TP-Link SafeStream TL-ER6020 Installation Manual page 17

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
Note: Signal lightning arrester is not provided with our product. If needed, please self
purchase it.
Equipotential Bonding Cable
Device
Figure 3-4 Equipotential Bonding
Gigabit Dual-WAN VPN Router
Ethernet Cable
Lightning Protection 13