Ethernet to Ethernet Grounded ESD Protection ESD Protection for Outdoor Po E Devices Damaging electrostatic discharge attacks & surges are diverted to the ETH-SP & safely discharged into the ground so network devices are protected Additional ESD Protection All Ubiquiti air MAX devices are equipped with built-in ESD protection so the ETH-SP adds another layer of protection to your outdoor high-speed network Plug & Play Installation Connect the ground & Ethernet cables in between your network devices