摘要 |
A network for a time-division multiplex-frame telephone exchange with pulse code modulation, the network being capable of connecting 2n+p+q subscriber's lines (n,p,q being integers) to a plurality of coders, comprises a plurality of first multiplexers respectively connected to the subscriber's lines, a plurality of demultiplexers, two pairs of second multiplexers connected to the plurality of demultiplexers by odd and even buses, and cyclic control means for controlling said first and second multiplexers, said demultiplexers, and said coders. |