NTC-6000 Series V.250 Manual
Page 13 of 32
To suit software version 1.1.0
7/21/2010
DCE-DTE Interface commands
&D DTR Configuration
This parameter determines how the terminal responds when the DTR circuit
changes state.
Default:
&D0
Storage:
&W
Command values:
&D0
Ignore DTR.
&D1
If in
online data state
upon an
on-to-off
transition, the terminal enters
online command state
and issues an OK result code; the call remains
connected.
&D2
If in
online data state
or
online command state
upon an
on-to-off
transition, the terminal performs an orderly clear-down of the call
and returns to
command state
.
Automatic answer is disabled while DTR remains off.
&D3
Terminal “Auto-dials” default remote station (as determined by
^DHST) on
off-to-on
transition of DTR and enters
online data state
.
Terminal ends call and enters
command state
on
on-to-off
transition
of DTR.
&D4
Terminal “Auto-dials” default remote station (as determined by
^DHST) on
on-to-off
transition of DTR and enters
online data state
.
Terminal ends call and enters
command state
on
off-to-on
transition
of DTR.
&D5
When DTR is
off
pass all commands directly to the internal cellular
engine.
When DTR is
on
commands are processed by the NTC V.250
command interpreter, any commands not processed by the NTC
V.250 command interpreter are passed to the cellular engine in
accordance with the
^PAST
parameter.