... 2.0M/SStandard Functions1.Light curtain protection:The full height of door is covered by multiple infrared-light beams,the passenger ... after the elevator cars have been dormant with door closed for a predetermined amount of time, the system disperse each car to ... Elevator parts:PC Board,Cabinet,Guide rail,COP.LOP,Car door,Floor door, Door operator,Speed governor,Safety gear,Oil buffer,Wheel,Guide wheel ...