Panel with four PoE ports can power up to 4 devices. RJ45 connectors on one side of the device are Ethernet ports without power supply (switch), on the opposite side there are ports to connect the Ethernet cable power supply, i.e. 4, 5 (positive pole) and 7, 8 (negative pole).
10/100 Mbps Ethernet support
Flexible power supply - from 12 V~48 V DC
4 port PoE injector - 4 LAN ports and 4 LAN + PoE ports