Gotta use ethernet protector

Hello, I’ll install my routerboard RB 433 and 433 AH to mountain. I gotta protect also ethernet cables, which mikrotik’s powersupply available to protect ethernet cables?

You need to find some “ethernet surge protectors” that has 802.3af support…
And use them at both ends!

What do you mean " both ends" You mean, the cable starts from the outdoor housing to injector?
Can you advice me seom ethernet surge protectors that has 802.3af support?