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Troubleshooting the Analyzer
To troubleshoot serial port failures
To troubleshoot serial port failures
Use this test to check the serial 1 and serial 2 ports on the A42 Memory
assembly.
1 Check the serial port controller.
a Press the following keys:
[System Utility]
[
more]
[
diagnostics]
[
service functions]
1125
[
enter]
[
functional tests]
[
I/O]
[
serial port controller]
b If the serial port test fails, the A42 Memory assembly is probably
faulty.
2 Check the serial 1 and serial 2 ports.
a Connect SERIAL 1 pin 2 to pin 3.
b Connect SERIAL 2 pin 2 to pin 3.
c Press the following keys:
[Return]
[
Return]
[
special test modes]
[
I/O]
[
serial port loop back]
d If the self test fails, the A42 Memory assembly is probably faulty.
If the self test passes, the serial ports are probably operating
correctly.
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