D-Link DFE-500TX - Manual (Page 17)

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Troubleshooting
If you experience any problems with the adapter, first ascertain that the
appropriate driver is loaded, that the proper grade of cable is employed for the
network connection, and that the supporting hub is properly qualified for the
application (such as 10BASE-T or 100Base-TX).
The DFE-500TX Adapter features five LED indicators:
•
100Mbps/10Mbps SPEED SELECTION
This LED shows steady green when 100Mbps speed is selected. It is dark
(off) when 10Mbps is selected.
•
FULL/HALF DUPLEX SELECTION
Steady green indicates Full Duplex operation selected. Dark when Half
Duplex operation is selected.
•
LINK
Steady green indicates good linkage between the DFE-500TX and its
supporting hub.
•
ACTIVE
Flashing green indicates that the adapter is transmitting or receiving.
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COLLISION
Intermittent yellow indicates data collisions the network. Intermittent
flashing of the collision LED is normal.
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