User's Manual
D-2
APPENDIX D
S0 Auto answer ring number
This register determines the number of rings the modem will count
before automatically answering a call. Enter 0 (zero) if you do not want
the modem to automatically answer at all. When disabled, the modem
can only answer with an ATA command.
Range: 0-255
Default: 0
Units: rings
S1 Ring counter
This register is read only. The value of S1 is incremented with each ring.
If no ring occurs over a six-second interval, this register is cleared.
Range: 0-225
Default: 0
Units: rings
S2 AT escape character (user defined)
This register determines the ASCII values used for an escape sequence.
The default is the + character. The escape sequence allows the modem
to exit data mode and enter command mode when online. Values greater
than 127 disable the escape sequence.
Range: 0-255, ASCII decimal
Default: 43
Units: ASCII
S3 Command line termination character(user defined)
This register determines the ASCII values as the carriage return
character. This character is used to end command lines and result
codes.
Range: 0-127, ASCII decimal
Default: 13 (carriage return)
Units: ASCII