@btx There was someone else doing the IT/cabling there, and he did a shitty job. They overpaid, old hardware, messy, and not happy in general. They didn't want to bother me in the beginning because...

@Philbert I will talk tomorrow with my friend about the hardware needed and to see what he replies Will keep you updated tomorrow! Thanks!

@Philbert So it will be the "TL-SG3428" (computeruniverse(.)net/en/p/90829638) because the other ones are the older generation and the other ones are either 8port or 48 ports. The TP-Link TL-SX3016F...

@Philbert Thank you again! Sorry for the short answer, but it was late, and didn't want to reply after too much time. I can use the " T1600G-28TS V3 JetStream 24-Port Gigabit Smart Switch with 4 SFP...

They have already their POE injectors behind their walls.... (Not my idea..,but they are there)

@Philbert Thanks for the reply (and sorry for the late reply!) I wrote it, but forgot to publish and had to rewrite it. Yes, that's correct. Right now they just share their 500MB with everyone. But...