delphi 网口通讯，串口通讯 连接服务器，很简单的，工业的modbus通讯协议
delphi network port communications, serial communications connection to the server, a very simple, industrial modbus communication protocol (2013-07-04, Delphi, 488KB, 下载19次)
PC机和以太网转串口设备通讯例子,很好用的，可测试网络接口的数据收发。
PC and Ethernet to serial communications equipment examples of good, it can test the network interface data transceiver. (2006-03-19, Delphi, 181KB, 下载114次)