Sn - Read/Write S-Parameter; Factory Defaults; S-Parameter Definitions; S0 - Number Of Rings To Automatic Answer - Conexant H08-15355F Reference Manual

3.3.1.3 Sn - Read/Write S-Parameter

The modem selects an S-Parameter, performs an S-Parameter read or write function, or reports the value of an S-Parameter.
n Establishes S-Parameter n as the last register accessed.
n=v Sets S-Parameter n to the value v.
n? Reports the value of S-Parameter n.
The parameter n can be omitted, in which case the last S-Parameter accessed will be assumed. The S can be omitted for
AT= and AT?, in which case the last S-Parameter accessed will be assumed.
For example:
ATS7 establishes S7 as the last accessed register.
AT=40 sets the contents of the last register accessed to 40.
ATS=20 sets the contents of the last register accessed to 20.
If the number "n" is outside the range of the S-Parameters available, the modem will return the ERROR message. If the value
"v" is outside the range permitted for a given S-Parameter, the modem will return the ERROR message. Input and output are
always in decimal format. Note that some S-Parameters are read-only.
In some cases, writing to the S-Parameter will appear to be accepted but the value will not actually be written.

3.3.2 Factory Defaults

The factory default values are stored in the Registry and are loaded into the active configuration at power up or by the Z
command. In addition, the default profile is subsequently loaded, and may change some of the factory default values.
The default values in the Registry may be loaded at any time by entering the &F command.

3.3.3 S-Parameter Definitions

3.3.3.1 S0 - Number of Rings to Automatic Answer

S0 sets the number of the rings required before the modem automatically answers a call. Setting this parameter to zero
disables auto-answer mode.
Range: 0-255 rings
Default: 0

3.3.3.2 S1 - Ring Counter

S1 is incremented each time the modem detects a ring signal on the telephone line. S1 is cleared if no rings occur over an
eight second interval.
Range: 0-255 rings
Default: 0

3.3.3.3 S2 - Escape Character

S2 holds the decimal value of the ASCII character used as the escape character. The default value corresponds to an ASCII
'+'. A value over 127 disables the escape process, i.e., no escape character will be recognized.
Range: 0-255, ASCII decimal
Default: 43 (+)
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