US Patent 7980899 Modular connector with reduced termination variability

A telecommunications connector assembly including a cable having a first pair of twisted wires and a second pair of twisted wires; a first connector having a first substrate having a first termination area, the first pair of twisted wires provided for electrical termination on a first side of the first substrate, the second pair of twisted wires provided for electrical termination on a second side of the first substrate, the second side opposite the first side; a second connector having a second substrate having a second termination area, the second pair of twisted wires provided for electrical termination on the first side of the second substrate, the first pair of twisted provided for electrical termination on the second side of the second substrate, the second side opposite the first side.