Chapter 4—AT Commands, S-Registers, Result Codes

Command: &Tn

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.

Command: &V

Display Current Settings

Values:

n/a

Description:

Displays the active modem settings, including the

 

callback security settings if callback security is enabled.

 

If the setup password has been entered, it also displays

 

the callback security passwords.

Command: &Wn Store Current Configuration

Values:

n = 0

Default:

None

Description: &W0

Stores current modem settings in nonvolatile memory

 

and causes them to be loaded at power-on or following

 

the ATZ command instead of the factory defaults. See

 

also the &F command.

&W1

Clears user default settings from nonvolatile memory

 

and causes the factory defaults to be loaded at power-

 

on or following the ATZ command.

Command: &Yn

Select Stored Configuration for Hard Reset

Values:

n = 0

Default:

0

Description: &Y0

Select stored configuration 0 on power-up. (For

 

backward compatibility with some software.)

&Y1

Not supported—responds ERROR.

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Multi-Tech Systems ISI5634PCI/4/8 manual Test Commands, Display Current Settings, Command &Wn Store Current Configuration