Multitech MT2834ZDX Specifications download pdf (Page 51)

4 AT Commands, S-Registers, and Result Codes

Command: %F

Echo Canceller Frequency Offset

Compensation

Values:

= 0 or 1

Default: 0

Description: %F0 Disable echo canceller frequency offset compen-

sation.

%F1 Enable echo canceller frequency offset

compensation.

Command: #F

Fallback Modes When On Line

Values:

= 0, 1, or 2

Default: 2

Description: #F0 No fallback when on line.

#F1 Fall back decrementally from maximum speed to

4800 bps as line conditions deteriorate..

#F2 Fall back decrementally to 4800 bps; fall forward

when line conditions improve.

Command: &G

Guard Tones

Values:

= 0, 1, or 2

Default: 0

Description: &G0 Turn off ITU-T guard tones.

&G1 Turn on ITU-T 550 Hz guard tone.

&G2 Turn on ITU-T 1800 Hz guard tone.

Note: The ZDXK is locked to the ITU-T 1800 Hz guard tone (&G2).

Command: H

On Hook/Off Hook

Values:

= 0 or 1

Default: None

Description: H0 Go on hook (hang up).

H1 Go off hook.

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Multitech MT2834ZDX Specifications Page 51