The Ziton ZP-LSI-1 is an interface which can be attached directly onto the main control board of any LaserSense aspirating detector. The card plugs into the main control board inside the detector enclosure. The board enables the detector to be directly addressed and communicate with the ZP3 main control panel. Plug in terminals Detectors are wired onto the loop using plug in terminals located on the LaserSense detector main control board. The detector and interface are easily addressed by switch settings prominently positioned on the card.