Questions About Routing Directivo to Entire House

Discussion in 'DirecTV TiVo Powered PVRs & Receivers' started by tvn, Mar 2, 2006.

  1. willardcpa

    willardcpa QUASI-OMNISCIENT

    2,686
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    Feb 23, 2001
    Eugene, OR USA

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    I've been using a couple of Sony MRD-D1's for several years and they work fine. They each support two sets of RCA inputs, can be daisy chained together, and have a remote IR sensor that can be mounted by the target TVs.
     
  2. MikeF

    MikeF New Member

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    Jan 29, 2002
    Falcon, CO
    Yes, it adds up, but please remember that its cheaper to do it now than it is after the house is built. I still kick myself for scrimping and only running 2 and 3 lines to certain rooms and a single line to others. The flexibility is really worth the extra cost, and in terms of a mortgage... whats a few thousand dollars? ;)

    Personally I wish I would have done a minimum of 3 RG6 cables to every room. Probably overkill for some rooms, but I've already moved where my office used to be and where our primary TV room is, so my original plans are all shot to pieces just after 3 - 4 years in the house (this doesn't even begin to talk about how I cheaped myself out of proper Cat5e runs).

    With DirecTiVos (and even R15s for that matter if we are talking future) you know you need 2 RG6's dedicated to sending sat signal. A third run will give you OTA. but the problem is now getting the modulated signal back from the TiVos to your distribution point to integrate it into the OTA cable (I don't think you can combine it and run it back down the same line that you are feeding on. I've always used the lines one way... Its an output or an input line, but maybe I'm wrong in thinking that way). You could use diplexors in each room to send the clear single channel back to your distribution point over one of the sat lines, then diplex it and combine it (and the other sat feeds) there (this is similar to what I'm doing), and then feed that back out on the 3rd cable (OTA cable) to the rooms. Use amped splitters at your distribution point to boost the signal back up due to the length of the runs (but remember all of this starts degrading the signal too, so boosting can boost noise). I'm assuming here, that all of your cable is being "home runned" to a central location (closet or basement)?

    Another option is to go out on eBay and look for the Avcast stuff. I've never used it, but its an interesting concept. Not sure if its better or worse than the Ce Labs Modulator though. Supposedly the Avcast stuff can combine and send signals on a single line (so your cabling is more like a network backbone). Again, I've never used it so can't say waht the quality of this is like (and its expensive since there is only one place selling it, and he only sells the kits and not the individual pieces).

    Its really hard when you are building a house as you are desinging based on best guess of what will work. Good luck, and if at all possible, try not to be cheap (I know you have to stay in budget, but don't scrimp when you really don't have too).
     
  3. nova tivo

    nova tivo New Member

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    Apr 12, 2002
    Northern...
    I have a CE1001st too (also purchased from Beach Audio which had the best price) and can speak to its stereo quality, price, and ease of use.

    One quirk on the thing is the mode button to switch from cable to tv signal modulated output. If you want to change modes, you have to push and hold the mode button for 8 seconds on some versions of it. This isn't noted in the short manual and apparently results in lots of tech support calls. CELabs said they planned to shorten the time necessary to change modes to only three seconds in future runs.

    Odd quirk that has no impact on functionality, but something to remember so you don't think it's broken.
     
  4. Lee L

    Lee L Got Basenji?

    9,603
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    Oct 1, 2003
    Morrisville, NC

    This is the key question now. Can I use teh cable as a multi way backbone or should it be one way. This would be much easier if I could locate all teh TiVo's in teh main system or the wiring closet, but since I have HD Tivos in 2 locations (and it will be 3 when I finish the theater room on teh 3rd floor) I need to keep them with the TV;s they are serving.

    To me it seems like it should work in theory but the devil is in the details.
     
  5. venatir

    venatir ***.xssmania.com

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    Mar 8, 2006

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    I have a lot to do until I will have my theater room ready... but I am curios ... how many TiVos somebody can have with a single dish ?
     
  6. Paul_PDX

    Paul_PDX Tivo Fanatic

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    Nov 12, 2002
    Portland Metro
    Funny to run into this thread -- I happened to order a CE1001st and the specs didn't really answer some questions

    Do I need a combiner to add the output onto my COAX? (ie
    Does it have RCA + RF in and RF out or just RCA in and RF out?)

    Does it output an amplified signal or does it need to be externally amplified?

    I am adding to to a setup with a Sony(Channel Plus) MRD-D1 and it will make for my third modulated channel.
     
