User Manual

Appendix C Hayes AT Command Reference
RFI-9256 Radio Modem User Manual Page 86 of 96
3 Remote DTR controls CTS.
4 Local DTR controls CTS.
5 Remote RTS controls CTS.
6 Local RTS controls CTS.
7 CTS always off.
8 CTS always on.
9 CTS disabled.
Table 35: CTS output control options
 ATS91=3<CR> : Sets CTS to follow the remote value of DTR.
 ATS91=6<CR> : Sets CTS to follow the local value of RTS.
Note that when RTS/CTS flow control is selected, CTS is set according to the flow control and the setting in
s-register 91 is ignored.
C.2.29 “ATS100” Set Port Baud Rate
S-register 100 sets the baud rate of the connected serial port. The values for S-register 100 are limited to
{110, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}.
 ATS100=300<CR> : Sets the baud rate to 300.
 ATS100=115200<CR> : Sets the baud rate to 115200.
The value store in s-register 100 will not be applied immediately. It will only become active once the AT&W1
command is executed.
C.2.30 “ATS101” Set Port Parity
S-register 101 sets the parity of connected serial port. There are three options for the parity:
 ATS101=0<CR> : Disable parity.
 ATS101=1<CR> : Odd parity.
 ATS101=2<CR> : Even parity.
The value store in s-register 101 will not be applied immediately. It will only become active once the AT&W1
command is executed.