HUAWEI MG323 GSM M2M Module

 

AT Command Interface Specification

Commands for Serial Port Control

Parameter description

<value>: integer; AT&S is equivalent to AT&S0.

z0 (default value): The DSR is always valid.

z1: When the ME is in command mode, the DSR is invalid. When the ME is in data mode, the DSR is valid.

4.5AT+IPR - Command for Setting the Baud Rate of the

DTE-DCE

The AT+IPR command sets the baud rate of the DTE-DCE.

4.5.1 Querying the Supported Baud Rates of the DTE-DCE

Test AT+IPR=? command

Function Queries the supported baud rates of the DTE-DCE.

Response <CR><LF>+IPR: (list of supported auto-detectable <rate>s)[,(list of supported fixed-only <rate>s)]<CR><LF>

<CR><LF>OK<CR><LF>

Parameter description

<rate>: integer, which is saved upon power failure.

0: indicates adaptive baud rate.

Range of baud rate adaptation: 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200.

Fixed baud rate: 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200, and 230400.

Default value: 115200.

4.5.2 Reading the Current Baud Rate of the DTE-DCE

Read AT+IPR? command

Function Reads the current baud rate of the DTE-DCE.

Response <CR><LF>+IPR: <rate><CR><LF> <CR><LF>OK<CR><LF>

Issue 02 (2010-11-23)

Huawei Proprietary and Confidential

39

Copyright © Huawei Technologies Co., Ltd.

 

 

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Huawei MG323 manual AT+IPR Command for Setting the Baud Rate, Querying the Supported Baud Rates of the DTE-DCE