US Patent 7111080 Distributing an electronic signal in a stackable device

Techniques are provided for distributing signals in a stackable unit, including a first input connector of two or more input connectors; a second input connector of two or more input connectors, wherein the first input connector is spaced apart from the second input connector, and the first input connector has a particular spatial relationship to the second input connector; a first output connector of two or more output connectors; a second output connector of two or more output connectors, wherein the first output connector is spaced apart from the second output connector, and the first output connector has the same particular spatial relationship to the second output connector; means for communicatively coupling the first input connector and the second output connector; and means for terminating the first output connector.