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MG323 manual
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Contents
Main
Hardware Guide
Huawei Technologies Co., Ltd.
Copyright Huawei Technologies Co., Ltd. 2013. All rights reserved.
Trademarks and Permissions
Notice
NO WARRANTY
About This Document
History
Page
Page
Contents
Page
1
1.1 Overview
2
2.1 About This Chapter
2.2 Function Overview
Page
2.3 Application Block Diagram
2.4 Circuit Block Diagram
Page
3
3.1 About This Chapter
3.2 B2B Connector Interface
Page
Page
3.3 Power Interface
3.3.1 Overview
3.3.2 VBAT Interface
Module
3.3.3 VCOIN Interface
3.3.4 VIO Interface
3.4 Power-On and Power-Off Time Sequence
3.4.1 Overview
3.4.2 Power-On Time Sequence
3.4.3 Power-Off Time Sequence
3.4.4 RESET
3.5 Signal Control Interface
3.5.1 Overview
3.5.2 Input Signal Control Pins
Application Device
3.5.3 Output Signal Control Pin
3.6 UART Interface
3.6.1 Overview
3.6.2 Circuit Recommended for the UART Interface
1s 1s 1s
4s 4s 4s
3.7 SIM Card Interface
3.7.1 Overview
3.7.2 Circuit Recommended for the SIM Card Interface
3.8 Audio Interface
Page
4
4.1 About This Chapter
4.2 Antenna Installation
4.3 Coaxial Cable and RF Connector
Page
4.4 ESD Protection for the Antenna Interface
4.5 RF Specifications of the Antenna Interface
Page
4.6 Specifications of the Antenna Interface
5
5.1 About This Chapter
5.2 Extreme Working Conditions
5.3 Operating and Storage Temperatures and Humidity
5.4 Electrical Criteria of Application Interfaces
Page
Page
Page
5.5 Power Supply Features
5.5.1 Input Power Supply
5.5.2 Working Current
Page
5.6 Reliability Features
Page
5.7 ESD Features
6
6.1 Overview
6.2 Dimensions
6.3 Dimensions of the B2B Connector
Page
6.4 MG323 Module Installation Description
Page
6.5 Specification Selection for Fasteners
Page
HUAWEI MG323 GSM M2M Module Hardware Guide
52
Issue 06 (2013-06-13)
Figure 7-1 Circuits of typical interfaces in the MG323 module
8