Visitor
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2 Messages
MoCA
I have some cable inlets in my bedrooms, and I'd like to use one to connect my PC to Ethernet instead of wireless, but I don't want cables running from room to room. So, I bought a MoCA adapter and filter. https://a.co/d/1rGmnia and https://a.co/d/0JI6Hfb . My main cable inlet is in the living room. I don't have cable TV, so I have the filter installed between the main inlet and Xfinity gateway (XB7). I have enabled MoCA in the gateway's settings. I then take my adapter into the bedroom and plug it into an electrical outlet. All lights are working fine. I then connect it to the cable inlet and connect that to my PC with an Ethernet cable, but I get nothing. No signal. I have verified the bedroom inlet works by connecting the gateway directly to it, and the signal is there; it works fine. I've tried it in reverse with the gateway in the bedroom and the adapter in the living room, and same, no signal. I've searched everywhere for help but haven't found anything matching my problem.
EG
Expert
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113.2K Messages
2 months ago
The PoE MoCA filter has to be installed on the input port of the first splitter off of the drop line coming directly from the street, not between the gateway and the wall outlet.
Also, check to see if there are any non-MoCA compliant splitters (5-1002 MHz) in the line between the living room and the bedroom. They need to be MoCA compliant (5-1675 MHz), such as this one
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XfinityAirelle
Official Employee
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2.9K Messages
2 months ago
Thanks for explaining everything — it sounds like you’ve done all the right things, and we know how frustrating it is when the setup looks right but still doesn’t work.
Even though the lights on your MoCA adapter are on, there are a couple of common things that could be causing the signal issue:
Splitters – If you have any cable splitters in the walls or around the house (even ones you don’t see), they might not be letting the MoCA signal through. MoCA needs a special kind of splitter, and older ones can block the connection even if your internet works fine.
MoCA Filter Placement – The filter should go right where the cable enters your home, before it splits off to other rooms. If it’s placed too close to the modem or after a splitter, it might accidentally block the signal instead of protecting it.
Adapter Compatibility – Some MoCA adapters don’t always work well when paired directly with a modem like the XB7. Even though your modem has MoCA built in, certain adapters just won’t connect properly without a second adapter on the other end. You might actually need one adapter near the modem and another one by your PC to make it all work smoothly.
As a quick test, try plugging the MoCA adapter into the same room as the modem using a short coax line to see if the Ethernet works. That can help figure out if the issue is with the cable line or the connection itself.
Let us know what happens — we’re happy to stick with you and help figure it out.
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EG
Expert
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113.2K Messages
2 months ago
@alstadt
Did what I posted apply ?
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alstadt
Visitor
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2 Messages
2 months ago
I think I understand. I live in a condominium so I'm guessing there is a splitter outside somewhere that isn't compliant with MOcA. Do you think Xfinity will replace them if I contact them locally?
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