HP NC112T PCI Express Gigabit Server Adapter - Manual (Page 7)

Introduction 7
The NC112T LED indicators operate as described in the following table.
LED indicator Status Description
Activity/Link On This mono-color green LED indicates that the
link to the adapter is established. The adapter is
receiving power and the cable connection is
working.
Off No link to the adapter is established. The
adapter is not receiving power or the cable
connection is faulty.
Flashing The adapter is sending or receiving network
data at 10/100/1000Mbps, as indicated by
the 10/100/1000 (speed) LED. The adapter is
receiving power, and the cable connection is
working.
Speed Off The adapter is connected at 10Mbps.
Green The adapter is connected at 100Mbps.
Yellow The adapter is connected at 1000Mbps.