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MT5634 Modem; AT Command Set
Command: &Tn Loopback Test (V.54 Test) Commands
Values: n = 0, 1, 3, 6
Default: None
Description: The modem can perform selected test and diagnostic functions. A
test can be run only when the modem is operating in non-error-
correction mode (normal or direct mode). For tests 3 and 6, a
connection between the two modems must be established. To
terminate a test in progress, the escape sequence (+++AT
) must
be entered.
&T0 Stops any test in progress.
&T1 Starts a local analog loopback, V.54 Loop 3, test. If a
connection exists when this command is issued, the
modem hangs up. When the test starts, a
CONNECT
message is displayed.
&T3 Starts local digital loopback, V.54 Loop 2, test. If no
connection exists,
ERROR is returned.
&T6 Initiates a remote digital loopback, V.54 Loop 2, test
without self-test. If no connection exists,
ERROR
is returned.
Command: &V Display Current Settings
Values: N/A
Description: Displays the active modem settings.
Command: &Wn Store Current Configuration
Values: n = 0 or 1
Default: 1
Description: &W0 Stores current modem settings in non-volatile memory
and causes them to be loaded at power-on or following
the ATZ
command instead of the factory defaults.
See
&F command.
&W1 Clears user default settings from non-volatile memory
and causes the factory defaults to be loaded at power-on
or following the ATZ
command.
Command: &Zy=x Store Dialing Command
Values: y = 0–2 (0–1SMI-Parallel {internal})
x = Dialing command
Default: None
Description: Stores dialing command
x in memory location y. Dial the stored
number using the command ATDS=
y. See Also the #CBS
command, a callback security command.