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3-36 Diagnostic Tools
Serial Test Error Codes
The 1100 series of Diagnostic error codes identify 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.
1101-xx
1109-xx
Modem Communications Test Error Codes
The 1200 series of Diagnostic error codes identify failures with the modem. Corrective
action may require replacement of the modem.
1201-xx
1202-xx
1203-xx
1204-xx
1206-xx
1210-xx
Error
Code
Serial port test failed
Clock register test failed
Modem Communications Test Error Codes
Error
Code
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
Serial Test Error Codes
Description
Table 3-10
Description
Recommended Action
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.
Recommended Action
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.