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User Guide
58
Command: &Q
n
Asynchronous Communications Mode
Values:
n
= 0, 5, 6, 8, or 9
Default: 5
Description: &Q0 Asynchronous with data buffering. Same as
\N0
.
&Q5 Error control with data buffering. Same as
\N3
.
&Q6 Asynchronous with data buffering. Same as
\N0
.
&Q8 MNP error control mode. If MNP error control is
not established, the modem falls back according
to the setting in
S36
.
&Q9 V.42 or MNP error control mode. If neither error
control is established, the modem falls back ac-
cording to the setting in
S36
.
Command: &S
n
Data Set Ready (DSR) Control
Values:
n
= 0 or 1
Default: 0
Description: &S0 Force DSR always high (on).
&S1 Let DSR go high only during a connection.
Command: &T
n
V.54 Test Commands
Values:
n
= 0, 1, 3 or 6
Default: None
Description: &T0 Abort. Stop any test in progress.
&T1 Local analog loopback test.
&T3 Local digital loopback test.
&T6 Remote digital loopback test.
Note: To stop a test, you must use the escape sequence (+++AT)
before typing AT&T0.