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SWM16 Frustration

Discussion in 'DIRECTV Installation/MDU Discussion' started by am3211, Jan 3, 2012.

  1. am3211

    am3211 AllStar

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    Mar 23, 2008
    Actually VOS, that drawing from another of your posts is what alerted me to the possibilities and I believe it will work well for me once I get past this hurdle
     
  2. lugnutathome

    lugnutathome Hall Of Fame

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    Is there any advantage to this method as opposed to having 2 SWMs cascaded off 2 way splitters?

    I've a 150 ft run to the SWMs from the dish so I've Sonora equalizer/amp/polarity locker in the chain above the cascading splitters. This was the Sonora engineers design for my set up.

    I believe the 8 uses the legacy3 port for the power however.

    Mine works flawlessly and I upgraded one of the 8s to a 16 last year with no issues. It ain't broke so not gong to fix it, just curious. Never considered the legacy ports for cascading.

    Don "Mongo lernt summin taday" Bolton
     
  3. Shades228

    Shades228 DaBears

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    The benefit is to remove extra equipment that's not needed and not having signal loss before reaching the multi-switch. Due to your length of runs you may have still needed the sonora equipment due to DC loss. Using the legacy ports just removes splitters and signal loss between the two or however many are chained. In large applications like MDU's it's also much cleaner in the closets.
     
  4. DarkLogix

    DarkLogix Godfather

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    plus if you were to be doing one of the odder setups where you have WB and SWM (I think there's one user on here with that) then having a SWM16 on the front would be helpful to hopefully avoid some of the issues I've seem people post about where they have issues with the WB68's
     
  5. am3211

    am3211 AllStar

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    Mar 23, 2008
    OK, Everything works but I'm not sure why. I did switch the PI's. After I connected the PI that had been originally on the SWM8 to the SWM16 and did a RBR, both those DVR's (HR24's) are functioning properly.

    I then connected the PI that I had gotten with the SWM16 to the legacy port of the SWM8 (that is a little cleaner for me since I only have two DVR;s the HR20 and the HR22, running on that SWM), and both those DVR's are functioning properly. Thanks for the tip on using the Legacy 3 port for power.

    There was considerable cable switching and RBR's during this whole process, so my best guess is a loose connection. At this point I will leave well enough alone and wait for the HR34 to replace the HR22.

    Thanks for the help, advice and knowledge.
     
  6. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    It does seem like a cabling issue, which can drive you nuts.
     
  7. am3211

    am3211 AllStar

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    Mar 23, 2008
    Yeah, but I thought I checked those cables and connections multiple times. I suppose it could still turn out to be an intermittent problem (hope not, cause those are more frustrating than cable or connector issues).

    Thanks again for your help.
     
  8. DarkLogix

    DarkLogix Godfather

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    Cool that it all worked out so far.

    I always use a small wrench to tighten a little past hand tight (not much)

    if you're good at putting connectors on coax you could try replacing all the connectors, or unscrew each one and inspect it (ie make sure the connecters are on the cable real good) (I once had an issue with a really high upstream level on my cable internet and it all came down to a cable that was loose in the connector, and just pushing it in helped but not as much as replacing the cable and removing the barrel)
     
  9. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    The SWiM will either die, or not, while the cabling/connectors are more likely to be an intermittent problem, "until" you've gone through every one of them.
     
  10. DarkLogix

    DarkLogix Godfather

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    could it also be possible that the PI that was on the SWM16 was under preforming but still outputting enough to properly power the SWM8, and the other PI was working good enough to power ether one?
     
  11. am3211

    am3211 AllStar

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    Mar 23, 2008
    I use a small wrench for the same thing and I really thought I had gone through each connection but apparently I was wrong (not unusual for me). I am terrible at putting connectors on coax so I will just let it go for now.

    I am sure when I connect the HR34 I will screw something else up. I will try to keep that as simple as possible by just connecting it in place of the HR22 on one leg of the SWM8 so I don't touch the SWM's or their connections. I then will have seven tuners on the SWM (two on one leg and five on the other). I assume that should not cause any "balance" or performance issues?
     
  12. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    "possible", well there are just so many....
    "probable", is much less.
    I think I've read where someone is powering two SWiM-16s off one PI :)eek2:).
    If one were to want to check, swapping them back "should have" the problem return.
     
  13. am3211

    am3211 AllStar

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    Mar 23, 2008
    I am not that curious.
     
  14. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    !rolling
     
  15. am3211

    am3211 AllStar

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    Possible, I suppose, but it still is powering two output ports on the SWM8 with no problems.
     
  16. DarkLogix

    DarkLogix Godfather

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    Me too
    or else I'd have already shortened all the cables coming from the GB to my SWM16 (one of them had been going from the GB to my HR20 so that's likely about 10+FT extra)

    they're a total mess due to being very long but I'm not about to cut them and get stuck

    now to see if I can find some excuse to get D* out here to do something and see about getting em to shorten the cables (any ideas?)
     
  17. DarkLogix

    DarkLogix Godfather

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    it was just an idea (I agree I wouldn't be interested enough ether as its working now)

    basically the SWM8 only powers one port and then has a built in 2way splitter
    where as the SWM16 is like 2 SWM8's with a RF deca bridge so the SWM16 should in theory need more power (speaking of the RF deca bridge I wonder if VOS might know how to make one?, I think it would be basically the inverse of a BSF)

    and then as VOS said it seems someone somewhere is using one PI to power 2 SWM16's
     
  18. am3211

    am3211 AllStar

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    Mar 23, 2008
    Not sure how short of cables you are looking for or how many but I bought a dozen 18" cables at monoprice for less than $15. I used them to connect the SWM and the SWM16 plus the PI's and some other assorted cleanup that I need to get done. Of course that may have been part of my original problem.
     
  19. DarkLogix

    DarkLogix Godfather

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    I don't much want to disconnect anything from the GB, which is why I'm more interested in D* just cutting them shorter

    I would guess they need to be about 10FT but are currently 20-30FT
     
  20. syclonedave

    syclonedave Mentor

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    The legacy 3 port is meant to be used with the 24V supply that used with MDU installs. Like with a E2 or E4 splitter.

    I've always heard ( & used) that anytime more than 1 SWM is used, there needs to be a locker up stream so that the port voltages & freqwencies don't get swapped & such.
     

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