Esd Features - Huawei MG301 Hardware Manual

HUAWEI MG301 B2B Module
HardwareGuide
Item
Drop test

5.7 ESD Features

Pay great attention to ESD protection when using the MG301 B2B module. To ensure that
the working reference GND is connected to the MG301 B2B 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 MG301 B2B module through the metal fastener or
other low-resistance fastener. For specific installation method and fastener specification,
see "6.4 MG301 B2B Module Installation Description."
Table 5-9 lists the test results of the ESD performance of the MG301 B2B module
according to the EN61000-4-2 standard.
Table 5-9 ESD performance
ESD Test Standard
EN61000-4-2
Test Condition
First case: 0.3 m in height. Drop the
MG301 B2B module on the marble
terrace with one surface facing
downwards twice. Six surfaces
should be tested.
Second case: 0.8 m in height. Drop
the MG301 B2B module on the
marble terrace with one surface
facing downwards twice. Six
surfaces should be tested.
Contact Discharge
±4 kV
Huawei Proprietary and Confidential Copyright ©
Huawei Technologies Co., Ltd
Issue 06 (2013-06-13)
Electrical and Reliability Features
Standard
IEC60068
Air Discharge
±8 kV
44