... , Gute developed the CI cable selection system. The GT-CI TX Transmitter generates impulses of up to 110 ... A. Due to the limitation of impulse voltage to 55 V, the voltage is below the dangerous contact ... limit, as specified by the European Union. The GT-CI RX receiver uses a flex clamp to measure ... the selection signals. The processor of the GT-CI RX does an evaluation if the impulse shape, ...