Mutliple MoCAs on a single coax?

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CiscoInside

Gawd
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Mar 26, 2010
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At a apartment complex currently, they are being supplied their internet by some ISP company that is basically using a MoCA system to supply internet and tv to each apartment.

What we would like to do is use the same coax running through the building and have our own MoCA devices and run WAPs to these, which will then connect to the main network of the complex. It needs to be separate from their ISP (if you want to call it that, its not a main ISP like Verizon but a sub company who supply their own boxes and charges).

Any ideas on what we could do? Is this even possible to run a different subnet and different devices on the same coax line?

If so, anyone have recommendations on commercial MoCA devices to use?

Thanks!
 
If i remember right you can have more then one MoCa all you have to do is separate the frequencies. just remember to use encryption between the MoCa devices so no one can piggyback them.
 
aaronearles said:
Agreed, I think if you can determine what channels the ISP is using, you should be able to determine what remaining channels and how much available bandwidth you'll have to work with.[/url]
Click to expand...

depending on what you buy a lot of them auto change to the least congested.
 
Thanks for the info - looks promising. I have read that its only possible to have about 4 runs per coax? Lets say the ISP has about 100 boxes already setup, working on their own frequency - we setup 20 boxes of our own for our WAPs on our own frequency - would the line become to congested?
 
I think they all share the same frequency. Think Hub, not switch.

I think anyways.
 
I think MoCa is only capable of running 16 nodes per channel, so if they're running 100 devices, chances are they're chewing up a good portion of the spectrum.
 
I would try some testing first get a moca router and node and try to connect from the places where you plan to put the WAPs, wont give you full testing but will let you see if it will work with the ISPs network put in.
 
Well we got into the area today where the ISP has all their equipment in racks. It looks like we have large coax lines coming in, hitting a big splitter box then hooks up to a amplifier - from there it runs to the racks, one like runs to a PC which after doing some research looks to be a management PC for the customer's cable modems, etc.

Another line runs to a coax switch which then runs to what looks like a bunch of directtv receivers.

Doing research on that box, its stated that it can run up to 250 cable modems. The question is, if we tap our own equipment into that system right before the amplifier would we be conflicting with that system?
 
Well I wish I can track down the coax is going into my apt because I have 2 rooms going to one cable company and other room is going to time warner cable. Basically I have 2 room apt but with 2 separate cable company's but I want both rooms be connected to same cable company because I want to test out these MoCa setup.
 
Sounds like they have their own headend in the apartment building, not uncommon.
I would NOT mess with someone else's system...maybe contact the provider and explain what you are trying to do, and see if they have a solution?
 
I agree, I don't want to mess the system up for the end customers. The equipment is all owned by the apartment complex, but as far as configuration and all that it is by who installed it. We called them, but they quickly said "oh we have internet on there already"... and we said okay... did not want to get into any more details with them. I just think with over 100 cable modems and 100 cable boxes, those lines are saturated. They all split into that one main line from the amplifier.
 
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