APPENDIX D
User's Manual
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:
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
Range:
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
Range:
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:
Default: 13 (carriage return)
Units: ASCII