Multitech MT5600DSVD2, User Manual

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MultiModemDSVD User Guide
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Command: &D n Data Terminal Ready (DTR) Control
Values: n = 0, 1, 2, or 3
Default: 2
Description: This command interprets the high to low transition of the DTR
signal from the computer according to the supplied parameter.
The action taken depends on the current
&Q setting.
&D0 &Q0 , &Q5 , &Q6 : DTR is ignored (assumed high). Allows op-
eration with computers that do not provide DTR.
&Q1 , &Q4 : DTR drop causes the modem to hang up.
Autoanswer is not affected.
&Q2 , &Q3 : DTR drop causes the modem to hang up.
Autoanswer is inhibited.
&D1 &Q0 , &Q1 , &Q4 , &Q5 , &Q6 : DTR drop is interpreted by the
modem as if the asynchronous escape sequence had been en-
tered. The modem returns to asynchronous command state
without disconnecting.
&Q2
,
&Q3
: DTR drop causes the modem to hang up.
Autoanswer is inhibited.
&D2 &Q0 – &Q6 : DTR drop causes the modem to hang up.
Autoanswer is inhibited.
&D3 &Q0 , &Q1 , &Q4 , &Q5 , &Q6 : DTR drop causes the modem to
perform a soft reset as if the Z command were received. The &Y
setting determines which profile is loaded.
&Q2 , &Q3 : DTR drop causes the modem to hang up.
Autoanswer is inhibited.
&Q5 or &Q6 and +FCLASS=1 or +FCLASS=2 : Same as for &Q0 .
Command: &F n Load Factory Settings
Values: n = 0 or 1
Default: None
Description: &F0 Load factory configuration 0.
&F1 Load factory configuration 1.
Note: See also the Z command.
Command: &G n V.22bis Guard Tone Control
Values: n = 0, 1, or 2
Default: 0
Description: &G0 Disable guard tone.
&G1 Set guard tone to 550 Hz.
&G2 Set guard tone to 1800 Hz.
Note: The &G command is not used in North America.