Technical Reference Guide
A.11 MODEM COMMUNICATIONS ERROR MESSAGES (12xx-xx)
Table
Table A-10.
Serial Interface Error Messages
Message | Probable Cause | Message | Probable Cause |
Modem internal loopback test | Data block retry limit reached [4] | ||
UART DLAB bit failure | RX exceeded carrier lost limit | ||
Line input or UART failure | TX exceeded carrier lost limit | ||
Address line failure | |||
Data line fault | Dial number string too long | ||
UART control signal failure | Modem | ||
UART THRE bit failure | Modem exceeded maximum redial limit | ||
UART DATA READY bit failure | Line quality prevented remote response | ||
UART TX/RX buffer failure | Modem | ||
Interrupt circuit failure | Modem auto answer test | ||
COM1 set to invalid inturrupt | |||
COM2 set to invalid | |||
DRVR/RCVR control signal failure | Data block retry limit reached [5] | ||
UART control signal interrupt | RX exceeded carrier lost limit | ||
| failure |
|
|
DRVR/RCVR data failure | TX exceeded carrier lost limit | ||
Modem detection failure | |||
Modem ROM, checksum failure | Dial number string too long | ||
Tone detect failure | Modem | ||
Modem internal test | Modem exceeded maximum redial limit | ||
Line quality prevented remote response | |||
Modem | |||
Data block retry limit reached [1] | Dial | ||
Tone detection failure | |||
Modem direct connect test | |||
Data block retry limit reached [2] | |||
Data block retry limit reached [6] | |||
Data block retry limit reached [3] | RX exceeded carrier lost limit | ||
Modem external termination test | TX exceeded carrier lost limit | ||
Modem external TIP/RING failure | |||
Modem external data TIP/RING fail | Dial number string too long | ||
Modem line termination failure | Modem | ||
Modem auto originate test | Modem exceeded maximum redial limit | ||
Line quality prevented remote response | |||
Modem |
NOTES:
[1]Local loopback mode
[2]Analog loopback originate mode
[3]Analog loopback answer mode
[4]Modem auto originate test
[5]Modem auto answer test
[6]Modem direct connect test
hp/Compaq Personal Computers
Changed – April 2003