Outdoor Poe switch lightning protection is mainly divided into two parts:
1, power lightning protection
When the AC power supply line is introduced from the outside, it is directly connected to the switch power supply. Connect the power supply arrester to prevent the switch from being struck by lightning.
2, network port lightning protection
The switch port, if the outdoor wiring, please enter the switch interface in the signal line before the first series. Lightning arrester to avoid the damage to the switch.
In addition, the switch is a good grounding switch is an important protection against lightning.