Huawei MG323 manual Version Date Chapter Descriptions

HUAWEI MG323 GSM M2M Module
Hardware Guide				About This Document
	Version	Date	Chapter	Descriptions
05		2013-03-22	2.2	Updated Table 2-1 Feature

2.3Updated Figure 2-1 Application block diagram of the MG323 module

2.4Updated Figure 2-2 Circuit block diagram of the MG323 module

3.2Updated Table 3-1 Definitions of pins on the BEB connector

3.3.2	Updated VBAT interface
3.3.3	Updated Figure 3-3	VCOIN interface circuit
3.4.3	Updated Figure 3-5	Power-off time sequence

3.5.2Updated Figure 3-6 Connections of the TERM_ON and RESET pins

3.5.3Updated Figure 3-7 Driving circuit

3.6.2Added the description for the level of UART interface

3.8.3Updated Figure 3-13 External circuit for 32 Ω handsets/16 Ω headsets

3.8.3Updated Figure 3-14 External circuit for the microphone interface

5.2Updated extreme working conditions of MG323 module

5.4Updated Table 5-4 Electrical features of application interfaces

5.2.2Updated working current of MG323 module

	6.4	Updated Figure 6-6 MG323 module
		installation
	7	Updated Figure 7-1 Circuits of typical
		interfaces in the MG323 module
06	2013-06-13 3.2	Updated Table 3-1
	3.4.2	Updated Figure 3-4 Power-on time sequence
	3.6.1	Updated Chapter 3.6.1 Overview
	3.7.3	Deleted Chapter 3.7.3 ESD Protection for the
		SIM Card Interface

Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	4
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