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Pucelle

@army.mil

[Connectivity] Using built-in cable plugs for home network

For security reasons, I am not using wireless for my home network. I just moved into a new townhouse and it has coax plugs in every room. Is it possible to use those plugs to create a home network that then connects to my comcast HSI connection? I basically would like to use the already laid coax connections for my home network instead of cat 5/6.


graysonf
Premium,MVM
join:1999-07-16
Fort Lauderdale, FL
kudos:2
Read up on Ethernet over Coax MoCA Network Adapters.


Pucelle

@army.mil
I saw the info regarding MoCA for Fios (my old network) but I wasn't sure if there were any issues with Comcast since they don't use MoCA equipment (or at least I don't have any since I'm only paying for HSI)


DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3
MoCA would interfer with HSI, so you'd need to isolate the 2 coax segments.

you're only paying for HSI so you want the cable to make a direct run to the CM then have the CM connect to your router, then feed the MoCA off the Ethernet of the router.

you'll need two coax drops at the CM for this, one for comcast and one for the MoCA network.
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DrDrew
That others may surf
Premium
join:2009-01-28
SoCal
kudos:17

2 edits
Click for full size
MoCA should not interfere with HSI in the majority of cases. They were meant to coexist.

The "whole home" master DVR boxes used by Comcast, Cox, and TWC use MOCA boxes to talk to the slave boxes. Many of those same boxes use DOCSIS modem to download menu and guide info

See this:
»www.mocalliance.org/CEDIA/presen···tion.pdf
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DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3
Well I'd be careful some MoCA devices are on the same channel as HSI, though some aren't.
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voiptalk

join:2010-04-10
Gainesville, VA
reply to DarkLogix
Click for full size
said by DarkLogix:

MoCA would interfer with HSI, so you'd need to isolate the 2 coax segments.

you'll need two coax drops at the CM for this, one for comcast and one for the MoCA network.

Sorry, but that's not correct. I had my CM after the MoCA bridge and it worked just fine, no interference. Just like in the pic.


beachintech
There's sand in my tool bag
Premium
join:2008-01-06
kudos:5
reply to DarkLogix
said by DarkLogix:

Well I'd be careful some MoCA devices are on the same channel as HSI, though some aren't.

Retail MOCA adapters, like the ones you get from Netgear, etc., all operate at 1000mhz+, which keeps them well outside HSI ranges. I can say with first hand experience they work fine together, although I wouldn't hang a moca adapter in line with a modem just from a point of failure perspective.

Most configurations I've done isolate the modem drop in the home / business off a 2 way from the drop, and a MOCA filter is placed on the other leg. This was done just to eliminate a possible point of failure, technically you could put the adapter in line. A MoCA adapter would be tied in to a splitter after the 2 way to feed the other outlets.

The only time this would cause problems is if you forget the filter, install it improperly, or someday get Anyroom DVR service.


nerdburg
Premium
join:2009-08-20
Schuylkill Haven, PA
kudos:1
reply to Pucelle
Have you consider powerline adapters?

Mr Matt

join:2008-01-29
Eustis, FL
kudos:1
Reviews:
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Before planning a HomePlug network I would read page 2 of this article from Small Net Builder Regarding Arc Fault Circuit Interrupters:

»www.smallnetbuilder.com/lanwan/l···?start=1

I received an email from Intellion in February of 2008 that indicated which ARC Fault Circuit Interrupters have the least effect on HomePlug Signals:

Hi,

Thanks for the re-write. Here is what our Application Manager wrote to me.

Hi Pam,

Yes, of course we investigated this. The AFCI breakers from Siemens and GE have insertion loss which can impact the Homeplug signals. Siemens AFCI breakers have the greatest impact on Homeplug signals.

We found that both Square-D and Eaton AFCI breakers had no measurable impact of Homeplug signals.

Regards,
Pam Garris
Account Development Coordinator
Intellon Corporation
Phone (352) 237-7416, ext. 1209
Fax: (352) 861-2951

I understand that HomePlug AV2 technology reduces the problem. Check your circuit breaker panel to see who manufactured the circuit breakers.