The TP-DCDC-4824-HP DC to DC converters offered by Tycon Power Systems are a low cost and high reliability solution for those requiring 24VDC Power Over Ethernet voltage from a 48V battery system.They have an integrated POE injector to apply the regulated 24VDC to the CAT5 Ethernet cable. The input voltage must be between 36VDC and 72VDC.They accept data-in to a shielded RJ45 Jack and provide data-out and POE power on the shielded RJ45 output jack.They work by supplying power on the unused Ethernet pins 4,5(V+) and 7,8(V-).They have various protections for surge, short circuit and overload. The units have power output of 30W.