Silent Knight 5815XL


SLC Loop Expander

Availability: Estimated 6 Weeks

  • Factory New
Brand: Silent Knight Part #: 70442 Categories: , , Manufacturer Part #: 5815XLSecondary Part #: 005815XL Tag:


The 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 addressable devices per system.


Weight 1 lbs

System Sensor



Production Status



  • Adds 99 SK Modules and 99 SK Detectors or 127 SD Addressable Devices to a 5820XL or 5820XL EVS Addressable Fire Alarm Control Panel
  • Three 5815XLs per system
  • 5815XL SLCs have same functionality as the 5820XL/EVS, including Style 6 (Class A) configuration


Signaling Line Circuit Expander; 5815XL

Honeywell - Data Sheet