Pre-configured package for 20 residential units for the TCS:BUS consisting of: 1x outdoor station PES 20 buttons AP EN LED WS, article number: PES20-EN/04, pre-programmed, 20x door telephone 4 buttons WS, article number: ISH3030-0140, 1x vers. + control g. BVS20 1 line 4TE, article number: BVS20-SG, the package is preconfigured at the factory and conditionally expandable, the functions of the indoor and outdoor stations can be changed conditionally with TCS service products, the components support stand-alone operation
