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Multi-Tech Systems MT3334ZDX User Manual

Page 32

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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.

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