Comtrol AT Commands - Manual (Page 143)

AT Commands for CX81801/CX06833/CX81300/CX06827 Modems Reference Manual
102184B Conexant 3-117
S39 - Flow Control Bit Mapped Options Status
Default: 3 (00000011b)
Bits 0-2 Status of command options
0 = No flow control
3 = RTS/CTS (&K3) (Default.)
4 = XON/XOFF (&K4)
5 = Transparent XON (&K5)
6 = Both methods (&K6)
Bits 3-7 Reserved
S40 - General Bit Mapped Options Status
S40 indicates the status of command options.
Default: 104 (68h) (01101000b)
Bits 0-1 MNP Extended Services (-Kn)
0 = Disable extended services (-K0) (Default.)
1 = Enable extended services (-K1)
2 = Enable extended services (-K2)
Bit 2 Reserved
Bits 3-5 Break Handling (\Kn)
0 = \K0
1 = \K1
2 = \K2
3 = \K3
4 = \K4
5 = \K5 (Default.)
Bits 6-7 Reserved