Application Block Diagram, Circuit Block Diagram | Huawei MG323

HUAWEI MG323 GSM M2M Module

Hardware Guide		Overall Description

	Feature	Description

	Certification	Restriction of the use of certain Hazardous Substances (RoHS),
	information	European Conformity (CE), Federal Communications
		Commission (FCC), CMIIT, China Compulsory Certification
		(CCC), GCF (GSM Certification Forum)

.

[1]:The temperatures outside of the range –20°C to +70°C; the module might slightly deviate from 3GPP TS 45.005 specifications.

2.3 Application Block Diagram

Figure 2-1shows the application block diagram of the MG323 module.

Figure 2-1Application block diagram of the MG323 module

2.4 Circuit Block Diagram

The circuit block diagram and major functional units of the MG323 module contain the following parts:

Baseband controller

	Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	11
		Copyright © Huawei Technologies Co., Ltd.

Image 11

Huawei MG323 manual Application Block Diagram, Circuit Block Diagram

Contents

Hardware Guide Issue Date No Warranty Creation About This DocumentHistory Version Date Chapter Descriptions Version Date Chapter Descriptions Specifications of the antenna interface Updated .8 Audio InterfaceUpdated -3 Recommended Contents Electrical and Reliability Features Overview Introduction Function Overview Feature DescriptionOverall Description About This Chapter Gprs Gprs Class DRX=2DRX=5 DRX=9 SMS Circuit Block Diagram Application Block Diagram 2Circuit block diagram of the MG323 module Description of the Application Interfaces B2B Connector Interface Min Tpy Max Pin Pin Name Description DC Characteristics Normal Ledstatus ResetTermon UART1DCD Vbat Power InterfaceOverview VIO DCE Pin No Signal Name DescriptionVbat Interface GND Vcoin VIO Interface Power-On and Power-Off Time SequenceVcoin Interface Pin for resetting the hardware Power-On Time SequencePin for controlling power-on and power-off Reset Signal Control InterfacePower-Off Time Sequence Pin for network status LED Input Signal Control Pins Working or Network Status Output Signal Control PinApplication Device Uart Interface Pin No Signal Name Description Feature Direction DCE data set DCE is ready DCE to DTE Ready Circuit Recommended for the Uart InterfaceDCE receive DTE transmits DTE to DCE Data Serial data DCE data DTE is ready DTE to DCE Terminal ready Reset signal of the SIM card Clock signal of the SIM cardPower supply of the SIM card Data signal of the SIM card Circuit Recommended for the SIM Card Interface Ground signal of the SIM card Audio Interface 12External circuit for 32 Ω handsets/16 Ω headsets 13External circuit for the microphone interface Antenna Interface Antenna Installation Environmental Type Material Condition Coaxial Cable and RF Connector Huawei MG323 GSM M2M Module Hardware Guide Antenna Interface Uplink frequency range GSM 824 849 MHz RF Specifications of the Antenna InterfaceSpecification Minimum Typical Maximum Unit Value ESD Protection for the Antenna Interface Specification Minimum Typical Maximum Unit Value Polarization Linear polarization Pattern Omnidirectional Specifications of the Antenna Interface Extreme Working Conditions Electrical and Reliability FeaturesSymbol Specification Minimum Value Maximum Value Unit External power voltage Electrical Criteria of Application Interfaces Operating and Storage Temperatures and HumiditySpecification Minimum Value Maximum Value Unit Pin No Signal Name Than 3.3 Function Signal Name Waveform Remarks LevelPower supply Voltage great drop. The Vbat power voltage Ledstatu Pins 41, 43, 45, 47, and 49 are power GND ExternalPower pin VBAT=0 UART1DSR UART1RTS UART1DTR UART1CTS UART1DCD UART1 UART1RDUART1RIN Parameter Minimum Value Typical Value Maximum Value Unit Power Supply FeaturesInput Power Supply Working Current Band Typical Unit Working Mode Typical value Unit RemarkConfiguration Test Condition Standard Reliability FeaturesConfiguration Value Up/1 Down 123 Test Condition Standard EN61000-4-2 ±4 kV ±8 kV ESD FeaturesESD Test Standard Contact Discharge Air Discharge Dimensions L x W x H 35 mm x 32.5 mm x 3.05 mm Mechanical SpecificationsDimensions 1Dimensions of the MG323 module unit mm Dimensions of the B2B Connector Model Stacking HRS Number Height mm 5Structure fixing hole MG323 Module Installation Description 6MG323 module installation 7Machine screw dimensions Specification Selection for Fasteners 8Nut dimensions 1Circuits of typical interfaces in the MG323 module Appendix a Circuits of Typical Interfaces Acronym or Abbreviation Expansion Appendix B Acronyms and Abbreviations RTC PbcchPCB PDU