Multitech MultiModem MT5600ZDXV Owner's Manual page 58

Bit 6-7
S41 - General Bit Mapped Options Status Indicates the status of command
options. Default: 195 (C3h)
Bits 0 -1
Bits 2, 6
Bit 3
Bits 4-5
Bit 7
Register Unit
S 4 6
decimal
S 4 8 decimal
MNP Block Size (\An)
Compression selection (%Cn)
0 = Disabled (%C0)
1 = MNP 5 (%C1)
2 = V.42 bis (%C2)
3 = MNP 5 and V.42 bis (%C3)--Default
Auto retrain and fallback/fall forward (%En)
Bit 6
0
0
1
Reserved
Reserved
Reserved
Range Default Description
136 or 138
0, 7, 128 7
5 = \K5--Default
0 = 64 characters (\A0)
1 = 128 characters (\A1)--Default
2 = 192 characters (\A2)
3 = 256 characters (\A3)
Bit 2
0 = Retrain and fallback/fall
forward disabled (%E0)
1 = Retrain enabled (%E1)
0 = Fallback/fall forward enabled
(%E2)--Default
138 Controls selection of compres-
sion. S46 = 136 means execute
error correction protocol with no
compression. S46 = 138 means
error correction protocol with com-
pression (default).
Determines the remote modem's
V.42 negotiation capabilities.
the remote modem's capabilities are
known, this process can be by-
passed. S48 = 0 means to disable
negotiation; bypass the detection/
negotiation phases; and proceed to
LAPM. S48 = 7 means to disable
negotiation (default). S48 = 128
means to disable negotiation; by-
pass the detection/negotiation phas-
If