System Sensor COSMOD2W i4 Series 2-Wire Interface Module simplifies the integration of compatible smoke and carbon monoxide detectors with a wide range of fire alarm control panels. Designed to support up to 12 connected devices, it enables coordinated signaling, streamlined wiring, and enhanced system monitoring for residential and commercial life safety applications.

• Supports integration of up to 12 compatible i4 Series and i3 Series detectors using only 2 to 3 control panel zones
• Compatible with System Sensor COSMO-2W combination smoke and CO detectors as well as 2WTA-B smoke detectors
• Transmits separate smoke, carbon monoxide, and optional trouble signals to connected fire alarm control panels
• Interconnects detector sounders so all connected devices activate when a smoke or CO event is detected
• LED status indicators provide instant visual feedback for normal operation, wiring faults, maintenance conditions, and alarm events