CFI-CF800X series conventional “re alarm control panel supports 1/2/4 zone(s) and 2/3 group(s) of sounders. Each zone can connect up to 50 smoke detectors, heat detectors, manual call points,etc. (The zone monitoring current should be less than 4.5mA). All zones and sounders of the “re alarm system can be disabled. All input and output devices are monitored by the control panel, and the control panel will automatically disconnect when the zones or sounders are short. The control panel can provide 24VDC / 300mA power for products that require an additional 24V power supply. The detailed status indicators clearly show the working status of the control panel and provide the “rst “re alarm and subsequent “re alarm functions. After the control panel sends a “re alarm signal, it can provide up to 120 seconds delay time to con”rm whether there is a real “re alarm. In addition, the control panel also provides the mains-lost silence function. After con”gure the mains-lost silence mode, the control panel will no longer send a fault sound signal to remind the user when the main power is lost.