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MoCA light wont come on

I am currently installing the goCoax MoCA 2.5 adapter device, and have so far only been able to make it through step four (Check Power LED is green/solid, LAN LED is green/blinking). On step 5, the MoCA LED does not come on. I have read on a couple other threads on here that I should check any splitters to make sure they support MoCA, which they do, so I have no clue what to do next to troubleshoot this. I am including photos below of the MoCA device Frontier originally set me up with, the 8-way splitter and 2-way splitter currently in my setup, as well as the Coax splice device I am using to make sure I am not overlooking something being incompatible.

42 answers12 replies

Comments (54)

contact

I’ve been through similar MoCA setup headaches—hang in there! Sometimes it’s just one small overlooked detail. Hoping the revenia community can help you get it sorted soon.

contact

Thanks for sharing the details—sounds like you’ve done a thorough job checking the basics. Hopefully someone here can help pinpoint what’s causing the MoCA LED issue! And may be you can try Ruleta Aleatoria which can help.

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That's frustrating! I had a similar issue setting up my MoCA network. Double-check the coax cables themselves – a loose connection or even a slightly damaged cable can prevent the MoCA signal from passing through. Also, are you absolutely sure the MoCA adapter Frontier provided is still active? Sometimes those are deactivated remotely when you switch services. While you're troubleshooting, if you need a break, you could always play something relaxing. My go-to is usually a few rounds of Drift Hunters. Good luck getting it working!

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Replying to

Jun 06

If the MoCA light’s off, even with MoCA-rated splitters, it could be the coax line has no active MoCA signal on the other end. Try bypassing splitters and connecting directly to test. Think of it like giving your setup the Sprunki Wenda Treatment — simplify to isolate the issue. Let us know how it goes!

Unknown member

Jun 03

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Edited

Unknown member

Jun 03

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Edited

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May 16

Ugh, MoCA can be such a pain! Hope the original poster figures it out. I had a similar issue once, and it turned out to be a bad cable. Fingers crossed it's something simple! And after that you can have fun with sprunki wenda treatment!

service

May 16

Thank you for the detailed troubleshooting guide on resolving the MoCA light issue with the goCoax adapter. The step-by-step advice, particularly on checking splitter compatibility, was insightful. For those exploring additional home networking enhancements, I recommend reviewing practical networking tips at Sprunkiocreal to optimize your setup further.

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Apr 07, 2021

On the Verizon Fios side, Verizon routers (G1100 and G3100) have two MoCA controllers each, one for LAN and one for WAN. So, for a Verizon router, you can have MoCA WAN and MoCA LAN simultaneously active. You can enable/disable WAN and LAN MoCA interfaces in the web GUI. Just for your information.

I think other broadband router should be the same, can support both MoCA WAN and LAN at the same time?

My home forum is Verizon Fios.

ploog

Apr 07, 2021

Replying to

Yeah, those FiOS gateway models (along w/ the older MI424-WR) support both a MoCA WAN connection with the ONT, as well as bridging for a MoCA LAN. The key difference between these gateways and the OP's setup is that these devices all establish the MoCA WAN link with the ONT using MoCA 1.1 Band C (channel C4), limiting throughput to 150 Mbps ... but leaving the entire MoCA Extended Band D frequency range available to the MoCA LAN. The OP's setup achieves higher WAN throughput, up to 400 Mbps, by using a single MoCA 2.x channel, in the D-Low range ... but leaves just the MoCA D-High range available for MoCA LAN use.

The NVG468MQ, on the other hand, is functionally similar to the G1100 ... minus the built-in MoCA WAN bridge. (Both devices support standard MoCA 2.0 for a MoCA LAN.) In the case of the NVG468MQ, when the preferred Ethernet WAN connection isn't possible, Frontier offers a special MoCA adapter, the Arris MEB1100, able to link to the legacy ONT MoCA WAN bridge, using MoCA 1.1 Band C (channel C4), but similarly limited to 150 Mbps throughput (better than 100 Mbps owing to the MEB1100 sporting a GigE network port). If the 150 Mbps is insufficient, and a direct Ethernet WAN connection remains impossible, that's where Frontier is using the FCA251 MoCA 2.5 Band D adapter to effect the MoCA WAN link ... while creating competition for the MoCA Extended Band D frequency range, and impacting maximum throughput.

ploog

Apr 05, 2021

I have some suggestions to make, but I'm curious... Does Frontier not offer ANY documentation for the FCA251 adapters? Do they not provide instructions on how to setup a MoCA LAN when the FCA251 adapter has been used to establish the WAN connection between the ONT and router?

ploog

Apr 06, 2021

Replying to

@kzb716 Have you contacted Frontier directly? The FCA251 adapters introduce a new wrinkle to setting up a MoCA LAN, so they really do need to help with the configuration.

As mentioned in a parallel post, another option is relocating the router to a location where a direct Ethernet WAN connection can be established with the ONT, eliminating the need for the FCA251 adapters and the competition for the MoCA Extended Band D frequency range.

ploog

Apr 06, 2021

Replying to

@kzb716 FWIW, I've posted to DSLReports seeking advice on the issue.

