TP-Link TL-SG1008PE Installation Guide - Page 20

Gigabit Unmanaged Switch Signal lightning arrester is used to protect RJ45 ports of the device from lightning. When cabling outdoors, please install a signal lightning arrester before connecting the cable to the device. When purchasing or using a signal lightning arrester, please observe the following rules: ■■ The port rate of the signal lightning arrester should match the rate of the desired port on the device. If it is not matched, this signal lighting arrester will not work. Purchase a standard lightning arrester. ■■ Install signal lightning arrester near the protected device and connect it to the ground via a shorter ground cable. Grounding Terminal Signal Lightning Arrester Equipotential Bonding Cable Device Ethernet Cable FFFFFFFFFFF Equipotential Bonding Note: Signal lightning arrester is not provided with our product. If needed, please self purchase it. TL-SL3428 L2 Lite Managed Switch 15 Lightning Protection