Notifier FMM-1A Addressable Monitor Module ULC ListingFour different monitor modules are available for Notifiers intelligent control panels for a variety of applications. Monitor modules supervise a circuit of dry contact input devices, such as conventional heat detectors and pull stations, or monitor and power a circuit of two wire smoke detectors (FZM 1(A)). FMM 1(A) is a standard sized module (typically mounts to a 4" [10. 16 cm] square box) that supervises either a Style D (Class A) or Style B (Class