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The original was posted on /r/homenetworking by /u/Long_Trifle25 on 2023-12-26 20:08:44+00:00.
Ok. Be gentle. I have zero home networking experience. I’ve been reading up but could use some guidance. We have a new space in the house that will need internet for TV, etc. It’s too far from the current modem/router combo for a decent wifi signal. Our ISP is a cable company. Coax cable comes into the house through a junction box and runs from there about 50’ to modem. When the construction was being done, I asked contractor to run ethernet cable to the new space in anticipation of this issue. Now that the project is wrapping up, I’m trying to figure out how to make connections. In the new space, there is both coax and Cat5 cable behind a wall plate with no connectors. Just cut wire. On the other end, near the junction box is the same thing. There is no power outlet near the junction box, so I don’t think a MOCA adapter will work. I could connect the new Coax with a splitter to the cable coming into the house, but that signal would not be regulated by a modem. I don’t want to pay for a second internet service with a modem in the new space. Here is my best guess solution:
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Run an ethernet cable from my modem/router to the new Cat5 cable hanging out by the junction box, and somehow connect those together?
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If so, then do I add a router on the other end in the garage conversion for the TV to plug into and have a strong Wifi signal?
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Or should I be doing something else entirely?
Much appreciation for your help.