Huawei manual Dimensions of the B2B Connector, 1Dimensions of the MG323 module unit mm

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HUAWEI MG323 GSM M2M Module
Hardware Guide	Mechanical Specifications

Figure 6-1Dimensions of the MG323 module (unit: mm)

6.3 Dimensions of the B2B Connector

The MG323 module uses the 50-pin B2B connector whose model is DF12C(3.0)- 50DS-0.5V(81) and whose pin spacing is 0.5 mm to work with the connector DF12E (3.0)-50DP-0.5V (81) of the DF12 series (both connectors are manufactured by Hirose). For specific models, access http://www.hirose.com.

Figure 6-2DF12C (manufactured by Hirose) used on the MG323 module

	Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	46
		Copyright © Huawei Technologies Co., Ltd.

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Contents Issue Date Hardware GuideNo Warranty Version Date Chapter Descriptions About This DocumentHistory CreationVersion Date Chapter Descriptions Updated -3 Recommended Updated .8 Audio InterfaceSpecifications of the antenna interface Contents Electrical and Reliability Features Introduction OverviewAbout This Chapter Feature DescriptionOverall Description Function OverviewSMS DRX=2DRX=5 DRX=9 Gprs Gprs ClassApplication Block Diagram Circuit Block Diagram2Circuit block diagram of the MG323 module B2B Connector Interface Description of the Application InterfacesPin Pin Name Description DC Characteristics Normal Min Tpy MaxUART1DCD ResetTermon LedstatusVIO Power InterfaceOverview VbatGND Vcoin Pin No Signal Name DescriptionVbat Interface DCEVcoin Interface Power-On and Power-Off Time SequenceVIO Interface Pin for controlling power-on and power-off Power-On Time SequencePin for resetting the hardware Power-Off Time Sequence Signal Control InterfaceReset Input Signal Control Pins Pin for network status LEDApplication Device Output Signal Control PinWorking or Network Status Pin No Signal Name Description Feature Direction Uart InterfaceDCE data DTE is ready DTE to DCE Terminal ready Circuit Recommended for the Uart InterfaceDCE receive DTE transmits DTE to DCE Data Serial data DCE data set DCE is ready DCE to DTE ReadyData signal of the SIM card Clock signal of the SIM cardPower supply of the SIM card Reset signal of the SIM cardGround signal of the SIM card Circuit Recommended for the SIM Card Interface12External circuit for 32 Ω handsets/16 Ω headsets Audio Interface13External circuit for the microphone interface Antenna Installation Antenna InterfaceCoaxial Cable and RF Connector Environmental Type Material ConditionHuawei MG323 GSM M2M Module Hardware Guide Antenna Interface ESD Protection for the Antenna Interface RF Specifications of the Antenna InterfaceSpecification Minimum Typical Maximum Unit Value Uplink frequency range GSM 824 849 MHzSpecification Minimum Typical Maximum Unit Value Specifications of the Antenna Interface Polarization Linear polarization Pattern OmnidirectionalExternal power voltage Electrical and Reliability FeaturesSymbol Specification Minimum Value Maximum Value Unit Extreme Working ConditionsPin No Signal Name Operating and Storage Temperatures and HumiditySpecification Minimum Value Maximum Value Unit Electrical Criteria of Application InterfacesVoltage great drop. The Vbat power voltage Function Signal Name Waveform Remarks LevelPower supply Than 3.3VBAT=0 Pins 41, 43, 45, 47, and 49 are power GND ExternalPower pin LedstatuUART1RIN UART1 UART1RDUART1DSR UART1RTS UART1DTR UART1CTS UART1DCD Working Current Power Supply FeaturesInput Power Supply Parameter Minimum Value Typical Value Maximum Value UnitConfiguration Working Mode Typical value Unit RemarkBand Typical Unit Up/1 Down 123 Reliability FeaturesConfiguration Value Test Condition StandardTest Condition Standard ESD Test Standard Contact Discharge Air Discharge ESD FeaturesEN61000-4-2 ±4 kV ±8 kV Dimensions Mechanical SpecificationsDimensions L x W x H 35 mm x 32.5 mm x 3.05 mm Dimensions of the B2B Connector 1Dimensions of the MG323 module unit mmModel Stacking HRS Number Height mm MG323 Module Installation Description 5Structure fixing hole6MG323 module installation Specification Selection for Fasteners 7Machine screw dimensions8Nut dimensions Appendix a Circuits of Typical Interfaces 1Circuits of typical interfaces in the MG323 moduleAppendix B Acronyms and Abbreviations Acronym or Abbreviation ExpansionPDU PbcchPCB RTC

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