Black Box MD1650A-JP, Reference Manual

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V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE
8
NOTE
In fax mode, the only message sent to indicate a connection is CONNECT without a
speed indication. See also the \V command.
Command: Z n Modem Reset
Values: n = 0 or 1
Default: None
Description: The modem performs a soft reset and restores (recalls) the
configuration profile according to the parameter supplied. If no
parameter is specified, zero is assumed.
Z0
Resets modem and restores Profile 0.
Z1 Resets modem and restores Profile 1.
NOTE
See also the &F and &W commands.
Command: &C n Data Carrier Detect (DCD) Control
Values: n = 0, 1, 2, 3, 4, 5, 6, or 7
Default: 1, 3, 4
Description: &C0 Turns off reset on loss of carrier.
&C1 A second way to turn off reset on loss of carrier.
&C2 DCD goes high 500 ms after CONNECT message is generated.
&C3 DCD goes high when the CONNECT message is generated.
&C4 Disables &C5 and &C6 commands.
&C5 UNIX ® only: Holds DCD low until proper callback security
password is entered or until a disconnect occurs. This prevents
a UNIX login prompt from being displayed before the callback
security ENTER PASSWORD prompt appears.
&C6 Linux ® only: Waits to display the connect message until the
proper callback security password is entered.
&C7 Resets on loss of DCD.
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
sent by 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
operation with computers that do not provide DTR.
&Q1: 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.