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c31, c41 wire length?

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by coldjerry70, Aug 7, 2013.

  1. coldjerry70

    coldjerry70 New Member

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    Mar 19, 2012
    Is there a maximum length of RG6 you can have from the client box to the SWM splitter?
     
  2. inkahauts

    inkahauts Well-Known Member

    22,540
    1,087
    Nov 13, 2006
    I run 50 feet from dish to swim. 170 feet through splitters in some places from swim to boxes. No issues. Clients and genies.
     
  3. coldjerry70

    coldjerry70 New Member

    4
    0
    Mar 19, 2012
    Thanks for your input. The run in question will be between 150 and 160 from a c41 to the splitter. Also the run to the dish is pretty close to 200 feet, but I have never had a problem with longer runs from the dish. inkahauts, your comment makes me feel a little better already. :)
     
  4. kaminar

    kaminar Mentor

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    8
    Mar 25, 2012
    If you're having issues, go with RG11. It's good for 400+ft.

    -=K=-
     
  5. Stuart Sweet

    Stuart Sweet The Shadow Knows!

    37,060
    287
    Jun 18, 2006
    I've done a lot of research on this. 150 feet is the number I feel most comfortable with, but if you use the smallest possible splitter you can go further.
     
  6. peds48

    peds48 Genius. DBSTalk Club

    19,924
    1,055
    Jan 10, 2008
    NY
    a typical SWM LNB outputs -30dbm (some may be higher). there is about 10db loss for every 100 feet of RG6. a receiver or client "likes" to see at the very least -60dbm at the satellite input. so with these numbers

    -30dbm from LNB
    20dbm loss from dish to splitter
    16dbm loss from splitter to the client

    at the receiver/client you will have about -66dbm which is too low. and this is not including fittings, ground blocks.
     

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