Comtrol AT Command Set Rev A - Manual (Page 125)

AT Commands Reference Manual
100722B Conexant 3-99
3.3.2 S-PARAMETER DEFINITIONS
S0 - Number of Rings to Auto-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
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
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 (+)
S3 - Carriage Return Character
S3 sets the command line and result code terminator character. Pertains to asynchronous
operation only.
Range: 0-127, ASCII decimal
Default: 13 (Carriage Return)
S4 - Line Feed Character
S4 sets the character recognized as a line feed. Pertains to asynchronous operation only.
The Line Feed control character is output after the Carriage Return control character if
verbose result codes are used.
Range: 0-127, ASCII decimal
Default: 10 (Line Feed)