A polymer comprises at least two types of monomer units selected from: diethynyl benzene units, triethynyl benzene units, and ester units. In order to reduce disturbance torques caused by the first wheel brake pressure for a wheel that is not tending to spin of the axle, a second wheel brake pressure is built up, which is adjustable independently of the first wheel brake pressure. In order to simultaneously supply at least two chambers with at least one operating means, a flow of the operating means is branched at least once so as to form at least two partial flows. The clocking module generates the first sampling clock signals from a reference clock when the multi-protocol interface is in a first operational mode and generates the second sampling clock signals based on the reference clock when the interface is in the second operational mode.