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HUAWEI ME909 Series Mini PCIe Module
Hardware Guide
Description of the Application Interfaces
Issue 0.1 (2013-06-09)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
20
Pin
No.
Pin Name
I/O
Description
DC Characteristics (V)
Min.
Typ.
Max.
8
UIM_PWR
P
Power source for
the external
USIM card
-
1.8/2.85
-
3.10.2 Circuit Recommended for the USIM Card Interface
As the Mini PCIe Adapter is not equipped with an USIM socket, you need to place an
USIM socket on the user interface board.
Figure 3-9 shows the circuit of the USIM card interface.
Figure 3-9 Circuit of the USIM card interface