Esd Features - Huawei MG323 Hardware Manual

HUAWEI MG323 GSM M2M Module
Hardware Guide

5.7 ESD Features

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. For specific installation method and fastener
specification, see "6.4 MG323 Module Installation Description."
Table 5-8 lists the test results of the ESD performance of the MG323 module
according to the EN61000-4-2 standard.
Table 5-8 ESD performance
ESD Test Standard
EN61000-4-2
Issue 04 (2011-08-22)
Contact Discharge
± 4 kV
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Electrical and Reliability Features
Air Discharge
± 8 kV
41