S41 – general bit mapped options status, S46 – data compression control – Westermo ID-90 User Manual
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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
Only valid with analogue modem option.
S41 indicates the status of command options.
Default: 195 (C3h) (1100011b)
Bits 0–1
Compression selection (%Cn)
0Disabled (%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)
0 0 Retrain and fallback/fall forward disabled (%E0)
0 1 Retrain enabled (%E1)
1 0 Fallback/fall forward enabled (%E2) (default)
Bits 3–5, 7
Reserved.
S46 – Data Compression Control
Only valid with analogue modem option
S46 controls selection of compression. The following actions are executed for the given
values:
S46
136
Execute error correction protocol with no compression.
138
Execute error correction protocol with compression. (default)
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