Multi-Tech Systems MT3334ZDX User Manual
Page 32
MT3334ZDX/V Owner's Manual
32
Command:
&D
n
Data Terminal Ready (DTR) Control
Values:
n = 0, 1, 2, or 3
Default:
2
Description: &D0
Modem ignores the true status of the DTR signal
and responds as if it is always on.
&D1
When DTR drops while in online data mode, the
modem enters command mode, issues an OK, and
remains connected.
&D2
When DTR drops while in online data mode, the
modem hangs up.
&D3
When DTR drops, the modem hangs up and resets
as if an ATZ command were issued.
Command:
&F
n
Load Factory Default Settings
Values:
n = 0
Default:
None
Description: &F0
Load factory settings as active configuration.
Command:
&G
n
V.22bis Guard Tone Control
Values:
n = 0, 1, or 2
Default:
0
Description: &G0
Disable guard tone.
&G1
Enable 550 Hz guard tone.
&G2
Enable 1800 Hz guard tone.
Command:
&J
n
Auxiliary Relay Control
Values:
n = 0
Default:
0
Description: &J0
The auxiliary relay is never closed.
&J1
Not supported—responds ERROR.
Command:
&K
n
Flow Control Selection
Values:
n = 0, 3, or 4
Defaults:
3
Description: &K0
Flow control disabled.
&K3
Enable CTS/RTS hardware flow control.
&K4
Enable XON/XOFF software flow control.
Command:
&M
n
Communications Mode
Values:
n = 0
Defaults:
0
Description: &M0
Asynchronous mode.