MT3334ZDX/V Owner's Manual

Command:

&Dn

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:

&Fn

Load Factory Default Settings

Values:

n = 0

 

Default:

None

 

Description:

&F0

Load factory settings as active configuration.

Command:

&Gn

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:

&Jn

Auxiliary Relay Control

Values:

n = 0

 

Default:

0

 

Description: &J0

The auxiliary relay is never closed.

 

&J1

Not supported—responds ERROR.

Command:

&Kn

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:

&Mn

Communications Mode

Values:

n = 0

 

Defaults:

0

 

Description:

&M0

Asynchronous mode.

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Multi-Tech Systems MT3334ZDXV Data Terminal Ready DTR Control, Load Factory Default Settings, 22bis Guard Tone Control