HP NC550SFP Dual Port 10GbE Server Adapter UG

Introduction 7
LED indicator Status Description
Act. Off Indicates no network activity on the link.
Flashing
(Green)
Indicates network activity on the link. The
adapter is sending or receiving network
data at up to 10Gbps.
Link Off
No link to the adapter is established.
The adapter is not receiving power or
the cable connection is faulty.
On (Yellow)
Link to the adapter is established. The
adapter is receiving power and the
cable connection is good.