Distributed intelligent door monitoring system realize remote control and data collection by RS-485 bus, the telephone network is used as transmission medium.
文章介绍的分布式智能门禁监控系统采用RS- 4 85总线技术，以程控电话网为媒介来进行远程的数据采集和设备控制。
Distributed intelligent door monitoring system realize remote control and data collection by RS-485 bus, the telephone network is used as transmission medium.
文章介绍的分布式智能门禁监控系统采用RS- 4 85总线技术，以程控电话网为媒介来进行远程的数据采集和设备控制。
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