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.

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Western Telematic MT5634 manual Command &Tn Loopback Test V.54 Test Commands, Command &V Display Current Settings