See: https://www.dslreports.com/forum/r33078298-Internet-FCA251-MoCA-WAN-configuration-and-MoCA-LAN-coexistence

cmirza

Jul 26, 2021

Replying to

@ploog I just found this thread after creating my post (https://www.gocoax.com/forum/everything-for-moca/3x-frontier-wf-803ft-for-lan). So, from what I understand, if my router has an ethernet connection to the ONT, I could use 3+ FCA251 adapters, all set to LAN, with one connected to the router & coax and the rest connected to coax? Basically a MoCA 2.5 LAN?

kzb716

Apr 05, 2021

-The current router that connects to Frontier's MoCA adapter is an ARRIS NVG468MQ

-The Frontier device is currently set to WAN

-I am pretty unfamiliar with all of this so this may be the wrong answer, but currently the ARRIS router has the ethernet cable running from the Frontier MoCA device connected to the 'ONT' port. Aside from that, the remaining ports are all open at this time.

-I purchased 2 goCoax WF-803M adaptors. So far, this is all relating to the first one, but I am sure I'll have just as much trouble with the second one, based on my inexperience with this stuff

ploog

Apr 06, 2021

Replying to

@kzb716 "I am planning on having 2 remote goCoax locations in addition to the frontier location"

You'll need 3 goCoax adapters total, but @goCoax really needs to step in here to assist with this, to confirm the FCA251 "WAN" frequency configuration and the custom configuration required for the retail goCoax adapters to coexist with the FCA251 MoCA WAN connection. (It is my understanding that the FCA251 adapters are operating in the D-Low frequency range when set to "WAN" ... but this needs to be confirmed. Contact Frontier to get the details, if you can.)

'gist: The FCA251 adapter is making a MoCA connection with the ONT location to supply the WAN connection over your coax (rather than a direct Ethernet WAN connection), and this MoCA WAN link, with the FCA251 set to "WAN," is operating in the MoCA D-Low frequency range ... enabling up to 400 Mbps WAN throughput. So, to establish a MoCA LAN, you'll need to set up a separate MoCA network, configured to operate in the MoCA D-High frequency range. This is why you'll need 3 MoCA adapters; the FCA251 adapter is dedicated to the MoCA WAN, so you'll need a separate MoCA adapter at the router to bridge for the MoCA LAN.

Similar to this schematic: https://i.imgur.com/Frt0qFN.png

Key points Re: the MoCA LAN setup:

One retail goCoax MoCA adapter at the router location to function as your main bridging adapter for the MoCA LAN;
Then one retail goCoax MoCA adapter at each of your two remote locations;
All MoCA LAN adapters configured with MoCA privacy and to operate in the D-High frequency range;
Due to operating at D-High, only 3 channels are available for bonding, so maximum shared throughput for the MoCA LAN will be 1200 Mbps, rather than the 2000 Mbps possible in a 5 channel configuration using all of the MoCA Extended Band D.
With the MoCA WAN operating at D-Low, the maximum supported WAN throughput will be 400 Mbps shared (so potentially as low as simultaneous 200 down and up).

SO... this is why having an Ethernet WAN is preferred, or even moving the router to a location where the Ethernet WAN connection can be made.

ploog

Apr 06, 2021

Replying to

@kzb716 I'd sent another user down this path, and had assumed things had worked out. Sounds like @goCoax needs to chime-in on that thread, as well.

See here: https://www.reddit.com/r/HomeNetworking/comments/lz6266/moca_difficulty/

ploog

Apr 06, 2021

Replying to

Two followups...

If you see this and have the time/inclination, I'd be curious as to what you find at the ONT for connections and devices. (I'm curious as to whether there is another FCA251 at the ONT location, connected to the ONT's Ethernet WAN port.)

Also, what do you measure for your download/upload speed when hard-wired via Ethernet to the NVG468MQ router? And what download/upload are you paying for (and should be seeing)?

ploog

Apr 05, 2021

Reviewing the OP, some things remain unclear ...

You're a Frontier FiOS (fiber) customer, so must have an ONT ... but what are you using for your router? (model #?)
You've mentioned and included a pic of a MoCA adapter supplied by Frontier, the FCA251; however, this device has a physical toggle switch on the same face as its coax port, with possible settings of "Full," "WAN" and "LAN." In what position is it currently set?
To what is the "WAN" Ethernet port of your router connected?
How many goCoax WF-803M adapters have you purchased?

ploog

Apr 05, 2021

Replying to

Background: The FCA251 is typically employed by Frontier as an alternative WAN connection between the ONT and router (an alternative to the built-in MoCA 1.1 WAN or an Ethernet WAN connection). Aside from the connection not being what is intended when installing a retail goCoax MoCA adapter in a remote room (i.e. linking to the ONT's WAN connection), I expect (and would hope) that the FCA251's "WAN" setting both configures the adapter for a D-Low operating frequency range but also sets MoCA privacy for the connection, preventing other non-FCA251 devices from connecting.

If looking to leverage MoCA to extend your router's LAN connectivity, your router will need to have a built-in MoCA LAN bridge or you'll need to use a standalone MoCA adapter to act as the bridge between the router LAN and your coax ... and then additional MoCA adapters in remote rooms, as needed, configured to connect with the MoCA LAN bridge. (With the FCA251 required for the MoCA WAN connection, the "LAN" MoCA adapters will require manual configuration to allow the "WAN" and "LAN" MoCA networks to coexist on the shared coax.)

ploog

Apr 05, 2021

Sidebar: Wow, that 8-way splitter looks way overkill with just 2 outputs used. At a minimum, you'll want to cap each of the unused/open ports w/ a 75-ohm terminator.