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HUAWEI MG323 GSM M2M Module
Hardware Guide
Issue 06
Date 2013-06-13
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Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For any assistance, please contact our local office or company headquarters. Huawei Technologies Co., Ltd. Huawei Industrial Base, Bantian, Longgang, Shenzhen 518129, People’s Republic of China Tel: +86-755-28780808 Global Hotline: +86-755-28560808 Website: www.huawei.com E-mail: mobile@huawei.com Please refer color and shape to product. Huawei reserves the right to make changes or improve
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HUAWEI MG323 GSM M2M Module Hardware Guide About This Document About This Document History Version Date Chapter Descriptions 01 Creation 02 2010-10-25 1 Deleted “1.2 Related Documents” 3.1 Deleted “Charging Interface (TBD)” 3.6.1 Revised “Table 3-5 UART1 interface signals” 3.8 Deleted “Charging Interface (TBD)” Added “Audio Interface” 7 Revised “Figure 7-1 Circuits of typical interfaces in the MG323 module” 03 2011-07-18 2.2 Added authentication information-CCC, GCF and mode
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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 2.3 Updated Figure 2-1 Application block diagram of the MG323 module 2.4 Updated Figure 2-2 Circuit block diagram of the MG323 module 3.2 Updated 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 3.5.2 Updated Fig
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HUAWEI MG323 GSM M2M Module Hardware Guide About This Document Version Date Chapter Descriptions 3.8 Updated Chapter 3.8 Audio Interface 4.6 Updated Table 4-3 Recommended specifications of the antenna interface 7 Updated Figure 7-1 Circuits of typical interfaces in the MG323 module Huawei Proprietary and Confidential Issue 06 (2013-06-13) 5 Copyright © Huawei Technologies Co., Ltd.
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HUAWEI MG323 GSM M2M Module Hardware Guide Contents Contents 1 Introduction.................................................................................................................................... 8 1.1 Overview .......................................................................................................................................... 8 2 Overall Description ........................................................................................................
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HUAWEI MG323 GSM M2M Module Hardware Guide Contents 4.1 About This Chapter ......................................................................................................................... 29 4.2 Antenna Installation ........................................................................................................................ 29 4.3 Coaxial Cable and RF Connector .................................................................................................. 30 4.4
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HUAWEI MG323 GSM M2M Module Hardware Guide Introduction 1 Introduction 1.1 Overview This document describes the hardware application interfaces and air interfaces that are provided when the Huawei MG323 GSM M2M module (hereinafter referred to as the MG323 module) is used. This document helps you to understand the interface specifications, electrical features, and related product information of the MG323 module. Huawei Proprietary and Confidential Issue 06 (2013-06-13) 8 Copyrig
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HUAWEI MG323 GSM M2M Module Hardware Guide Overall Description 2 Overall Description 2.1 About This Chapter This chapter gives a general description of the MG323 module and provides: Function Overview Application Block Diagram Circuit Block Diagram 2.2 Function Overview Table 2-1 Feature Feature Description Working bands Four supported frequency bands: GSM850 MHz/900 MHz/1800 MHz/1900 MHz Maximum GSM850 Class 4 (2 W) transmission EGSM900 Class 4 (2 W) power DCS1
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HUAWEI MG323 GSM M2M Module Hardware Guide Overall Description Feature Description Power Power-off current: 50 µA consumption Average DRX=2 < 3.0 mA (current) standby current DRX=5 < 2.5 mA DRX=9 < 2.0 mA GPRS Class 10 (maximum): 455 mA Protocols GSM/GPRS Phase2/2+ AT commands See the HUAWEI MG323 Series Wireless Module AT Command Interface Specification. Application UART1 (supporting 8-wire UART) interface (50- One standard Subscriber Identity Module (SIM) card interface p
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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 Figur
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HUAWEI MG323 GSM M2M Module Hardware Guide Overall Description Power management Multi-chip package (MCP) memory Radio frequency (RF) transceiver 26 MHz clock 32 kHz clock RF front-end modules Receive filter Figure 2-2 Circuit block diagram of the MG323 module Huawei Proprietary and Confidential Issue 06 (2013-06-13) 12 Copyright © Huawei Technologies Co., Ltd.
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces 3 Description of the Application Interfaces 3.1 About This Chapter This chapter mainly describes the external application interfaces of the MG323 module, including: B2B Connector Interface Power Interface Power-On and Power-Off Time Sequence Signal Control Interface UART Interface SIM Card Interface Audio Interface 3.2 B2B Connector Interface The MG323 module uses a 50-pin
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces Table 3-1 Definitions of pins on the B2B connector Pin Pin Name I/O Description DC Characteristics (V) No. Normal MUX Min. Tpy. Max 1 SIM_CLK - O Clock signal of the SIM - 1.80/2.90 - card 2 INTEAR_N - AO Negative pole of the - - - output of handset speaker 3 VSIM - P Power supply of the - 1.80/2.90 - SIM card 4 INTEAR_P - AO Positive pole of the - - - output of handset speaker 5 SIM_DATA -
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces Pin Pin Name I/O Description DC Characteristics (V) No. Normal MUX Min. Tpy. Max 17 NC - - Not connected, please - - - keep this pin open 18 GND - - Ground - - - Not connected, please 19 NC - - - - - keep this pin open Power on/power off internal 20 TERM_ON - I - - control pulled up 21 NC - - Not connected, please - - - keep this pin open 22 RESET - I Hardware reset –0.40 2.80 3.20 23 NC -
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces Pin Pin Name I/O Description DC Characteristics (V) No. Normal MUX Min. Tpy. Max 39 NC - - Not connected, please - - - keep this pin open 40 VIO - P External power output 2.70 2.80 2.95 41 GND - - Ground - - - 42 VBAT - P Power supply input 3.30 3.80 4.80 43 GND - - Ground - - - 44 VBAT - P Power supply input 3.30 3.80 4.80 45 GND - - Ground - - - 46 VBAT - P Power supply input 3.30 3.80 4.80
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces Table 3-2 Definitions of the pins on the power supply interface Pin No. Signal Name I/O Description 42, 44, 46, 48, 50 VBAT P Pins for Power supply input 41, 43, 45, 47, 49 GND - GND 35 VCOIN P Pin for standby power input of the RTC 40 VIO P Pin for external power output 3.3.2 VBAT Interface When the MG323 module works normally, power is supplied through the VBAT pins and the voltage ranges fr
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces 3.3.3 VCOIN Interface VCOIN is an interface for standby power input of the RTC in the MG323 module. If the VBAT interface is ready for power supply, it on priority supplies the RTC with power. If the VBAT interface is not ready, the VCOIN interface provides standby power input for the RTC. In this case, the MG323 module needs 5 µA to maintain the RTC function. You can use an external battery to supp
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces Table 3-3 Definitions of pins of the power-on/power-off and reset interfaces Pin No. Signal Name I/O Description 20 TERM_ON I Pin for controlling power-on and power-off 22 RESET I Pin for resetting the hardware 3.4.2 Power-On Time Sequence Make sure that the MG323 module is powered on at the voltage and operating temperature in the recommended range. Otherwise, the module may get damaged or
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HUAWEI MG323 GSM M2M Module Hardware Guide Description of the Application Interfaces Fetch Ext Code in the figure is a file system in the MG323 module. Before powering on the MG323, make sure that TERM_ON is in High-Z condition. 3.4.3 Power-Off Time Sequence The MG323 module supports power-off through the TERM_ON interface or the AT^SMSO command. Figure 3-5 shows the power-off time sequence. Figure 3-5 Power-off time sequence The processing of the power-off event
