C – select data compression, Ds – v42 bis data compression – Westermo GDW-11 User Manual
Page 142

142 Data commands
6615-2220
%C – Select data compression
Description:
This command enables or disables data compression negotiation if this feature is sup-
ported by the product.
Syntax:
AT%C
Parameters:
0: no compression (default value)
2:
V42bis compression if supported
Command example
Possible responses
Note
AT%C0
OK
Set no compression
AT%C2 OK
V42bis
supported
AT%C? 2
OK Current
value
+DS – V42 bis data compression
Description:
This command enables or disables V.42bis data compression if this feature is supported
by the product. Beware that the product only allows the MNP2 protocol.
Syntax:
AT+DS=
Parameters:
< dir >
Specifies the desired direction(s) of operation of the data compression function; from the
DTE point of view
0:
Negotiated . . . no compression
1: Transmit
only
2: Receive
only
3:
Both directions, accept any direction (default value)