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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 se-
quence. The default is the + character. The escape sequence allows the
modem to exit data mode and enter command mode when on-line.
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