Lenze EMF2181IB - Manual (Page 78)

Appendix
AT commands
Data compression commands
10
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78 EDSMF2181IB EN 3.0
10.3.5 Data compression commands
Command: %C
Activate/deactivate data compression
Activates or deactivates the setting for data compression. The modem can only execute
data compression on an error−free connection. If it is valid, the parameter value is rewritten
to S41 bits 0 and 1.
Command Default
setting Values defined Result codes
%C %C0 Deactivates data compression. Resets S46 bit 1. OK
ERROR
%C1 Activates MNP 5 data compression setting. Resets S46
bit 1.
%C2 Activates V. 42bis data compression. Resets S46 bit 1.
%C3 Activates both V.42 bis and MNP 5 data compression.
Sets S46 bit 1 (default setting).