PROBLEM TO BE SOLVED: To provide a transmission system of disaster prevention facility which can reduce a delay of response reception of important information by changing a calling order of terminal devices by a call telegram from a control panel according to states of the terminal devices.;SOLUTION: A transmission line 12-1 is pulled out from a receiver 10, terminal devices such as a plurality of analog sensors 14 and repeaters 16 within the maximum number of addresses for which unique addresses have been set are connected to the transmission line 12-1, call telegrams specifying addresses are transmitted from the receiver 10, and response telegrams are sent from terminal devices each having an address corresponding to the address of the call telegram. The receiver 10 sets weight values according to the states of the terminal devices, such as connection and disconnection of the terminal device or the degree of importance of detection information, set the addresses in an order based on the weight values, and transmits the call messages to the terminal devices.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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