000 Mbps.
