2Cables from the DP-34 to the 625 as you now have and 2 cables from the DP-34 to the 721 can't explain it any simpler.subber said:
How to Add 721 to 625 system
I had a 522 which was changed out to a 625 when the Hard drive went out for a walk and never came back. I now would like to add a 721 which I received from my neighbor as he went on to the greener pastures of HD and I need a cabling diagram to get this receiver installed correctly. I have bought a DP34 and just don't know how the cabling would be run with the 625 already in the picture. I would really appreciate some help. Thanks.
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If that was all, it would be simple, but with the 625, a cable to the second TV in a different room comes from a switch in the attic which lets the signal go back thru one of the cables from the 625 receiver and I can't figure out how it would hook up to the 34 switch as it comes out single cables from the switch to the receivers.boba said:2Cables from the DP-34 to the 625 as you now have and 2 cables from the DP-34 to the 721 can't explain it any simpler.
You've asked your question in the context of being stuck somewhere in the middle. You need to tell us what kind of setup you had before you tried to solve your problem. There are two possibilities:
1. If you have a single cable running to your 625, you don't want the DP34 as it is not compatible with your LNB. In this instance, you would run a cable from the LNB to your 721 and be done. Don't forget to use a grounding device just before the cable comes into the house.
2. If you have two cables running to your 625, you should trade your DP34 in for a DishPro+ Twin LNB and wire it according to the above.
Both the 625 and the 721 are DishPro+ compatible which means that when used in conjunction with other DPP equipment, you only need one cable.
If you have your heart set on using the DP34, you'll need to make sure that your LNB is not a DPP Twin. You'll also need two cables to each receiver and both of the cables from the dish (you will have to add one if one doesn't currently exist) will go to the inputs of the DP34.
Last time I checked, the DPP Twin is cheaper than the DP34 and in your situation, is functionally identical (both will accept three satellites and output to at most two dual-tuner receivers).
1. If you have a single cable running to your 625, you don't want the DP34 as it is not compatible with your LNB. In this instance, you would run a cable from the LNB to your 721 and be done. Don't forget to use a grounding device just before the cable comes into the house.
2. If you have two cables running to your 625, you should trade your DP34 in for a DishPro+ Twin LNB and wire it according to the above.
Both the 625 and the 721 are DishPro+ compatible which means that when used in conjunction with other DPP equipment, you only need one cable.
If you have your heart set on using the DP34, you'll need to make sure that your LNB is not a DPP Twin. You'll also need two cables to each receiver and both of the cables from the dish (you will have to add one if one doesn't currently exist) will go to the inputs of the DP34.
Last time I checked, the DPP Twin is cheaper than the DP34 and in your situation, is functionally identical (both will accept three satellites and output to at most two dual-tuner receivers).
The way it is cabled now, I have dishpro with dual LNB, it has a dual cable from the dish which separates in the attic with one of the two cables first going thru a switch then both go to the 625 ( also from that switch, a cable goes to my bedroom to the TV ). At the 625, one of the two cables goes directly into one of the two inputs and the other goes into a diplexer with two output cables with one output of the diplexer to the other input of the 625 and the other goes to the output for the other TV from the 625. I was thinking that if I used the 34 and used two outputs with each having a DP21 to separate the single outputs, then I could leave the cabling to my 625 alone and have two cables to the 721...am I correct or am I missing something?? Thanks for the answers .........
You can leave everything alone with the 625, but you'll have to run two cables to the 721. Running two cables isn't much more difficult than running one, but bear in mind that you will likely have to set it up single cable as I recommended when you go HD (mandatory if your HD locals come from 118.75).
If you're contemplating DirecTV, they still require two cables.
Something that I neglected to mention earlier is that with DishPro+ technology, you need to use a "separator" at each receiver. These sell for under $10 each online ($6.50 delivered on eBay). Financially, this kind of evens the score versus running a second cable.
The "switch" that you have in the attic is the companion diplexer that extracts the "backhauled" TV2 signal from the satellite feed. A DP34 would be installed between the attic diplexer and the dish.
If you're contemplating DirecTV, they still require two cables.
Something that I neglected to mention earlier is that with DishPro+ technology, you need to use a "separator" at each receiver. These sell for under $10 each online ($6.50 delivered on eBay). Financially, this kind of evens the score versus running a second cable.
The "switch" that you have in the attic is the companion diplexer that extracts the "backhauled" TV2 signal from the satellite feed. A DP34 would be installed between the attic diplexer and the dish.
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