| 摘要 |
A monitoring system includes a plurality of sites being monitored for predetermined events. One or more sensor at each site detect at least one predetermined event in a specified area. One or more communications modules at each site communicate with the sensor and transmit an alert signal of the event using a communications system. The communications module(s) communicates with the sensor, and the communications module transmits the alert signal of the event using a communications system. A remotely located computer system communicates with the communications module using the communications system. The computer system logically divides and presents on a display data about the sites being monitored. The computer system controls the communications between the communications module and the computer system for receiving transmissions from, and sending transmissions to, the communications module. The computer system communicates an alarm signal after receiving the alert signal.
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