Multitech MultiModem MT5600ZDX - Page 39

Chapter 3 - AT Commands, S-Registers and Result Codes
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Command: &Q n Asynchronous Communications Mode
Values:
n = 0, 5, or 6
Defaults: 5
Description: &Q0 Asynchronous with no data buffering/no error correc-
tion. Same as
\N0 .
&Q5 Asynchronous with data buffering/error correction. Same
as \N3 .
&Q6 Asynchronous with data buffering/no error correction.
Same as
\N0 .
Command: &S
n Data Set Ready (DSR) Control
Values:
n = 0 or 1
Default: 0
Description: &S0 Force DSR ON at all times.
&S1 DSR becomes active after answer tone is detected
(CD), and inactive after carrier tone is lost.
Command: &T
n Test Commands
Values:
n = 0, 1, 3, 4, 5, 6, 7 or 8
Default: None
Description: &T0 Abort. Stop any test in progress.
&T1 Starts Local Analog loop test.
&T2 Returns Error.
&T3 Starts Local Digital loopback test.
&T4 Responds to remote modem request for Digital Loop-
back.
&T5 Ignores remote modem request for Digital Loopback.
&T6 Requests remote Digital Loopback without self-test.
&T7 Requests remote Digital Loopback with self-test.
&T8 Starts Local Analog loop test with self-test.