| 摘要 |
<p>A control circuit with a first AND circuit (6) is allocated to each switching point. Address wires (aZ, AS) are common to all switching points of a switching group. A first selection wire (U) is allocated to a row of a switching multiple and a second selection wire (V) is allocated to a switching multiple column. The wires are connected to the AND circuit (6) inputs. Selection wires are provided with decoders which control, by means of an input word, a row in a switching group, and by a further input code word a column. Thus the switching multiple containing the required switching point is selectively controlled.</p> |
