Silent Knight’s IntelliKnight 5820XL fire alarm control panel has a USB port for compatibility with laptop computers, a built-in digital communicator and an integrated dead-front cabinet. It supports 127 addressable points right out of the box and can be expanded to up to 508 points. The 5820XL has a 6A power supply and offers programming capability from the on-board user interface or via the SKSS PC-based programming software. Its advanced digital communication protocol uses standard wiring—no twisted pair or shielded cable is required.