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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Serial Port Control
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
39
Parameter description
<value>: integer; AT&S is equivalent to AT&S0.
z
0 (default value): The DSR is always valid.
z
1: When the ME is in command mode, the DSR is invalid. When the ME is in
data mode, the DSR is valid.
4.5 AT+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
command
AT+IPR=?
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
command
AT+IPR?
Function
Reads the current baud rate of the DTE-DCE.
Response
<CR><LF>+IPR: <rate><CR><LF>
<CR><LF>OK<CR><LF>