Does legacy equipment exist that may require a DC-to-DC solution? For some of the legacy equipment that is not PoE compatible, devices are available to convert to PoE. Line splitters pick off the DC voltage that has been injected into the CAT5 cabling by the injector and makes it available to the equipment through the regular DC power jack. SL Power’s line splitter provides a lower voltage by bringing in 48 volts to the application and converts it to 5, 12, 24, or whatever the application requires.