用串口通信的方式实现双机备份，串口采用了 mscomm控件。

RS232 C51的通讯程序,根据自己的需要稍做修改,就可以使用了.-RS232 C51" s communication procedures, according to their own needs minor changes, you can use.

Philips的LPC900系列，串口配置事例-Philips series, serial configuration examples

AVR单片机ATmega128的串口通讯程序，根据输入的数据，点亮不同的指示灯，可以验证串口通讯的正确性。-AVR ATmega128 serial communications procedures, data entry, lit the lights come on, can verify the correctness of serial communications.

Visual C++ 串口通信技术与工程实践配套（代码）5.4节-Visual C++ Serial communication technology and engineering practice of matching (Code) 5.4

在VB下对串口COMM控件编程和发机制进行了详细地设计，同时可以为串口调试用，不失为一个好工具。习惯于VB编程的朋友可以CC一下了。-in VB Serial COMM under the control programming and the mechanisms to perform detailed design, while it used to debug serial port, is a good tool. Accustomed VB CC friends out.

This project provides a proxy that allows telnet/tcp connections to be made to serial ports on a machine.

c++builder串口编程-c builder Serial Programming

好用的串口调试工具，可自定义波特率，这可是一般的没有的-useful debugging tool available from the definition baud rate, but not the general

8583芯片编程应用写入器件地址写8574端口，写入器件地址读8574端口。-8583 Application Programming chip device addresses written into the 8574 port, write device address read 8,574 ports.

基于ARM9和μC／OS-Ⅱ的Modbus通信协议的实现-Based on ARM9 and μC/OS- Ⅱ of the Modbus communication protocol to achieve