Serial Port Configuration Application Scenarios; Baud Rate Configuration; Reference Process; Troubleshooting - Huawei MU609 Application Manual

HUAWEI MU609 HSPA LGA Module
Application Guide
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3.1 Baud Rate Configuration

3.1.1 Reference Process

Command
AT+IPR?
+IPR: 115200
OK
AT+IPR="<baud rate>"
OK
Notes:

3.1.2 Troubleshooting

Scenario
Specify a baud rate not
supported by a
module.
Issue 02 (2013-09-18)
Serial Port Configuration Application
 If a module's baud rate is too low, its communication speed will be slow.
 At present, the MU609 supports the following baud rates: 300, 600, 1200, 2400, 4800,
9600, 19200, 38400, 57600, 115200, and 230400.
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Copyright © Huawei Technologies Co., Ltd.

Serial Port Configuration Application Scenarios

Description
Query the baud rate currently used by a module.
Set a module's baud rate. After a new baud rate is
specified, the module communicates using the new
baud rate.
Possible Error
Information
AT+IPR="<baud rate>"
ERROR
Scenarios
Solution
Check that the specified
baud rate is within the range
of supported baud rates.
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