Audio and video network holds alarm sensor in place with a net, it relates to an audio frequency and video host computer, concretely relates to audio and video network holds alarm sensor in place with a net. Contain audio alarming host computer (1), it still contains network remote control device (2), alarm linkage output interface (3), and install on audio alarming host computer (1) network remote control device (2) and alarm linkage output interface (3), and network remote control device (2) are equipped with 16 road networks twine warning input, and 4 the tunnel report to the police exports, provided with network interface (3 on alarm linkage output interface (3) 1 )And configuration interface (3 2 ). The utility model discloses utilizing internet access remote control's audio alarming host computer and taking the alarm linkage output interface, risen broadcasting system stability, through network technique, the line of reduction equipment room reduces engineering cost, disposes more intelligently, high -efficient.