The Silent Knight 6820 1,110 point addressable fire alarm control panels include connected panel options, enhanced communications, wireless detection, and other advanced features. Allows connection 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. Multiple signal line circuits (SLCs) can be used within one system limited only by maximum points available. Features Benefits: 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 Multiple Signal Line Circuits (SLCs) can be used within one system limited only by maximum points available Built-in dual path IP and POTs communication for reliable dual path backup Built-in USB interface for convenient and speedy programming SWIFT capable for wireless detection Convenient field-upgradeable firmware Supports up to 16 remote annunciators Programmable date setting for automatic and convenient Daylight Saving Time changes Includes access to Jumpstart, HFSS programming software and the SKST selection tool NAC Circuits: 6; 6 amps power supply Supports Class B (Style 4) and Class A (Style 6) configuration for SLC, SBUS, and Flexput circuit Certifications: UL Listed: S2766 CSFM: 7165-0559:0550 FDNY: COA# 6249 FM Approved