Dcd Behavior; Dtr Behavior - Motorola iM1000 User Manual

DCD Behavior

This parameter determines how the DCD line (circuit 109)
relates to the detection of received line signals from the distant
end. Changing the parameter takes effect immediately in both
the command and online command states.
Action
&C
Query
Range
Parameter Values:
0
1

DTR Behavior

This parameter determines how the computer responds when
the DTR line (circuit 108/2) is changed from the
"
to the off
Action
Query
Range
&D
Parameter Values:
0
1
2
AT&c<setting>
AT&v
DCD always on
The modem turns on the DCD to indicate the
presence of a connection, and turns off the DCD
to indicate the loss of a connection.
Ó
condition during the online data state.
AT&d<setting>
AT&v
Modem ignores DTR
If the DTR is turned on while in online data
mode, the modem returns to command mode
and issues the
connected.
If the DTR is turned off while in online data
mode, the modem disconnects the call and
returns the
OK
command mode, the modem will not answer an
incoming call, regardless of the setting, S0
(Automatic Answer).
result code. The call remains
OK
result code. If DTR is off while in
APPENDIX
Ó
"
on condition
77