MaxLink MAXPIDIN60F is an active DIN rail mounting PoE injector with DC power input from 44 to 57 V and built in power converter. Injector has one POE LAN port output and one SFP port output. The output of this power supply is 1Gbit port with support of the 802.3af/at (55 V) which is dedicated for Wi-Fi, VoIP, or wireless links. The PoE's distribution is on the pins 1, 2, 7, 8 (-), 3, 4, 5, 6 (+). The SFP port is used for data input. Total power is 60 W. The main advantage of this power supply is 6kV (10/700us) overvoltage protection.
This PoE injector is best for using in the places where you already have a main power supply such as the solar panels or a high voltage power supply.