An intelligent detector owns an independent location in the BUS. PMM-3P interface module serves quite well in wide areas like corridors or halls. PMM-3P, located in the BUS, is accessed to up to 25 ordinary detectors (10 detectors in parallel allowed by GBJ116-88 regulations).
Compatible with bi-wiring detectors
Status supervision of input circuits and external power supply
High anti-interference ability
SEMS bolts simplifying installation and maintenance
Address setting: 1~159
Built-in magnetic test switch
LED endlessly flashing when alarm sound and flashing regularly in normal conditions