ControlWave Instruction Manual (CI-ControlWave)
5-30
Service & Troubleshooting
Revised Nov-2010
functioning), you must reconnect (using a now validated port)
and test the remaining untested port.
Test Procedure
Use this procedure to test the comm ports.
1.
Connect an external loop-back plug to the port on the CPU or
SCB port you want to test. Valid ports are:
J2 of CPU board for COM1
J3 of CPU board for COM2
J2 of SCB board for COM3
J3 of SCB board for COM4
2.
Select
Communications
on the WINDIAG Main Diagnostics
Menu. The Communications Diagnostic screen opens:
Figure 5-23. Communications Diagnostic Menu
3.
Enter
5
in the Number of Passes field.
4.
Select a port to test (click
to display all available ports).
Note
:
The port you select must correlate to the port on which you
placed the loop-back plug in step 1.
5.
Select
115200
or
ALL ASYNC
as the baud rate (click
to
display all available rates).
6.
Click
RUN
to start the test. At the completion of the test (which
generally takes about 5 seconds), any failed results appear in the
Status field to the right of the RUN button:
TXD RXD Failure
CTS RTS Failure
