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提出一种基于ARM微控制器LPC2138和嵌入式MODEMICOM-1706的电话网远程测控系统设计方案.系统利用LPC2138通过AT命令集控制ICOM-1706,借助有线公共电话网进行数据传输,具有成本低、可靠性高、开发周期短等特点.“,”A long distance measure and control system based on microcontroller LPC2138 and embedded Modem ICOM-1706 is present in this paper.It introduces the techniques of how to use LPC2138 microcontroller to control the embedded modem by AT orders and how to conduct digital communication through PSTN.The system has the advantages of lower cost,high reliability,short development period.