Computer cables and Wi-Fi router

The four floors would be basement / ground floor / upper floor / attic.
The staircase is a steep staircase located in the middle of the house, which can be ascended/descended without intermediate doors.
The ceilings are filigree ceilings, that is, concrete ceilings!
What will definitely be installed is a Dahua Intercom IP PoE video door intercom system; cables were laid today. (Cat7 to all indoor stations and the outdoor station, and all ends in the basement where the PoE switch is to be placed, which also must be connected to the router via Cat7 according to the installation manual. (Anyone have an implementation idea?)

The access points sound very interesting; I know them from my work, but we would have a problem there because so far we have no Cat7 cables laid in any ceiling for connection, and in most rooms, we had ceiling spotlights cast into the concrete ceiling. All our Cat7 cables are at floor level.

We also wanted Cat7 as duplex --- the electrician does not install duplex Cat7!
He charges €138 per simple Cat7 cable; that is also why we only have 6 single sockets throughout the house!
Unfortunately, we are contractually bound to the electrician since it is a prefabricated house. (We already had huge trouble with the electrician regarding IT sockets).

That houses were still being built without structured network cables in 2017 is astonishing to me. Even more so that there are so many electricians who can't do it or charge such prices for it. One meter of cable costs less than one euro. Connecting a socket takes 10 minutes if you are practiced.

At 138 euros, I would expect him to present a proper measurement protocol, which he certainly does not do.

The wiring is quite simple and flexible. Such a switch (as a single device or as one of the four ports in the usual routers) is simply a distributor, like a triple power outlet (which however works in both directions). You can connect several of them together. Your network cables from the house end in the basement either on individual sockets (because there are only a few) or on a patch panel. You just consider the cables as extension cords. So they must be connected somewhere.

An access point does not have to hang on the ceiling. It can also stand somewhere.
To save yourself an extra access point, you can also place your router in the hallway and connect it to the telephone socket there. You connect a LAN port to the LAN socket, and in the basement this is then connected to the switch. All other LAN sockets are also connected to the switch. Then you have internet on all sockets.
If the router in the hallway is not sufficient, you can still set up an additional access point at one of the other connections.

Sad but true... many houses are still being built completely without network technology...

Of course they will... why should a house, inhabited by two people, that has a tablet and a PC and two eiföhns, in which the light is operated via light switch, have something like that? Karsten

Sad but true... many houses are still being built completely without networking technology...

What do you understand by networking technology?


Regards, Yvonne

Unfortunately, we are contractually bound to the electrician since it is a prefab house.

Prefab house does not mean you are not allowed to continue building on it after handover of the keys. The motto is to install empty conduits and then do whatever you want with them.

but according to the installation instructions, this must also be connected to the router via Cat.7.

With Western connectors, it’s never really Cat.7 anyway, but it doesn’t matter.