System for bilateral communication of a command station with rem

System for carrying out connection management control of ring ne

System for cascading data switches in a communication node

System for communication between a central controller and items

System for communication with a remote meter interface

System for controlling and regulating a construction installatio

System for controlling indicators for switches

System for controlling network activation sequence

System for controlling network activation sequence

System for controlling power distribution to customer loads

System for controlling power distribution to customer loads

System for controlling power distribution to customer loads

System for controlling power distribution to customer loads

System for controlling terminal equipment

System for cooperatively reassigning duties in a multiple contro

System for data transmission

System for defining data transmission protocols in a multiplexin

System for detecting mechanical movement

System for detecting position or speed

System for detecting the presence in a rack of a portable unit s