Are there any hams on this sub who are involved with the lightning project "Blitzortu

[Joel]

Use a standard  UTP cable from the controller to your router or switch.

I agree with you but the documentation says otherwise :

The router is connected at the RJ45 network port with a shielded twisted pair network cable (FTP, STP, S/STP, or S/FTP)

https://docs.lightningmaps.org/hardware/...connection