Dortronics 48500 Series Door Interlock Controller

The Dortronics 48500 Series Door Interlock Controller accommodates up to five doors, including doors that have automatic openers. The unit is user-configured, features adjustable timers for propped door time, panic release unlock time and request-to-exit unlock time. It include 12 inputs for door status, request for access, interlock override and emergency unlock. The unit’s 22 outputs control door locks (fail-safe or fail-secure) and traffic lights and mirror door status with alarm outputs. Additional features include a watchdog circuit-to-monitor operation, LED input or output status indication and voltage spike or surge protection. The 4800 Series is available as a controller board only or with a 4-amp power supply.