FSPOE100E is a low cost 100/1000Mbps Network POE Lightning/Surge 10KA protector to help protect equipment from surges due to lightning and grid power fluctuations.
It protects all 8 pins with 7.5V clamp voltage on the data wires and 70V clamp voltage on the POE power wires.
It has an all metal case for EMI suppression.
16AWG ground wire.