Kidde brand intelligent life safety systems offer the power of high-end intelligent processing in configurations that deliver uncomplicated solutions for small to mid-sized applications. With intelligent detection, rotary addressing, automatic device mapping, optional Ethernet connectivity, and a full line of easily-configured optional cards and modules, these fleixble systems offer versatilitity that benefits building owners and contractors alike. The FX-64 provides one Class B intelligent device loop that supports up to 64 device addresses, and two Class B Notification Appliance Circuits (NACs). Optional Class A device wiring is available with the use of a module. The FX-1000 provides one Class A or Class B intelligent device loop that supports up to 250 device addresses. Loop controller modules may be added in combination to expand total system capacity in 250-point increments up to 1,000 device addresses. The FX-1000 panel includes 4 notification appliance circuits (NACs) that may be wired for either Class A or Class B operation. The RZI16-2RS module adds even more capacity to FX installations by adding up to 16 conventional device circuits and two additional NACs. This makes them an ideal retrofit solution that can accommodate new intelligent detectors as well as existing conventional devices.