Abocom ISM560, User Manual, Page: 39 / 42

APPENDIX B: S-REGISTERS
S-Registers, “ATSn=x”
Register Dec. Function & Description Default
S0= 0 - 255
Set the number of the rings
required before the modem
automatically answers
a call. Set “S0=0” to disable
auto-answer mode 000
S1= 0 - 255 Count the incoming rings and
store the value to this register.
The value of this register is
incremented with each ring. If
no rings occur over an 8 sec.
interval, this register is cleared.
User can read but should not
change this value 000
S2= 0 - 255 S2 holds the decimal value of
the ASCII character used as the
escape character.
The default value (043)
corresponds to
an ASCII character “+”. A
value of 128
to 255 disables the escape
process, i.e.,
no escape character will be
recognized 043
S3= 0 - 127 Hold the decimal value of the
Carriage Return <CR>
character used as the command
line and result code terminator.
Pertain to asynchronous
operation only 013
S4= 0 - 127 Hold the decimal value of the
character recognized as a line
feed.The line feed control
character is output after the
carriage return control
character if verbose result code
are used. 010
S5= 0 - 32,
127 Hold the decimal value of the
character recognized as a
backspace. The modem will
not recognize the backspace
character if this register is set
to a value greater than 32 008
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