Switching network

A screw switching network of a part of digital cross-connects, and input end and output end of the request with the data frame, and an input layer, 9 and 10) and an stage 11, wherein comprises multiple exchange matrices. Each layer input AC matrix with each a layer of AC matrix ring, usually of reference symbols 12 instructions, and between each layer of AC matrix with each output switching table matrix ring, usually of reference symbols 13 instructions. To the invention, wherein each time slot of AC matrix independently routing data-in frame, wherein reduced of the possibility of supporting.