AT Commands MIM-A01

Appendix

 

 

 

 

 

 

 

Command

Description

 

&Z

Store telephone number (up to 30 digits) to location 'n' (0-3)

 

%E

Auto-retrain control

 

%G

Rate renegotiation

 

-C

Generate data mode calling tone

 

+ES

Error control selection

 

+MS

Modulation selection

 

*NC

CallerID settings

 

+VCID

Country code setting

 

@D

Accept a new firmware image to flash

Tab. 8-23:Overview of AT Commands (2)

8.2.2AT Command Descriptions

This chapter describes the most important AT commands of the modem. The values marked with an asterisk (*) are the default values.

+TFORMAT - Sets the data format

Sets the data format of the serial interface. +TFORMAT="Dataformat"

Dataformat: DatabitsParityStopbits

Databits:

8,

7

Parity:

N

(none), O (odd), E (even), X (auto-detection, default)

Stopbits:

1,

2

+TBAUD - Set the baudrate

Sets the baud rate of the serial interface. +TBAUD="Baudrate"

Baudrate: AUTO (default), 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400

&K - Select Serial Port Flow Control

This command specifies the DTE-to-modem flow control. Software flow control uses the charac- ters XOFF (13h) and XON (11h) to stop and start data transmission, respectively, both to and from the DTE. Bidirectional hardware flow control uses RTS/CTS to stop and start data from the modem

&K0

Disables flow control

&K3*

Bi-directional hardware flow control - RTS/CTS

&K4

XON/XOFF software flow control

&D - DTR (Data Terminal Ready) Option

This command controls how the modem responds to DTR. After toggling DTR, the host should wait 200 ms before modifying the UART registers or sending a new command to the modem. This is done because the modem does not send an ‘OK’ message to indicate it has performed the requested function.

&D0

The modem ignores DTR.

&D1

Themodemswitchesfromdatatocommandmodewhenanon-to-offtransitionofDTRoccurs.

&D2*

An on-to-off transition of DTR causes the modem to go on-hook (hang up). While DTR

 

is off, auto-answer is disabled.

&D3

An on-to-off transition of DTR reinitializes the modem. The reinitialize procedure performs the

 

same function as a power-up reset, except that the UART registers are not reconfigured.

8 - 10

MITSUBISHI ELECTRIC

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Mitsubishi Electronics MIM-A01, MIM-G01 AT Command Descriptions, +TFORMAT Sets the data format, +TBAUD Set the baudrate
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