EGS5 Hardware Interface Description
5.9 Electrostatic Discharge
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EGS5_HD_v02.004
Page 104 of 123
2012-02-09
Confidential / Released
5.9
Electrostatic Discharge
The GSM module is not protected against Electrostatic Discharge (ESD) in general. Conse-
quently, it is subject to ESD handling precautions that typically apply to ESD sensitive compo-
nents. Proper ESD handling and packaging procedures must be applied throughout the
processing, handling and operation of any application that incorporates a EGS5 module.
Special ESD protection provided on EGS5
:
SIM interface: clamp diodes for protection against overvoltage.
The remaining ports of EGS5 are not accessible to the user of the final product (since they are
installed within the device) and therefore, are only protected according to the "Human Body
Model" requirements.
EGS5 has been tested according to the EN 61000-4-2 standard. Electrostatic values can be
gathered from the following table.
Note: Please note that the values may vary with the individual application design. For example,
it matters whether or not the application platform is grounded over external devices like a com-
puter or other equipment, such as the Cinterion Wireless Modules reference application de-
scribed in
Table 36:
Electrostatic values
Specification / Requirements
Contact discharge
Air discharge
ETSI EN 301 489-1/7
SIM interface
±
4 kV
±
8 kV
JEDEC JESD22-A114D
All other interfaces
±
1 kV Human Body Model
n.a.
