if you experience any problems with the adapter, first confirm that the appropriate driver is loaded; that the proper grade of cable is employed for the network connection; and that the switch it is connected to is properly qualified for the application (such as 1000base-sx). the 1000mbps gigabit ethernet card features four led indicators:

    1?link

    steady green indicates good linkage between the 1000mbps gigabit ethernet card and its supporting server or switch.

    2?1000m

    the led indicator lights green when a 1000 mbps device is connected to the adapter.

    3?fdx

    steady green indicates the adapter is operating in full-duplex mode.

    4?tx/rx

    flashing green indicates activity (transmitting or receiving) on the line.