基于公用电话网的远程拨号智能预警系统

The Intellectual Pre -alarm System Based on the Public Telephone Network

介绍了一种使用公用电话网进行远程拨号预警的系统。该系统用Altera公司的EPM7128SLC84_15可编程逻辑器件作控制核心,实现了对远程系统的拨号预警功能。

This paper describes the tele -dial up pre -alarm system using the public t elephone net-work.The system makes use of the Alte ra' s EPM7128SLC84-15CPLD as the contro l core,and imple-ments the dial up pre -alarm function of the long -distance systems.