Patent ID: 6992257

Claim:
A switching module for electronic signal transmission comprising: a first side with a plurality of connectors including a first group of three connectors and a second group of three connectors; a second side with a plurality of connectors, including a first jack and a second jack, each of the jacks having a spring contact tip conductor, a second tip conductor, a spring contact ring conductor, a second ring conductor and a shield conductor with a normal closed connection between the spring contact and second tip conductors and a normal closed connection between the spring contact and second ring conductors, each of the jacks configured such that insertion of a plug opens the normal closed connections and electronically connects a tip of the plug to the spring contact tip conductor, a ring of the plug to the spring contact ring conductor, and a shield of the plug to the shield conductor; a first plurality of circuits connecting the shield conductor of each of the jacks with a connector within each of the first and second groups of first side connectors; a plurality of two position switches having an open position and a closed position; and a second plurality of circuits, each including one of the two position switches, one of the circuits linking the spring contact tip conductor of the first jack with the second tip conductor of the second jack, another of the circuits linking the spring contact ring conductor of the first jack with the second ring conductor of the second jack, another of the circuits linking the second tip conductor of the first jack with the second tip conductor of the second jack, and another of the circuits linking the second ring conductor of the first jack with the second ring conductor of the second jack.