
MultiModemII User Guide
| Register | Unit | Range | Default | Description | 
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| S13 | decimal | 0,  | 42 (*) | Sets the ASCII code for the remote configu- | |
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 | ration escape character. ATS13=0&W dis- | |
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 | ables remote configuration. | |
| S15 | minutes | 30 | Sets the length of time the modem waits | ||
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 | after making a  | |
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 | checks the lease line for restoral. | |
| S17 | minutes | 1 | Sets the length of time the modem waits af- | ||
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 | ter after a lease line fails before it attempts a | |
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| S18 | seconds | 0 | Sets the number of seconds that the modem | ||
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 | conducts an &T test before it returns to the | |
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 | command mode. If the value is zero, the test | |
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 | must be terminated from command mode | |
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 | by issuing an &T0 or H command. When | |
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 | S18 is  | |
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 | message upon test termination. | |
| S24 | seconds | 0 | Sets the number of seconds that the modem | ||
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 | operates in normal mode with no detected | |
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 | telephone or serial port activity before it | |
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 | enters  | |
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 | reset upon any serial port or telephone line | |
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 | activity. | |
| S25 | 10 ms | 5 | Sets the length of time that the modem | ||
| 
 | (async) | 
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 | ignores DTR while taking the action specified | |
| 
 | 1 ms | 
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 | by &D. | |
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 | (sync) | 
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| S26 | 10 ms | 1 | When &R0 is commanded, sets the time | ||
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 | after detecting an  | |
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 | RTS before the modem turns CTS ON. | |
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 | Applies to synchronous operation only. | |
| S29 | 10 ms | 70 | Sets the length of time that the modem goes | ||
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 | modifier (!) in the dial string. | |
| S30 | 10 ms | 0,  | 0 | Sets the length of time that the modem | |
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 | waits before disconnecting when no data is | |
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 | sent or received. A value of zero disables | |
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 | the timer. Applies to asynchronous opera- | |
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 | tion only. | |
| S32 | decimal | 17 | Sets the ASCII code for the XON character. | ||
| S33 | decimal | 19 | Sets the ASCII code for the XOFF character. | ||
| S35 | decimal | 0 | 0 disables, 1 enables the V.25 data calling | ||
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 | tone, which allows remote data/fax/voice | |
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 | discrimination. | |
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