AT Command Set and S-Registers
4-19
Issue 2 May 1995
Table 4-1. AT Command Reference (18 of 18)
AT
Command Description
%C
n
V.42/MNP5 DATA COMPRESSION
This command enables or disables V.42 and MNP Level 5
data compression. V.42 and MNP 5 data compression can
improve throughput by as much as 150%.
%C0
Disables V.42 and MNP5 data compression.
%C1
Enables V.42 and MNP5 data compression when
using an error-corrected connection.
)C
n
CELLULAR TELEPHONE SELECTION
This command is used to select the type of cellular
telephone to which the modem is connected. This command
is used when the modem is directly connected
to the cellular
telephone with a Cellular Direct Connect cable.
The effects of this command are automatically saved; you
do not need to use the &W command.
)C0
Motorola cellular telephones
)C1
NEC P100 Series or AT&T 3610 cellular telephones
)C2
OKI 900, 1145, 1150, or AT&T 3710, 3730, 3760
cellular telephones
Support for other cellular telephones may have been added
to your modem after this manual was printed. Refer to the
help text file, “cellv34.txt”, for the most recent list of options
for this command. For information on locating help text files,
see page 1-5.
This command is not reset to its factory setting when an &F
is entered.
NOTE: This command is supported only in Model 3766.
Cellular connections are not supported in Model 3765.