Notifier FMM-1 Intelligent Monitor ModuleThe Notifier FMM 1 is an intelligent addressable monitor module for Notifier two wire SLC systems that supervises a circuit of dry contact input devices. It supports Style B (Class B) or Style D (Class A) wiring for normally open fire alarm and supervisory contacts, reports open normal short status to the panel, and can be used to replace MMX 1 modules in existing systems.