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Diagnostic Tools
Serial Test Error Codes
The 1100 series of Diagnostic error codes identifies failures with serial/parallel interface board
or system board functions. Corrective action may require replacement of the serial/parallel
interface board or the system board assembly.
Error Code
1101-xx
1109-xx
Modem Communications Test Error Codes
The 1200 series of Diagnostic error codes identifies failures with the modem(s). Corrective
action may require replacement of the modem(s).
Error Code
1201-xx
1202-xx
1203-xx
1204-xx
1206-xx
1210-xx
Serial Test Error Codes
Description
Serial port test failed.
Clock register test failed.
Modem Communications Test Error Codes
Description
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.
Table 3-9
The following steps apply to error codes
1101-xx and 1109-xx:
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.
Table 3-10
The following steps apply to error codes
1201-xx through 1210-xx:
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.
Recommended Action
Recommended Action