Tycon Power Systems

The TP-DCDC-4848G-HP DC to DC converters offered by Tycon Power Systems are a low cost and high reliability solution for those requiring 48VDC Power Over Ethernet voltage from a +/-48V battery system. 

They have an integrated Gigabit Passive PoE injector to apply the regulated 48VDC 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 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 50W.

Dimensions: 85 x 76 x 36mm (3.4 x 3 x 1.4in)
Weight: 134g (4.7oz)

Features
- Input Voltage +/- 36-72VDC; Output 48VDC Passive PoE
- Integrated Gigabit PoE Inserter
- High Power 50W
- Short Circuit, Over Current and Over Voltage Protection
- High Temperature Operation 60°C

Dimensions: 85 x 76 x 36mm (3.4 x 3 x 1.4in)
Weight: 134g (4.7oz)