What's new

MoCA issues after tenant/suite split

  • SNBForums Code of Conduct

    SNBForums is a community for everyone, no matter what their level of experience.

    Please be tolerant and patient of others, especially newcomers. We are all here to share and learn!

    The rules are simple: Be patient, be nice, be helpful or be gone!

BikeHelmet

Regular Contributor
Howdy all,

I have been using MoCA in my home for a few years. (TL-MC84 adapters.) A year or so ago I got an 8 way splitter and installed it in the demarc, hooking up 8 rooms together. I then stuck adapters in the rooms that I needed. I have both VDSL2 and Cable (failover with a Merlin router) - last month a new tenant moved into the suite downstairs, and now I get periodic disconnects. I caught one, and the MoCA adapter in my living room was "Disconnected" for about 20 seconds, then linked back up. It had a bunch of RX Bad on it.

Does that mean that the main adapter near the TC4400 modem might be having issues? Maybe having a 2 way splitter to the modem and MoCA adapter after that 8 way splitter is a bad idea? I checked the demarc, and when my ISP rewired the second modem in, they just disconnected one for downstairs and hooked a new line from the pole. I now have one less spot populated on the 8 way splitter..

Ethernet TX:

Tx Good: 4279428
Tx Bad: 0
Tx Dropped: 0
Ethernet RX:

Rx Good: 16142627
Rx Bad: 277
Rx Dropped: 0
GPIO:0x0000027d

Insights/guesses appreciated. If I need to check my filters or replace cable runs or whatever, let me know where I should start. :)

Cheers,
 
Maybe having a 2 way splitter to the modem and MoCA adapter after that 8 way splitter is a bad idea?
You’d want to check your modem diagnostics to assess whether the signal strength is within the recommended range. That said, the typical approach is to use an initial 2-way splitter to get the modem connected with as little path loss as possible, then a secondary splitter to service the remaining outlets. (And if operating a MoCA network, a 70+ dB “PoE” MoCA filter would be installed on the input port of the top-level 2-way splitter, and the secondary splitter would ideally be right-sized and MoCA-optimized.)

And if a splitter can’t be down-sized and has unused ports, a 75-ohm terminator should be used to cap any open ports.

Another possibility to consider is signal interference. You might look into replacing your “PoE” MoCA filter with a 70+ dB model, making sure the downstairs tenant’s connection is outside the scope of your coax.
 
Okay, I'm not really sure how to read the specs on these, but I think they don't meet the recommendations?

Can you point me in the right direction? I know that some filters are already on both incoming lines - whatever Shaw originally installed. I will get pictures later today.

So stick these on every disconnected port on the splitter, and any wall outlets without anything plugged into them?

I'll see if I can get line stats too.
 
they just disconnected one for downstairs and hooked a new line from the pole.

So they did a new pull over to the demarc - that's interesting...

WIth CoxHSI here in San Diego - they would just have the one run over to the demarc, and split it there - the CPE (TV and/or Broadband) are provisioned at the MAC/SN level with two home runs - one to the primary, and another to the secondary...

I would look at signal levels for your CM, along with the MACA units...

Remember that a 2:1 split is a 3dB loss of signal...
 

Latest threads

Support SNBForums w/ Amazon

If you'd like to support SNBForums, just use this link and buy anything on Amazon. Thanks!

Sign Up For SNBForums Daily Digest

Get an update of what's new every day delivered to your mailbox. Sign up here!
Top