Connection of additional telephone sockets for internet throughout the house

but taking a JYSTY cable instead of a CAT cable is still not logical.

I already wrote in one of the three cabling threads this week that the combination of Cat.7 cables – mind you, with Western connectors it wouldn’t really be Cat.7 – with TAE among village electricians is not unpopular – so why not the other way around?

Unfortunately, cables from the last millennium were used.

Yes, copper. But there are worse things. In practice, I have already seen more terabits clearly flowing over doorbell wire than any so-called patchy bachelor engineer will ever believe – and conversely, I have also seen Cat.derniercri cables with unshielded joints that could only transport 80s Btx. You press your cable with the screwdriver into the LSA+ clamp, and you have your "cold solder joint 21st Century Edition."

As a layman – even better if well-read with a lot of half-knowledge – you can mess up so much with wrong configuration that cables from an earlier decade don’t weigh so dramatically.