Page 217 of 226
Version: 3.3.5
– DR05 – 23.03.2017
26.
Initializing the modem
General information on the AT commands
The commands can be entered in the input interface (modem settings) in the two fields
“Modem Initiali-
zation
”.
The
prefix
always consists of the letters
“AT”.
This does not have to be entered in the field.
The
command
consists of individual characters that are written as described below. It is made up of a
code and, if applicable, any associated values.
Letters can be in uppercase and lowercase. Multiple commands can be combined into a command line.
Example
: L1M1\N5
Analog modem commands
26.1
B
Selects the communication standard
ATB0 CCITT modulation
ATB1 Bell modulation
\B
Treatment of the break signal
AT\Bn Send break signal to remote station
n= 0-9 in 100 ms units (AT\B3 standard)
Only possible with a non-error corrected connection
%C
Data compression setting
AT%C0 Data compression inactive
AT%C1 Data compression active
+GCI Country-specific setting
This command configures the analog modem to the country-specific setting
EGCI=B5
