Error Messages and Codes
A.11 Modem Communications Error Messages (12xx-xx)
Table
Modem Communications Error Messages
Message | Probable Cause | Message | Probable Cause |
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Modem internal loopback test | Data block retry limit reached [4] | ||
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UART DLAB bit failure | RX exceeded carrier lost limit | ||
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Line input or UART failure | TX exceeded carrier lost limit | ||
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Address line failure | |||
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Data line fault | Dial number string too long | ||
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UART control signal failure | Modem | ||
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| response |
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UART THRE bit failure | Modem exceeded maximum redial limit | ||
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UART DATA READY bit failure | Line quality prevented remote response | ||
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UART TX/RX buffer failure | Modem | ||
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| connection |
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Interrupt circuit failure | Modem auto answer test | ||
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COM1 set to invalid inturrupt | |||
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COM2 set to invalid | |||
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DRVR/RCVR control signal failure | Data block retry limit reached [5] | ||
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UART control signal interrupt | RX exceeded carrier lost limit | ||
| failure |
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DRVR/RCVR data failure | TX exceeded carrier lost limit | ||
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Modem detection failure | |||
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Modem ROM, checksum failure | Dial number string too long | ||
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Tone detect failure | Modem | ||
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| response |
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Modem internal test | Modem exceeded maximum redial limit | ||
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Line quality prevented remote response | |||
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Modem | |||
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| connection |
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Data block retry limit reached [1] | Dial | ||
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Tone detection failure | |||
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Modem direct connect test | |||
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Technical Reference Guide |