D-Link 32-bit PCI Fast Ethernet Network Adapter DFE-520TX - Troubleshooting and Indicators; LED Indicators

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Troubleshooting
If you experience any problems with the adapter, check to see:
• that the appropriate driver is loaded;
• that the proper grade of cable is employed for the network connection;
• that the supporting hub is properly qualified for the application.
The DFE-520TX Adapter features one LED indicators:
• Link/Activity – Steady green indicates good linkage between the DFE-520TX and its
supporting server or switch. Flashing green indicates activity (transmitting or receiving) within
the adapter.