System capable of providing access control information

The invention discloses a system capable of providing access control information. The system comprises a video signal collector, a video signal distributor, a main controller and an intercom. A waterlevel measurer, a processing system, the main controller and the intercom are connected in series. A video distributor is located at an outlet of a video signal collector. The main controller is located at an outlet of a video annunciator, the intercom is located at an outlet of the master controller, one end of the video signal distributor is connected with the outlet end of the water level measurer, the other end of the video annunciator is connected with the inlet end of the master controller, and the intercom is connected with the outlet end of the master controller. The problem that in the prior art, an entrance guard visual intercom device cannot be remotely used by residents is solved. 本发明公开一种可提供门禁信息的系统，包括视频信号采集器、视频信号分配器、主控器和对讲器，水位测量器、处理系统、主控器和对讲器以串联的方式连接，视频分配器位于视频信号采集器出口处，主控器位于视频信号器出口处，对讲器位于主控器的出口，视频信号分配器一