User`s guide

D-Link DFE-550TX Ethernet Adapter
Verification/Diagnostic Program
This test program verifies configuration of the DFE-550TX as set by the installation procedure, and assists
with isolation of any faults in operation. Verification and testing procedures are optional, and will only be
useful in the unusual event that there is a fault, such as an interrupt number conflict among your computer
expansion cards. If your installation provides normal operation, you might choose to skip these procedures.
The Verification/Diagnostic Program provides two levels of testing: adapter function testing and network
operation testing. Adapter testing includes a variety of diagnostic procedures.
Adapter testing does not require substitution of a loopback cable. All procedures of the Adapter test may be
carried out with the network cable connection in place.
For the network operation test, the cable connecting your station with its supporting hub must be in place.
Network testing involves the broadcast transmission of test packets from the primary station. The test
cannot be fully implemented unless a second station on the LAN is available to the network operation test,
in order to return the test packets to the primary station.
To run the Verification/Diagnostic Program, proceed with these steps:
Adapter Function Test
1. Insert the DFE-550TX Software CD-ROM in an available drive (here shown as drive A). At the DOS
prompt (here shown as
>
), key in:
> A:\DIAG.EXE
and <RETURN>. The opening screen of the Verification/ Diagnostic program will appear.
NOTE:
Read the
README.TXT
, on the CD-ROM, to choose the appropriate diagnostic program
for your operating system.
2. Review the reported configuration data before proceeding to Step 3.
3. The Configuration Data screen also features a Diagnostic Menu. Follow the cues at the foot of the
screen to select and run the Adapter Basic Diagnostic program. The adapter function test results will
appear onscreen. In the Loopback test, test signals are intercepted and reflected at the MAC level
without reaching the network cable. If the results are normal, then go ahead to the Network Operation
test, starting with Step 4.