Wake_Nb_N Signal; Nc Pins; Figure 3-5 Led Typical Electro-Optical Characteristics Curves - Huawei EM820W Hardware Manual

HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide

Figure 3-5 LED typical electro-optical characteristics curves

3.9 WAKE_NB_N Signal

WAKE_NB_N (signal that the module uses to activate the PC)
Support software controls the signal (WAKE_NB_N) that the module uses to activate
the PC . This signal is used for 3G module to wake up the host. It's designed as a
OC gate, so it should be pulled up by the host and it's active-low.

3.10 NC Pins

The NC pins are not internally connected in the EM820W.
Issue 01 (2010-12-09)
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Description of the Application Interfaces
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