A communication system for a rail vehicle includes a transceiver assembly, a selection module, and a monitoring module. In the layer of dielectric material via lines are present and arranged in such a way that the metal layers and the via lines form isolated areas filled with the dielectric material. Each audit object includes detailed information about the transaction occurrence, including information identifying the application and the transaction that occurred. The first end is articulated to the seat and the second end is articulated to the frame. The control signal and the processed control signal include connection sequence data indicating the cascade connection sequence.