Wang 200 Series - Procedure When Loopback Test Fails

2 .4 Troubleshooting
802.3 INTERFACE
2.4.4 Procedure When Loopback Test Fails
1 . Check for proper installation of in-
terface board and correct setting
of jumpers.
CAUTION
Disconnect power before inserting or
removing any board from the PC.
2. Ensure that DOS command format
and all parameters are correct.
3. Verify that jumper settings on
board are not the same as settings
used on other accessory boards in
PC.
4. If installation and jumpers are cor-
rect, replace board.
5. If incorrect installation or an incor-
rect jumper setting was found,
make corrections, re-install board
and run loopback tests again.
6. If board fails again, replace board.
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