Silent Knight 5815XL SLC Loop Expander SF 25/02 The SK-4/E NAC protocol includes

The SK-4/E NAC protocol includes the ability to silence audible devices while strobes continue to flash

The Edwards G1AVRN Compact Wall Horn Strobe combines both auditory and visual alerts for emergencies

Fiber optics communication links provide a high level of immunity from electrical noise

maintains adequate air flow into the sensor smoke chamber through air holes in the air sampling tube

Silent Knight 5815XL SLC Loop Expander SF 25/02 The SK-4/E NAC protocol includesThe 5815XL is a signaling line circuit (SLC) expander for use with the 5820XL, 5820XL EVS, 6820 or 6820EVS addressable fire alarm control panel (FACP). Use the 5815XL to add more Hochiki SD SLC devices of the same protocol to the control panel. All functionality of the built in SLC is provided with the 5815XL. Three 5815XL's can be added to an 5820XL or 5820XL EVS IntelliKnight system for a total of 396 SK detectors and 396 SK modules or 508 SD