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HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide
Figure 3-2 USIM interface schematic on PC
Figure 3-3 Pin definition of the SIM card Socket
pin1:
pin2:
pin3:
3.6.2 Design Guide
The USIM signals are connected to the Mini PCI Express card connector (the card
edge connector) and pass through an EMI filtering and ESD protection circuit on the
Issue 01 (2010-12-09)
SIM_VCC
SIM_RESET
SIM_CLK
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
pin4:
GND
pin5:
NULL
pin6:
SIM_DATA
11
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