The DSX-3 is a common point in central offices or network nodes that provides the following functions: • Termination of a variety of equipment referred to as network elements (NE). The NE are permanently cabled to this common point during the initial installation and remain terminated at the DSX-3 for the life of the equipment. • Cross-connection of two NE together to configure a circuit. The cross-connect jumper is a semi-permanent connection that may be changed as the telephone network evolves