实现智能大厦自动报警系统主要是通过串口通信来实现的。计算机对数模转换设备发送到端口的数据进行处理，并根据用户摄设置信息作出相应动作，同时通知大厦管理人员，确保万无一失。-Intelligent Building automatic alarm system is mainly through serial communications to achieve. Computer digital-to-analog converter equipment sent to the port handl