The FST-951R intelligent addressable detector from Honeywell NOTIFIER attributes stage ID functionality that enables Every detector address to become set with rotary address switches to provide correct detector destinations. Electrical power and connectivity take place inside the imager only along with the OSID-R only needs a solitary normal reflector on https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/