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HUAWEI MG323 GSM M2M Module
Hardware Guide
Description of the Application Interfaces
Issue 04 (2011-08-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Figure 3-3 Power-on time sequence
Fetch Ext Code in the figure is a file system in the MG323 module.
3.4.3 Power-Off Time Sequence
The MG323 module supports power-off through the TERM_ON interface or the
AT^SMSO command. Figure 3-4 shows the power-off time sequence.
Figure 3-4 Power-off time sequence
The processing of the power-off event depends on the normal stop time of the file system in
the MG323 module. The processing varies with the capacity of the file system.
3.4.4 RESET
The MG323 module supports hardware reset function. If the software of the MG323
module stops responding, you can reset the hardware through the RESET signal.
After the hardware is reset, the software starts powering on the module and reports