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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.
10
3 Description of the Application Interfaces
3.1 About This Chapter
This chapter mainly describes the external application interfaces of the ME909
module, including:
Mini PCIe Interface
Power Sources and Grounds
Power Supply Time Sequence
WAKE# Signal
RESIN_N Signal
W_DISABLE# Signal
LED_WWAN# Signal
USB Interface
USIM Card Interface
Audio Interface
RF Antenna Connector
Reserved Pins
NC Pins
3.2 Mini PCIe Interface
The ME909 module uses a Mini-PCIe interface as its external interface. For details
about the module and dimensions, see “ 6.2 Dimensions and Interfaces”.