Telenetics 56 - Manual (Page 130)

AT Commands
Page 122
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
S41 - General Bit Mapped Options Status
S41 indicates the status of command options.
Default: 13 (C3h) (00001101b)
Bits 0 –1 Compression selection (%Cn)
0 = Disabled (%C0)
1 = MNP 5 (%C1)
2 = V.42bis (%C2)
3 = MNP 5 and V.42bis (%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)
0 1 = Retrain enabled (%E1)
1 0 = Fallback/fall forward enabled (%E2) (Default.)
Bit 3 Reserved
Bits 4-5 Reserved
Bit 7 Reserved
S46 - Data Compression Control
S46 controls selection of compression. The following actions are executed for the given
values:
Range: 136 or 138
Default: 138
S46=136 Execute error correction protocol with no compression.
S46=138 Execute error correction protocol with compression. (Default.)
S48 - V.42 Negotiation Control
The V.42 negotiation process determines the capabilities of the remote modem. However,
when the capabilities of the remote modem are known and negotiation is unnecessary,
this process can be bypassed if so desired.