FIRE DETECTION AND ALARM SYSTEM (FDAS) Annunciators L@titude Network Vision Repeater Annunciators Analog Addressable Control Panels & Accessories Sensors Analog Sensor Bases (YBN-NSA-4) Bases Projected Beam Smoke Detector (SPC-24) Beam Detectors (Photoelectric Smoke Detectors) Detectors (Heat Detectors) Modules Pull Stations