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6195-2201
&C – Set DCD signal
This commands controls the Data Carrier Detect (DCD) signal.
Application to GSM
AT&C0
DCD always on
GSM to application
OK
Command valid
Application to GSM
AT&C1
DCD matches state of the remote
modem’s data carrier
GSM to application
OK
Command valid
&D – Set DTR signal
This commands controls the Data Terminal Ready (DTR) signal.
Application to GSM
AT&D0 the
DTR signal is ignored
GSM to application
OK
Command valid
Application to GSM
AT&D1
Modem switches from data to
command mode when DTR
switches from ON to OFF
GSM to application
OK
Command valid
Application to GSM
AT&D2
Upon DTR switch from ON to
OFF, the call is clear down
GSM to application
OK
Command valid
&S – Set DSR signal
This commands controls the Data Set Ready (DSR) signal.
Application to GSM
AT&S0 DSR
Always on
GSM to application
OK
Command valid
Application to GSM
AT&S1
DSR off in command mode,
DSR on in data mode
GSM to application
OK
Command valid
O – Back to online mode
If you have established a connection and the mobile is in online command mode, this
command allows to return to online data mode.
Application to GSM
ATO
GSM to application
OK
Command valid
Содержание GS-01
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