【摘要】 对计算机控制系统中串口和MODEM通信进行研究 ,利用MODEM建立的模拟信道实现数据远程传输 ,着重介绍了MODEM点对点通信协议的设计和实现 ,保证了通信的可靠性更多还原

【Abstract】 The paper studies the communication based on serial port or modem in computer control system, realizes the long-distance data transmition with simulation channel by modem. This paper mainly introduces design and implementation of this modem point to point communication protocol. This protocol ensures the communication reliability.更多还原