How vital is a moca filter? (Spectrum cable user)

Discussion in 'TiVo Help Center' started by siratfus, May 29, 2020.

  1. siratfus

    siratfus Active Member

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    Oct 3, 2008

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    Conventional wisdom says to put a moca filter at the point of entry. Which was my set-up for close to two years. In the last two weeks, I kept losing internet. Nothing changed in my home. But Spectrum also said no outages, nothing unusual in my neighborhood. They sent a tech out and immediately he was uncomfortable seeing my moca adapters, he was also uncomfortable seeing a moca filter. I just think when you're not sure what's going on, those are easy things to target and blame because those are things they did not install. He didn't really have any definitive answers for me what's going on. He did have his gadgets that communicated back and forth with Spectrum. He would test out the line by connecting to his gadget, and not the modem. I wonder if this testing process was actually the cure.

    In any case, after his visit. My internet is rock solid, I have not lost connection for close to 24 hrs now. He did several things, which he admitted were minor, and that we still need to monitor things. But I am perplexed why after close to two years, these things would be issues.

    1. He grounded a wire at the p.o.e. He said it was never grounded. But why after close to two years, this would be an issue now?

    2. He put a 2-way splitter before a 3-way splitter. The modem gets a connection on this 2-way splitter, and the other line goes to the 3 way splitter. But again, from Fios to Spectrum, and back and forth, all the installers have always used a 4-way splitter. Why is this an issue now?

    3. He took off the moca filter. And again, why is this an issue now?

    4. He took away the moca adapter at the modem, so the cable goes directly to the modem

    5. He disabled WMM APSD on both wifi frequencies.

    When he left, I put back the moca adapter at the modem. My logic is if I can't use my moca adapters, then I'm leaving Spectrum anyway. So I don't need to know or care to know if the internet works perfectly connected directly to the modem. So this has to work my way, or not at all. So anyway, with the moca adapters in play, I'm still getting rock solid internet. Prior to the tech visit. It would drop completely after every 30 minutes or so. I had to unplug the modem, and disconnect coaxial at the p.o.e. Then reconnect everything. I haven't had to tinker for close to 24 hrs now. So #4 is not the culprit. But I also can't see why 1,2, or 3 are the culprits either. #5 is interesting, could that function cripple a network? I'm also thinking when he was testing the coaxial line by plugging it into his device, could that process actually somehow magically put everything back in order? Metaphorically, was that the actual CPR?

    I wanna put back the moca filter, but I'm worried that it is actually the culprit and I might mess things up and require the tech to come out and do CPR on the lines again. LOL! What do you guys think? And going back to my headline, how vital is a moca filter? Maybe I can live with people stealing internet connection or some channels, but can they get into passwords and stuff just because I don't have a filter?
     
    Last edited: May 29, 2020
  2. kpeters59

    kpeters59 Well-Known Member

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    Houston, Texas
    You can log in to your Routers GUI and see its signal levels. Typically they should be between -10dB and +10dB. Sending half your signal (via the 2 port splitter) would be a pretty big bump, but it only needs to be in that range for it to function properly.

    Reconnecting your MoCA Adapter will likely have a Signal Level effect on your Router, but again, just needs to be 'in the green'.

    A ground to your outside wiring is a dang good idea and is required by most every Cable Company. The one I'm familiar with would 'ding' the Tech for leaving without having one installed whether or not it was 1 month or 1 decade old account.

    The 'gadget' he was using was most likely a DOCSIS Meter. You can see a lot of the same info in your Modem's Diagnostic Screen. Some Cable boxes have a similar screen, too.

    The MoCA Filter can have a significant performance increase for your MoCA Signal Levels.

    -KP
     
  3. siratfus

    siratfus Active Member

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    Oct 3, 2008
    So 24 hrs is good enough to show network is fine. Now I'm putting the moca filter back on. Gonna see if this guy is the issue. On the connector barrel with the grounding block, I put the filter on the side so that the coaxial from the street will connect to it first. That is correct, right? Another way of putting it, I connected the moca filter to the coaxial from the street, then I connected them to the connector barrel. Lets see if the intermittent issue occurs today.
     
  4. siratfus

    siratfus Active Member

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    With no moca filter, I saw a Motorola media streamer in the THIS PC section of my windows 10. With the Moca filter installed, I no longer see it. Was that something that was my neighbors?
     
  5. kpeters59

    kpeters59 Well-Known Member

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    Could be...do you own any Motorola Media Streamers?

    I've never seen if the direction that a MoCA Filter is installed makes any difference.

    What does make a difference is how close it is to your internal house wiring. The reflective effect it has is stronger if it's closer to the first splitter.

    -KP
     
  6. siratfus

    siratfus Active Member

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    Oct 3, 2008
    Definitely wasn't mine. Does this mean they don't have a filter in their home?
     
  7. kpeters59

    kpeters59 Well-Known Member

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    Jun 19, 2007
    Houston, Texas
    Apparently.

    Especially with the Cable Installers removing them!

    Cable Installers here are required to install them. Mostly like the ground line. Comcast is all-in on MoCA, though...

    -KP
     

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