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Huawei MG323 Electrical and Reliability Features, About This Chapter, Extreme Working Conditions

Models: MG323

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5 Electrical and Reliability Features

HUAWEI MG323 GSM M2M Module
Hardware Guide	Electrical and Reliability Features

5 Electrical and Reliability Features

5.1 About This Chapter

This chapter describes the electrical and reliability features of the interfaces in the MG323 module, including:

Extreme Working Conditions

Operating and Storage Temperatures and Humidity

Electrical Criteria of Application Interfaces

Power Supply Features

Reliability Features

ESD Features

5.2Extreme Working Conditions

Table 5-1lists the extreme working conditions for the MG323 module. Using the MG323 module beyond these conditions may result in permanent damage to the module.

Table 5-1Extreme working conditions for the MG323 module

Symbol	Specification	Minimum Value	Maximum Value	Unit

VBAT	External power voltage	–0.40	6.00	V

VCOIN	Input voltage of standby	2.00	3.15	V
	power for the RTC

VI	Digital pin voltage	–0.40	VI+0.40	V

	Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	35
		Copyright © Huawei Technologies Co., Ltd.

Image 35

Huawei MG323 Electrical and Reliability Features, About This Chapter, Extreme Working Conditions, Symbol, Minimum Value

Contents

HUAWEI MG323 GSM M2M Module Hardware GuideImport and Export Regulations NO WARRANTYTrademarks and Permissions Date About This DocumentHistory VersionDescriptions VersionDate ChapterChapter Issue 06Version Date3 Description of the Application Interfaces Contents6 Mechanical Specifications 5 Electrical and Reliability Features7 Appendix A Circuits of Typical Interfaces 8 Appendix B Acronyms and Abbreviations1.1 Overview 1 Introduction2.2 Function Overview Feature2 Overall Description 2.1 About This ChapterDescription FeatureSee the HUAWEI MG323 Series Wireless Module AT Command Interface SpecificationDescription 2.3 Application Block Diagram2.4 Circuit Block Diagram FeatureOverall Description Issue 06HUAWEI MG323 GSM M2M Module Hardware Guide3.1 About This Chapter 3.2 B2B Connector Interface3 Description of the Application Interfaces Description DC CharacteristicsPin Name NormalNormal DC CharacteristicsPin Name DescriptionPin Name 3.3 Power Interface3.3.1 Overview DC CharacteristicsPin No Signal Name3.3.2 VBAT Interface Module3.4.1 Overview 3.4 Power-On and Power-Off Time Sequence3.3.3 VCOIN Interface 3.3.4 VIO InterfaceDescription 3.4.2 Power-On Time SequenceSignal Name Pin No3.5.1 Overview 3.5 Signal Control Interface3.4.3 Power-Off Time Sequence 3.4.4 RESETDescription 3.5.2 Input Signal Control PinsSignal Name Pin NoOutput Status of the LEDSTATUS Pin 3.5.3 Output Signal Control PinWorking or Network Status Signal Name 3.6 UART Interface3.6.1 Overview DirectionPin No 3.6.2 Circuit Recommended for the UART InterfaceSignal Name FeaturePin No 3.7 SIM Card Interface3.7.1 Overview Signal NameDescription 3.7.2 Circuit Recommended for the SIM Card InterfaceSignal Name Pin No3.8 Audio Interface Description of the Application Interfaces IssueHUAWEI MG323 GSM M2M Module Hardware Guide4.1 About This Chapter 4.2 Antenna Installation4 Antenna Interface Type Material 4.3 Coaxial Cable and RF ConnectorRated Condition EnvironmentalIt is recommended that you use the Hirose coaxial cable with the RF Minimum 4.5 RF Specifications of the Antenna InterfaceSpecification 4.4 ESD Protection for the Antenna InterfaceMaximum SpecificationMinimum Typical4.6 Specifications of the Antenna Interface 5.2 Extreme Working Conditions 5 Electrical and Reliability FeaturesSymbol 5.1 About This ChapterSignal Name 5.3 Operating and Storage Temperatures and Humidity5.4 Electrical Criteria of Application Interfaces SpecificationLevel FunctionWaveform and RemarksRemarks Signal NameFunction Waveform andRemarks Signal NameFunction Waveform andParameter 5.5 Power Supply Features5.5.1 Input Power Supply 5.5.2 Working CurrentRemark ConfigurationWorking Mode Typical valueConfiguration 5.6 Reliability FeaturesTest Condition StandardStandard Test ConditionAir Discharge 5.7 ESD FeaturesESD Test Standard Contact Discharge6.1 Overview 6 Mechanical Specifications6.2 Dimensions HUAWEI MG323 GSM M2M Module 6.3 Dimensions of the B2B ConnectorMechanical Specifications Issue 06Height mm ModelStacking HRS Number6.4 MG323 Module Installation Description Figure 6-6 MG323 module installation 6.5 Specification Selection for Fasteners Hardware Guide Mechanical SpecificationsIssue 06 HUAWEI MG323 GSM M2M ModuleHUAWEI MG323 GSM M2M Module Issue 06RESET 7 Appendix A Circuits of Typical InterfacesExpansion 8 Appendix B Acronyms and AbbreviationsAcronym or Abbreviation PBCCH Acronym or AbbreviationExpansion