  7. SeattleCarl

    SeattleCarl New Member

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    Nov 10, 2005
    Each DirecTV receiver or dvr tuner requires a separate feed either from the dish, or from a multiswitch.

    I have seen posts where people have had as many as 32 active outputs in their house through a combination of stacked multiswitches.

    I'm not sure there is a technical limit, but you will probably run into some type of limit from DirecTV (I've heard 8, but don't know that for certain).

    Carl
     
  8. SeattleCarl

    SeattleCarl New Member

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    Nov 10, 2005
    According to one of the earlier posts in this thread, the 1001ST has audio and video inputs, and rf output. No rf input.

    From reading the various posts, it sounds like the output signal level is sufficient for most distribution needs without further amplification.

    I just ordered 2 of these, and a Channel Plus 3025. Looking forward to combining some DVR and security camera signals.

    Carl
     
  9. Vin

    Vin New Member

    416
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    Jun 13, 2003
    Clifton, NJ
    Mike, you CAN send the the RF signal back through the same line, i.e., one of the sat lines that's feeding the DTiVo.

    The way to do this is to feed the sat line from it's source, e.g., the multiswitch, into the single-port side of a diplexor (diplexor #1). Then run a cable from the sat leg of that diplexor into the single-port side of another diplexor (diplexor #2) that will be located near the DTiVo and route that line from the sat leg of that diplexor (#2) into one of the inputs of the DTiVo.

    Now, connect the RF output from the DTiVo to the antenna leg of that diplexor (#2) which will then be carried by the same sat line that's feeding that diplexor (#2).

    The antenna leg (of diplexor #1) at the multiswitch will now carry the signal from the DTiVo for distribution.
     
  10. MikeF

    MikeF New Member

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    Jan 29, 2002
    Falcon, CO
    Right, I understand that as that is what I'm doing (and what I suggested above, or I think thats what I meant to say ;) ). The question I wasn't sure of was if you could inject a modulated signal into the cable run and would that go out to the TVs in the rest of the house (so you are combining OTA and modulated signals in multiple places, not sending to a central distribution point. So almost like a network backbone where computers talk bidirectionally on a single line). From my understanding you can't (or shouldn't do that) So I've always done cables so they are either inputs or outputs (inputs going to a distribution area, and outputs going to the remote TVs). Still not sure if I'm making that clear.

    As I stated above, I know the Avcast system does seem to advertise you can do that with their stuff, but again, I've never seen the quality of it, or if it really works that way.
     
  11. nova tivo

    nova tivo New Member

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    Apr 12, 2002
    Northern...

    The unit has three RCA in (video, left + right audio) jacks and one coax out only. By itself the unit will not combine with another signal. The signal is amplified out enough that I simply bought a $2.00 RCA coax splitter from Home Depot to use as a combiner instead. No degradation in quality that I can tell.

    See my earlier post above about an odd quirk about the 1001st to keep in mind.
     
  12. Thespis

    Thespis Member

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    Apr 23, 2003
    Here's another endorsment for the ChannelPlus 3025. Mine works great and the amplified outputs are great for long runs. I cheaped out and bought the RCA pyramid IR extenders. They're starting to die after about 4 years so I'm about to go to these:
    http://www.weaknees.com/rf_remote_details.php
    I've got two DTivos on the line inputs and an Xbox on a Ch. 3/4 modulator outputting to the RF input.
    Ch. 3 - Xbox
    Ch. 54 - Wife's Tivo
    Ch. 59 - My Tivo
    Works great...
     
  13. lutton

    lutton New Member

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    Mar 10, 2004
    I use the 3025 too. Two A/V inputs, 5 RF outputs, plus an RF input to feed in OTA/Cable/additional modulators.

    It only has two IR repeater outputs, but I use one to feed a 'hotlink' IR system inside my equipment closet.
     
  14. Vin

    Vin New Member

    416
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    Jun 13, 2003
    Clifton, NJ
    Mike, re-reading your post, you were perfectly clear in what you were asking. The confusion was due to the two (or maybe it was three) glasses of wine I had before I replied.....sorry about that! :D

    Unfortunately, now that I understand the question I don't have an answer.

    Cheers! ;)
     
  15. tvn

    tvn New Member

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    Sep 29, 2002
    New Jersey
    I can vouch for the IR Extender that you looked at on weakknees. I have it in the garage next to two R10's (with unique remote addresses). I will spend the extra $25 for another battery so I don't have to keep switching the battery amongst the two remotes. But this thing is A+ and no receiver to look ugly in the viewing room.
     

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