The 4001 non-addressable control and indicating equipment forms the central part of a fire detection and alarm System.The 2-wire 4001 is compatible with numens non-addressable devices. The 4001 comes standard with features that allows flexibility and expandability. Default configuration programming Facilitates out-of-box installation and rapid commissioning. 2, 4, 8, or 16 detection zones Up to 32 non-addressable devices per alarm zone circuit Configurable non-latching alarm zones, alarm dependency (zone coincidence detection), and output delay timer 3 access levels Single-person test mode Day/night mode Manual activation of audio/visual alarm devices Supervised auxiliary dc 24 v output 2 independently programmable non-addressable a/v alarm output circuits 2 programmable fire alarm relay outputs Fault relay output 3 voltage-free inputs for remote reset, evacuation start/stop, and day/night mode Supports up to 7 repeater panels