| 摘要 |
A communications system for an alarm or security system. A plurality of sensors are installed in a facility detect an alarm condition together with a control unit interconnected with the sensors and to which an alarm indication is sent by a sensor going into alarm. A communications path is established by which an alarm signal is transmitted from the control unit to an alarm processing station. A central database, remote from the facility, is accessible from the alarm processing station and includes up-to-date, pertinent information relating to the facility including its address and description, information about the sensor that triggered the alarm, a past history of other alarms, and special instructions regarding how responders should respond in the event hazardous materials are located in an area of the facility where the sensor is located. The system further includes a communications capability for providing this information to responders in route to the facility, including text and graphic information.
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