Owner's manual

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.