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Thread: Multi SWM design questions

  1. #1
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    Multi SWM design questions

    I'm looking to do a self install of SWM technology, mainly to move towards each of the kids having their own DVR. With MRV, the whole idea of them recording their own stuff and then watching any-to-any is pretty appealing.

    In thinking thru the whole SWM thing, there is a potential for 6-7 DVR's, which means 12-16 slots in use. Obviously, that means 2 x SWM-8 minimum.

    Some of the locations have Cat-5 for networking (MRV enabled, works and rocks), several don't.

    I've read the talk about doing MRV on SWM via MoCA and it's appealing. Right now, I'm not SWM and use the "split the feed off the 4 sat cables before they go to the multiswitch" technique with two multiswitches.

    If I were to invest in SWM-8's and a SWM-E2 or -E4, do they pass the data traffic BETWEEN SWM's? My presumption is one of the IRD/DVR's is attached to a network connection and acts as a bridge/proxy to the coax side. Would I need to plan on a data cable to one IRD per SWM-8 to bridge the sides together or would the "upstream side" of the E2/4 do it?

    Is the E2 or E4 essentially just a sexily packaged group of multiple splitters/diplexers and mounting unit for the -8, or does it have a little more intelligence than that? If so, I might as well stick with the splitters already in place and make sure I match up the ports.

    Running Cat5 to the remaining couple of locations isn't a major issue and I have the ports on the switch, but the concept of slinging it on Coax seems a lot cleaner from an install point of view, plus gives the option of moving it to other coax in the house rooms without having to plant a data jack there.

    Thoughts?

    EKG


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  3. #2
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    It's been rumored that networking via the SWM and coax is coming but no details have been released. MoCA equipment uses the same frequencies as SWM, so some changes would be needed and it is unknown if that would require any replacement of hardware (a MoCA-like system using frequencies below those used by SWM would probably be the easiest implementation).

    Apparently there is a way for a non-networked DVR to report PPV purposes via communication via the SWM to a networked or phone-equipped DVR, but I haven't seen any details. Of course, that requires very little bandwidth compared to MRV, etc.
    Last edited by Bob Nielsen; 07-07-2009 at 10:35 AM. Reason: typo

  4. #3
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    No details about the MRV/Networking over SWM have been released, but I would be extremely surprised if you had two SWM-8s and it passed information between them. SWM-8 switches are meant for MDU installations which are by design meant to be isolated. I would just run some CAT5 to each location so that you a) don't have to wait for SWM networking and b) will know for sure it will work

  5. #4
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    Maybe I'm missing something, but with 6-7 receivers, wouldnt you just need one swm-8?

    Only one wire from the swm to each receiver.

  6. #5
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    True, but each DVR has two tuners and thus is assigned two SWM channels. Thus, a need for 2 SWM8s.
    HR23-700, HR24-500/AM21, Samsung UN46C6500

  7. #6
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    each dvr counts as 2
    Humankind cannot gain anything without first giving something in return.
    To obtain, something of equal value must first be lost.
    That is alchemy's first law of Equivalent Exchange.
    In those days, we really believed that to be the world's one, and only truth.

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