Longshine LCS-8156C1 - Manual (Page 50)

AT Commands for CX930xx Modem Reference Manual
3-26 Conexant 102752B
&R - RTS/CTS Option
This selects how the modem controls CTS. CTS operation is modified if hardware flow
control is selected (see &K command). The parameter value, if valid, is written to S21 bit
2.
Syntax
&R
Defined Values
Decimal number corresponding to the selected option.
0 In sync mode, CTS tracks the state of RTS; the
RTS-to-CTS delay is defined by S26. In async
mode, CTS is normally ON and will turn OFF
only if required by flow control.
1 In sync mode, CTS is always ON (RTS
transitions are ignored). In async mode, CTS is
normally ON and will turn OFF only if required
by flow control.
Result Codes
OK = 0 or 1.
ERROR Otherwise.
&S - DSR Override
This command selects how the modem will control DSR. The parameter value, if valid, is
written to S21 bit 6.
Syntax
&S
Defined Values
Decimal number corresponding to the selected option.
0 DSR will remain ON at all times. (Default.)
1 DSR will become active after answer tone has
been detected and inactive after the carrier has
been lost.
Result Codes
OK = 0 or 1.
ERROR Otherwise.