cat5e ethernet multiple switch

I just moved into a house and it has cat 5e ethernet sockets in a lot of rooms and an ONQ panel in the utility room (see pictures) I have tested them and all the sockets are dead and the previous owner never used it, it would be great to be able to use them but I have no idea if it is even...

Hi, New here, but great info I've found so far. I am attempting to move a router's location in my house which requires me to add to the chain. I'm not at all well versed in the lingo, so I will try to explain as best as possible. My original set-up (which worked well) went as follows: Cable...