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Serial Test Error Codes
The 1100 series of Diagnostic error codes identifies failures with serial/parallel interface board
or system board functions.
Table 3-9
Serial Test Error Codes
Error Code Description Recommended Action
1101-xx
1109-xx
Serial port test failed.
Clock register test failed.
1. Check the switch settings on the
Serial/Parallel Interface board (if applicable)
and retest.
2. Replace the Serial/Parallel Interface board (if
applicable) and retest.
3. Replace the system board and retest.
Modem Communications Test Error Codes
The 1200 series of Diagnostic error codes identifies failures with the modem(s).
Table 3-10
Modem Communications Test Error Codes
Error Code Description Recommended Action
1201-xx
1202-xx
1203-xx
1204-xx
1206-xx
1210-xx
Modem internal loopback test failed.
Modem time-out test failed.
Modem external termination test failed.
Modem auto originate test failed.
Dial multi-frequency tone test failed.
Modem direct connect test failed.
1. Refer to the modem documentation for
correct setup procedures and retest.
2. Check the modem line and retest.
3. Replace the modem and retest.