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HUAWEI MG323 GSM M2M Module
Hardware Guide
Structure
Issue 04 (2011-08-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
46
board and functions as a brace and connects the MG323 module and user interface
board through the reference GND. Below the user interface board, the nuts are used
to fasten the screws. Figure 6-6 shows the MG323 module installation.
Figure 6-6 MG323 module installation
[1]: Pay great attention to ESD protection when using the MG323 module. To ensure that the
working reference GND is connected to the MG323 module and user interface board properly,
you are recommended not to spray a coated insulation on the structure fixing hole (connecting
with the main reference GND of the user interface board) and connect the hole with the
MG323 module through the metal fastener or other low-resistance fastener.