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AllStar
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Discussion Starter · #1 ·
Just upgraded to HD. Installer added a second Dish500 with a single LNB for Sat 61.5. Because of trees in yard, he had to move my Dish500 DP Plus Twin and colacated it with the new Dish 500 for HD. He ran a short cable between the dishs and connected the new dish to a port in the existing DP500 plus Twin and then ran two cables .. one fo VIP 722 DVR (with a spliter at the receiver for the two inputs) and one for my 510 DVR.

I forgot to ask this question to the installer .. Is the Twin LNB acting as my switch and therefore I have both HD and SD signals at both receivers (realizing I can only get HD on the 722) ?

Thus, I could do a "dish it up" later on and replace the DVR 510 with an HD receiver by myself ?


Thanks for help ...
 

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Hall Of Fame
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Yes, there is a switch built into the DPP Twin, also since you have DPP, one line can carry the signal for a dual tuner receiver and feed both input via a DPP Separator. You can change out your 510 for any single or dual tuner DPP receiver. If you want to add more receivers you need to add a DPPP Switch to your setup. Splitters do not work with this type of technology.
 

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Hall Of Fame
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Dish normally won't let you install your own dual-tuner receiver if it's replacing a single-tuner receiver. They might make an exception for the 612, since it only has one output, but because the others have 2 sets of outputs for 2 TVs, and usually need to be diplexed and backfed to a second TV, they want installers to do that.

Still, your current dish/cable setup would certainly support any single or dual-tuner receiver as-is. A dual-tuner receiver will come with a DPP Separator (it's the thing that looks like a splitter, but is actually a custom diplexer with frequency filters specific to Dish's equipment) to "split" the single coax to feed both tuners.
 

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EKB Editor
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All versions of the Twin have 2 LNBs and an integrated switch. Even before 61.5 was added, the DPP Twin was acting as a switch which is required any time you have more than one satellite slot in your setup.
 
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