V.34 commands – Multi-Tech Systems MT3334HD8 User Manual

Page 34

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MT3334HD8 User Guide

28

CommPlete Communications Server

Yn

Long Space Disconnect

n

= 0 or 1

Default: Y0

When two modems are connected in reliable mode, a link disconnect request packet is sent to request a
disconnect. In non-error correction mode, there is no “polite” way to request a disconnect. As a result,
some “garbage” may be received when a hang-up command is issued.

Y0

disables the modem’s use of the break signal.

Y1

enables the modem’s use of the break signal, which shuts off the modem’s receiver and disconnects

(both modems must have Y1 enabled).

V.34 Commands

The following commands apply only in V.34 mode.

%Fn

Echo Canceler Frequency Offset Compensation

n

= 0 or 1

Default: %F0

The %F command enables and disables echo canceler frequency offset compensation which, when
enabled, can decrease modem performance.

%F0

disables echo canceler frequency offset compensation.

%F1

enables echo canceler frequency offset compensation.

&RAn Asymmetric Bit Rate

n

= 0 or 1

Default: &RA0

The &RA command enables or disables asymmetric bit rate operation in V.34 mode. The asymmetric bit
rate feature lets the modem transmit at one rate while receiving at a different rate.

&RA0

enables asymmetric bit rate operation.

&RA1

disables asymmetric bit rate operation.

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