CTCS (China train contrl system)-3 level radio blocking center device and system

The invention provides a CTCS (China train contrl system)-3 level radio blocking center device and system. The CTCS-3 level radio blocking center device comprises a host and a comprehensive service digital network server; the comprehensive service digital network server is used for receiving train parameter information containing train position information from a train, and the comprehensive service digital network server is connected with the host to transmit the received train parameter information to the host; the host is used for receiving rail status information reported by at least one computer interlock, and configures movement permission for the train according to the train parameter information, the rail status information and the preconfigured line configuration data; and the host is further used for transmitting the movement permission to the train through the comprehensive service digital network server so as to control the running of the train. With the technical scheme of the embodiment of the i