SWITCHING DEVICE Russian patent published in 1999 - IPC

FIELD: telecommunications, in particular, equipment for commutation of channels and communication lines for reception and transmission of information signals. SUBSTANCE: device has control unit, gates, commutation control unit, commutation set, OR gates, flip-flop, indication unit. Goal of invention is achieved by introduced additional gate, three OR gates, two memory registers, decoder and additional memory units for each output of decoder, each of which has flip-flop, two gates, AND gate and two memory registers. EFFECT: increased functional capabilities due to possibility to use large number of communication channels in redirection mode with restoration of initial connections. 2 cl, 1 dwg