DIM800 (PCB-ASSY 125-585-651) is a detector input monitor module manufactured by TYCO (Johnson Controls). It belongs to the Minerva MX fire alarm system, used to connect conventional smoke and heat detectors to addressable signal loops.
This PCB assembly supports 24V DC power supply, equipped with bus terminals and detector circuit terminals. It can monitor circuit faults including open circuit and short circuit, and transmits detector status to fire alarm control panel. Widely applied on cargo ships and offshore vessels as an essential part of marine fire detection system.
