Multitech MultiModem MT5600ZDXV Owner's Manual page 38

*This command requests leased line or dial-up operation. This command
is provided for compatibility only; no mode change is performed, dial-up
operation continues. The OK response is returned for a valid parameter, but
no other action is performed. The parameter value, if valid, is written to S27
bit 2.
Command: &M n Communications Mode
Values:
Defaults:
Description: &M0
&M1
*&M0 selects direct asynchronous operation. Note that the command
sequence &M0\N0 selects normal buffered mode, but the command sequence
\N0&M0 selects direct mode. This is because the \N0 command is analogous
to the &Q6 command.
Command: &Q n
Values:
Defaults:
Description: &Q0
&Q5
&Q6
Command: &S n
Values:
Default:
Description: &S0
&S1
Command: &T n
Values:
Default:
Description: &T0
&T1
&T2
&T3
&T4
n = 0
0
Asynchronous mode.
Reserved—responds ERROR.
Asynchronous Communications Mode
n = 0, 5, or 6
5
Asynchronous with no data buffering/no error correc-
tion. Same as \N0 .
Asynchronous with data buffering/error correction.
Same as \N3 .
Asynchronous with data buffering/no error correction.
Same as \N0 .
Data Set Ready (DSR) Control
n = 0 or 1
0
Force DSR ON at all times.
DSR becomes active after answer tone is detected (CD),
and inactive after carrier tone is lost.
Test Commands
n = 0, 1, 3, 4, 5, 6, 7 or 8
None
Abort. Stop any test in progress.
Starts Local Analog loop test.
Returns Error.
Starts Local Digital loopback test.
Responds to remote modem request for Digital Loop-