Patent ID: 6116912
Filing Date: 2000-09-12
Classification: H01R,H04Q,H05K,Y10T

Abstract:
A matrix switch board used for equipment connecting and disconnecting a switching-system-side line and a subscriber-side line, said matrix switch board comprising:a multilayer board, made of an insulating material, and including a plurality of wiring layers;a first group of wiring patterns which is horizontally arranged in parallel to each other in first ones of the plurality of wiring layers in said multilayer board, and used for at least one of said switching-system-side line and said subscriber-side line;a second group of wiring patterns which is arranged in parallel to each other in second, different ones of the plurality of wiring layers in said multilayer board, and used for at least one of said switching-system-side line and said subscriber-side line; anda matrix switch part including:first wiring patterns formed as one of said first group of wiring patterns on a front side of said multilayer board;second wiring patterns formed as one of said first group of wiring patterns on a back side of said multilayer board so as to cross said first wiring patterns;through holes formed to extend perpendicularly from the front to the back of the multilayer board through said first and second wiring patterns and located at every other cross point in respective directions of said first and second wiring patterns;a connection pin inserted into at least one of said through holes for electrically connecting at least one of said first wiring patterns on the front side and at least one of said second wiring patterns on the back side; andsaid second group of wiring patterns is provided between said through holes formed in said matrix switch part.