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Multi-channel public announcement and voice alarm system architecture to support addressable devices, wireless expansion and intercom
Multi-channel public announcement and voice alarm system architecture to support addressable devices, wireless expansion and intercom
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机译:多通道公共广播和语音报警系统架构,可支持可寻址设备,无线扩展和对讲机
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摘要
An apparatus is provided that includes a security system that protects a secured geographic area, an audio annunciator of the security system, a pair of conductors that connects the audio annunciator to a control panel of the security system, wherein the pair of conductors supplies power to the audio annunciator, and a transceiver of the audio annunciator that exchanges messages with the control panel under a time division multiple access (TDMA) format through the pair of conductors, wherein the audio annunciator receives streaming audio messages from the control panel through the pair of conductors.
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