检查串口是否联有modem

串行链路协议的总结 H3CTE认证指南-串行链路原理与配置指南-serial line Internet protocol

vc++网络通信一书所有源码，全部可以编译执行。请将文件属性去掉只读。我从光盘上copy的-vc a communications network on all source code, compile all of the implementation. Please read-only file attributes removed. I copy from the CD

这是关于扩频的一些基本知识,希望能对大家有帮助.-this is about spreading some basic knowledge, we want to help.

应用背景AdHoc网络是无线网络为代表的基础设施网络。在20个节点或站在NS2 Adhoc网络。关键技术 ；AdHoc网络仿真网络模拟器2.35。

这是利用微软RTC做的程序，功能是Call Out。已经在源代码的基础上做了修改，是可以跑的。注意修改include的路径。-This is done using Microsoft RTC procedures, functions Call Out. In the source code so on the basis of the amendment is to be run. Changes include attention to the path.

CDMA的组成及基本原理！有很高的借鉴意义-CDMA composition and the basic principles! Have a high referential significance

delphi入门基本程序,包括OPC的通用协议,在这个基础上进行各个厂家的设备的数据采集-basic entry procedures, including the OPC common agreement on the basis for all manufacturers of the equipment data acquisition

安捷伦CDMA网络测试工具帮助，可以参考此工具的说明进行对网络维护和测试的学习。-Agilent CDMA network testing tools to help, they can refer to the tool descriptions of network maintenance and testing of learning.

串口调试程序源代码-serial debug source code

omron与计算机的通讯-OMRON and computer communications