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Huawei Appendix A Circuits of Typical Interfaces, HUAWEI MG323 GSM M2M Module, Hardware Guide

Models: MG323

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HUAWEI MG323 GSM M2M Module
Hardware Guide	Appendix A Circuits of Typical Interfaces

7 Appendix A Circuits of Typical Interfaces

Figure 7-1Circuits of typical interfaces in the MG323 module

VGPIO

UART1_DTR_MCU

UART1_TD_MCU

UART1_RD_MCU

UART1_RTS_MCU


	100nf	1uf

VGPIO	VCCA	VCCB	VIO
	VCCA	VCCB
UART1_DTR_MCU	A1	B1	UART1_DTR
	A1	B1
UART1_TD_MCU	A2	B2	UART1_TD
UART1_RD_MCU	A3	B3	UART1_RD
UART1_RTS_MCU	A4	B4	UART1_RTS
	A4	B4
	GND	OE
			10K
			VGPIO
		c
	b		nF
			nF
		e
		c
	b		nF
		e

									F err ite bea d
				+	+	+	+	+
330 pF	100 nF	1 μ F	22 μ F	220 μ F	220 μ F	220 μ F	220 μ F	220 μ F	0
VIO
UA R T1_DTR
UA R T1_TD
UA R T1_RD									0.1u
UA R T1_ R TS
RESET
					VBAT
LED _ST AT U S
					470Ω
		LED _ST AT U S
			2.2K		b	c
					b
						e

Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	52
	Copyright © Huawei Technologies Co., Ltd.

Page 52

Image 52

Huawei Appendix A Circuits of Typical Interfaces, HUAWEI MG323 GSM M2M Module, Hardware Guide, Issue 06, 0.1u, Reset

Contents

Hardware Guide HUAWEI MG323 GSM M2M ModuleTrademarks and Permissions NO WARRANTYImport and Export Regulations About This Document HistoryVersion DateVersion DateChapter DescriptionsIssue 06 VersionDate ChapterContents 3 Description of the Application Interfaces5 Electrical and Reliability Features 7 Appendix A Circuits of Typical Interfaces8 Appendix B Acronyms and Abbreviations 6 Mechanical Specifications1 Introduction 1.1 OverviewFeature 2 Overall Description2.1 About This Chapter 2.2 Function OverviewFeature See the HUAWEI MG323 Series Wireless Module AT CommandInterface Specification Description2.3 Application Block Diagram 2.4 Circuit Block DiagramFeature DescriptionIssue 06 HUAWEI MG323 GSM M2M ModuleHardware Guide Overall Description3 Description of the Application Interfaces 3.2 B2B Connector Interface3.1 About This Chapter DC Characteristics Pin NameNormal DescriptionDC Characteristics Pin NameDescription Normal3.3 Power Interface 3.3.1 OverviewDC Characteristics Pin NameSignal Name 3.3.2 VBAT InterfaceModule Pin No3.4 Power-On and Power-Off Time Sequence 3.3.3 VCOIN Interface3.3.4 VIO Interface 3.4.1 Overview3.4.2 Power-On Time Sequence Signal NamePin No Description3.5 Signal Control Interface 3.4.3 Power-Off Time Sequence3.4.4 RESET 3.5.1 Overview3.5.2 Input Signal Control Pins Signal NamePin No DescriptionWorking or Network Status 3.5.3 Output Signal Control PinOutput Status of the LEDSTATUS Pin 3.6 UART Interface 3.6.1 OverviewDirection Signal Name3.6.2 Circuit Recommended for the UART Interface Signal NameFeature Pin No3.7 SIM Card Interface 3.7.1 OverviewSignal Name Pin No3.7.2 Circuit Recommended for the SIM Card Interface Signal NamePin No Description3.8 Audio Interface Issue HUAWEI MG323 GSM M2M ModuleHardware Guide Description of the Application Interfaces4 Antenna Interface 4.2 Antenna Installation4.1 About This Chapter 4.3 Coaxial Cable and RF Connector Rated ConditionEnvironmental Type MaterialIt is recommended that you use the Hirose coaxial cable with the RF 4.5 RF Specifications of the Antenna Interface Specification4.4 ESD Protection for the Antenna Interface MinimumSpecification MinimumTypical Maximum4.6 Specifications of the Antenna Interface 5 Electrical and Reliability Features Symbol5.1 About This Chapter 5.2 Extreme Working Conditions5.3 Operating and Storage Temperatures and Humidity 5.4 Electrical Criteria of Application InterfacesSpecification Signal NameFunction Waveform andRemarks LevelSignal Name FunctionWaveform and RemarksSignal Name FunctionWaveform and Remarks5.5 Power Supply Features 5.5.1 Input Power Supply5.5.2 Working Current ParameterConfiguration Working ModeTypical value Remark5.6 Reliability Features Test ConditionStandard ConfigurationTest Condition Standard5.7 ESD Features ESD Test StandardContact Discharge Air Discharge6.2 Dimensions 6 Mechanical Specifications6.1 Overview 6.3 Dimensions of the B2B Connector Mechanical SpecificationsIssue 06 HUAWEI MG323 GSM M2M ModuleModel StackingHRS Number Height mm6.4 MG323 Module Installation Description Figure 6-6 MG323 module installation 6.5 Specification Selection for Fasteners Mechanical Specifications Issue 06HUAWEI MG323 GSM M2M Module Hardware GuideIssue 06 RESET7 Appendix A Circuits of Typical Interfaces HUAWEI MG323 GSM M2M ModuleAcronym or Abbreviation 8 Appendix B Acronyms and AbbreviationsExpansion Expansion Acronym or AbbreviationPBCCH

Appendix A Circuits of Typical Interfaces

7 Appendix A Circuits of Typical Interfaces

0.1u

RESET

VBAT

470Ω

2.2K