22
SM336MAN
2. If S38 is set to 255, the modem does not time-out and continues to attempt to deliver data in the buffer until the
connection is lost or the data is delivered.
Range: 0-255 seconds
Default: 20
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 MNP block size (\An)
0 = 64 chars (\A0)
1 = 128 chars (\A1) (Default.)
2 = 192 chars (\A2)
3 = 256 chars (\A3).
S41 - General Bit Mapped Options Status
S41 indicates the status of command options.
Default: 195 (C3h) (11000011b)
Bits 0 -1 Compression selection (%Cn)
0 = Disabled (%C0)
1 = MNP 5 (%C1)
2 = V.42 bis (%C2)
3 = MNP 5 and V.42 bis (%C3) (Default.)
Bits 2, 6 Auto retrain and fallback/fall forward (%En)
Bit 6
Bit 2
0
0 = Retrain and fallback/fall forward disabled (%E0)