1. A switching system, comprising: a first switch comprising a plurality of inputs and a plurality of outputs: a first controller configured to selectively control the first switch to selectively make a connection between at least one of the plurality of inputs and at least one of the plurality of outputs; and a first sensing module configured to sense a carrier on at least one of the plurality of outputs, the first controller selectively connecting a selected one of said inputs to a selected one of said outputs as a function of the first sensing module sensing the presence or absence of a carrier at the selected output.