Appendix A1015N-2MFM-1A
“AT” COMMANDS and “S” REGISTERS
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| EXCLUSIVE TO THE PE2400 |
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| Dial Modifiers |
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Command | Factory Default | Parameters/Description |
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; (semicolon) |
| Return to Idle State. “ ; ” forces the modem to remain in the command state after dialing |
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| a number without disconnecting. The semicolon must be placed at the end of the dial |
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| command. |
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| Parameters: none |
@ |
| WaIt for Quiet Answer Command. ” @ ” causes the modem to look for rings followed by |
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| 5 seconds of silence before processing the next symbol in the dialing string. The S7 |
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| register value determines the maximum wait time. If quiet answer is detected, the dial |
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| modifiers following the command are executed. If busy is detected, the modem returns |
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| a BUSY result code and goes to the |
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| commands. |
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| Parameters: none |
! |
| Flash Hook Command. “ ! ” causes the modem to go |
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| Parameters: none |
, (comma) | 2 seconds | Pause Command. “ , “ causes the modem to pause for a specified time during dialing. |
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| The S8 register value determines the pause time. Multiple commas may be used to |
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| increase the pause time. |
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| Parameters: none |
0 to 9, A to D, #, * |
| Dial Digits/Characters. Characters 0 to 9, A, B, C, D, #, and * are valid. Characters A, |
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| B, C, D, #, and * represent specific tone pairs and, therefore, can be used only when |
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| tone dialing is selected. |
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| Parameters: none |
W | 30 seconds | Wait for Dial Tone. W causes the modem to wait up to a specified time for the dial tone |
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| to occur. The telephone number is dialed immediately upon dial tone detection. The |
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| S7 register value determines the maximum wait time. If a busy signal is detected |
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| instead of dial tone, the modem returns a BUSY result code and goes |
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| abandoning subsequent instructions on the command line. |
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| Parameters: none |
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