Chapter 5 - AT Commands, S-Registers, and Error Codes

 

 

ATS

Access an S-register

Syntax

ATSn=s where n is the S-register to be accessed and s is the value to be set or a ?

 

to read the register value.

Description

The ATS command is used to read and write the values of the S-registers.

 

ATSn=sWrite the value s to S-register number n.

 

ATSn=?Read and display the number stored in S-register number n.

ATZ

Reset modem

Syntax

ATZ

 

Description

The ATZ command resets the modem. The default settings are restored. The Z

 

command is equivalent of restarting the modem.

A/

Execute previous command again

Syntax

A/

 

Description

Execute previous command again. This command reexecutes the last command that

 

was executed by the modem. This command shall not be followed by a carriage

 

return.

 

&F

Load factory settings

Syntax

AT&F

 

Description

The AT&F command restores the factory (default) settings of the modem. This

 

includes restoring all the S-registers to their default settings.

&J

Telephone jack selection

Syntax

AT&J

 

Description

The AT&J command has no meaning and is implemented only for compatibility

 

reasons.

&K

Select flow control

Syntax

AT&K

 

Description

The AT&K command has no meaning and is implemented only for compatibility

 

reasons.

\N

Select error control

Syntax

AT\Nn where n is as follows

Description

The AT\N command is used to select the mode of error control.

 

AT\N0 Transparent mode, no error correction

 

AT\N1 Transparent mode, no error correction

 

AT\N2 Non-transparent mode ie RLP (Radio Link Protocol)

 

AT\N3 Non-transparent mode ie RLP (Radio Link Protocol)

 

AT\N4 Non-transparent mode ie RLP (Radio Link Protocol)

 

AT\N5 Non-transparent mode ie RLP (Radio Link Protocol)

E

Command echo

Syntax

ATEn where n is as follows.

Description

The ATE command enables or disables the echo of characters to the DTE. This

 

value is stored in S-register 14 bit 1.

 

ATE0

Disable command echo

 

ATE1

Enable command echo. This is the default.

MTSGSM

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Multi-Tech Systems MTSGSM manual AT Commands, S-Registers, and Error Codes, Ats, Atz

MTSGSM specifications

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