H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/42 (2006.01) H04L 12/56 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2347217
In an embodiment of a matrix switch circuit, a group provided with twelve 64-to-1 selectors is arranged by 64 pieces, that is, (12 x 64) pieces of 64-to-1 selectors are provided. Address information is input to the selector. STS-12 (one frame) in which twelve 8-bit STS-1 (unit data) are serially arrayed is input from 64 pieces of input terminals of the selector. The matrix switch circuit is further provided with a selecting circuit that selects specific unit data in the frame and 64 pieces of 12-to-1 selectors that forms unit data output from the selecting circuit in one frame and outputs it.
Corporation Nec
Smart & Biggar
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