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A few questions before going full moCA (alien.top)

submitted 11 months ago by SFTP65535@alien.top to c/homenetworking@selfhosted.forum

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I've been using powerline adapters to extend the internet connection to the second floor of my parents' house. However, yesterday I heard about MoCA and became curious since they appear to be way faster and more stable.

I wanted to know if there are any additional requirements beyond purchasing the adapters themselves. I've come across information about splitters and other accessories, but it seems that those are only necessary when other coaxial ports are in use by different devices (?).

To provide context, the router is located on the first floor, and there's a coaxial connection on the wall. Meanwhile, there's me on the second floor with another coaxial connection in my room. Currently, no one is using these coaxial ports, not even our TV, as we rely on a digital decoder (Ethernet) provided by our ISP.

I'm tempted to buy ScreenBeam's adapters through a proxy since they seem like a good deal, but I am completely unaware of any additional equipment I may need to purchase for the whole setup.

Also, can I connect a layer 2 switch to the MoCA adapter? I have several devices in my room, but I can't afford to buy one MoCA adapter for each of them.

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[–] TomRILReddit@alien.top 1 points 11 months ago (1 children)

If the coax isn't being used for anything, then that can make things simpler. But, just because you have coax wall outlets, doesn't mean they are interconnected together. You will need to locate where the coax cables meet, so you can interconnect them together.

If you are only planning two locations to be interconnected with moca (one at router and one at your room), then interconnecting the two cables with a F81 barrel adapter will create the link. Attach the moca devices to coax wall ports, connect Ethernet to router LAN and Ethernet to your switch, and you are ready to go. Enjoy the speed!

[–] SFTP65535@alien.top 1 points 11 months ago (1 children)

What do you mean by "locating where the coax cables meet"? I'm not sure I follow.

Also, what do I need that F81 barrel adapter for? I don't really understand where I'm supposed to put it, let alone why it's necessary. If you don't mind explaining it to me.

[–] TomRILReddit@alien.top 1 points 11 months ago

Coax outlets are not wired room to room, but room to a central point. Think of your electric service, which has a central breaker panel where all the wall outlet wires join (meet).

An F81 adapter just allows 2 coax cables from 2 rooms to be connected directly together.