Huawei MU739 Hardware Manual page 28

HUAWEI MU739 HSPA+ LGA Module
Hardware Guide
Figure 3-11 Driving circuit
The brightness of the LED depends on the current value, and for most of the indicator
lights the current from 2 mA to 5 mA is already enough.
Figure 3-12 LED Typical Electro-Optical Characteristics Curves
SLEEP_STATUS Signal
The SLEEP_STATUS signal is used to indicate the status of MU739. The AP can get
to know the module is in sleep or not by reading this pin.
Issue 01 (2011-08-24)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
28