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AT
&
D1
DTR ON-OFF causes a transition to the on-line
command state.
AT
&
D2
DTR ON-OFF hangs up the phone.
AT
&
D3
DTR ON-OFF hangs up the phone and resets the
data
parameters to the start-upvalues.
AT
&
K Select Flow Control
This command selects the local flow control mode. Using this com-
mand is not recommended, instead use the AT+IFC com-
mand.
Syntax:
AT
&
K[0] Disable
flow
control.
AT
&
K3
Set hardware flow control (CTS/RTS).
AT
&
K4
Set software flow control (XON/XOFF).
AT
&
Q Define Communications Mode Option
This command defines the dialling and on-line op-
tions.
Syntax:
AT
&
Q[0]
Enable normal asynchronous operation.
AT
&
Q2
Enable DTR controlled dial. DTR OFF to ON caus-
es a
call to be made to the number stored in the dial
slot
one (1).
DTR ON to OFF
hangs up the phone.
AT
&
S Define DSR Option
This command defines how the DSR V.24 signal is han-
dled.
Syntax:
AT
&
S[0]
Keep DSR always ON.
AT
&
S1
Enable normal DSR usage*
*This is "always ON" with 09i/18i PremiCell. The command is includ-
ed for compatibility purposes.