BPO-4 unit is a part of the radio system of notification transmission "Struna-5" and is designed to: control the status of 4 universal alarm loops (loops); control external light and sound sirens (2 channels); generate and transmit to the monitoring station through the radio-channel object unit via RS-485 interface information about the unit operation mode and the status of the loop; receive and execute commands from the monitoring station.
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