Description
6820EVS intelligent addressable fire alarm control panels with emergency voice system can connect up to 17 panels with convenient single point communications. Copper wire or fiber-optic cable panel connectivity can be used within the same linked system. The panel has one built-in signaling line circuit (SLC), which can support 159 SK detectors and 159 SK modules, or 127 SD protocol devices. Additional SLC loops can be added for a maximum of 1,110 (SK) or 635 (SD) points per panel. The emergency voice system operations include an onboard supervised microphone. All-call and non-active call buttons can quickly select all active or non-active output groups. The system also allows for emergency messages over fire.