Dortronics’ 4800 Series Smart Interlock Controllers can be user-configured in the field to accommodate up to five doors with ample flexibility for various input/output configurations. The series features 12 field-assignable inputs and 17 configurable relay outputs for maximum flexibility, and they include a unique watchdog circuit monitoring operation, LED indicators for connection status, and voltage spike and surge protection on all outputs.

Find out more at or at ISC West booth #1038.