Visitor
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3 Messages
MoCA setup w/ Xfinity XB8-T gateway
It has been a nightmare attempting to connect with a human on this question, as it seems to be too specific for any of the automated A.I. to handle via phone and chat assistant-
I have an XB8-T modem, and am attempting to configure a MoCA (Multimedia over Coax Alliance) setup to give other rooms in the house Ethernet connectivity. I've already ordered two MoCA adapters. My understanding is the XB8-T gateway has built-in MoCA feature.
I've logged into the gateway and have enabled this.
- How do I verify whether or not there a Point of Entry (POE) filter installed on the main cable line? I've been in the house for just a couple months. The previous owners were Xfinity/Comcast subscribers. Is Xfinity able to look up and see if a PoE filter is present on the home? If not, how do I go about having a tech come out to install one? From Google research, it sounds like Xfinity installs PoE filter when they set up services. I just want to ensure there isn't any outside interference from neighbors once I hook up the MoCA adapters in their respective rooms.
It has been EXTREMELY difficult to confirm this with a human representative. I am just looking to verify if there is PoE filter present on my property's main cable line, and if not, how do I go about getting it installed?
The 1-800-XFINITY service line goes silent and unresponsive once I tell AI I am looking for "technical support".
Thank you!


EG
Expert
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114.2K Messages
2 hours ago
It is supposed to be S.O.P. (Standard Operating Procedure), but there is no guarantee that a tech actually installed a MoCA PoE filter. And a Customer Service Rep won't be able to tell you either. Take a look around the outside perimeter of your home (typically on the side or back wall). There may or may not be a junction box mounted there, or it may be mounted out in the open. Look for a grounding block with coaxial cables and a green wire connected to it. The PoE filter may be there. It looks something like this;
https://www.reddit.com/r/HomeNetworking/comments/1cpr5a2/where_do_i_install_the_poe_filter_for_moca/
It's the middle cylinder with the red stripe. Also be certain that any and all spliiters that are present are MoCA compliant (5-1675 MHz). MoCA splitter
(edited)
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EG
Expert
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114.2K Messages
2 hours ago
You're welcome ! Nope, there's no filter there, but they may have put one on the input leg of the first / main splitter if you could locate that and see.
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EG
Expert
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114.2K Messages
1 hour ago
There's no filter there either. Just a double female barrel connector. And that splitter is not being used for anything. There's nothing connected to its input port. Just a coax line on one of its output ports that goes who knows where...
You could DIY and put a POE filter on the orange cable side of that outside grounding block like this one: https://www.amazon.com/SNLP-1GCW-Filter-Eliminate-Multi-Room-Interference/dp/B07SLD9QPH
Or you may be able to get one for free at your local Comcast / Xfinity store. Or book a tech to come out and install one for you.
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