The ZR48-158/POE-8 is a device that combines a 48V power supply with 8-port PoE adapter. The adapter enables the introduction of the PoE supply voltage to the typical twisted-pair cable. The device allows to deliver power and data with one cable for various network devices.
To data transmission in twisted-pair cable are normally use wires 1, 2, 3 and 6. The PoE panel injects supply voltage to the 4, 5(+); 7, 8(-) pins/wires.