12/24VDC In, 18V Passive PoE Inserter
9-36VDC IN, 18V 18W Passive PoE OUT, DC to DC Converter/PoE inserter. 10/100Mb.
The TP-DCDC-1218 DC to DC converters offered by Tycon Power Systems are a low cost and high reliability solution for those requiring 18VDC Power Over Ethernet voltage from a 12 or 24V battery system.
They have an integrated PoE injector to apply the regulated 18VDC to the CAT5 Ethernet cable. The input voltage must be between 9VDC and 36VDC.