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The DPP Separator is indeed a diplexer, in fact in this early photo it is labelled as a "high-performance diplexer." It separates the DishPro high and low bands rather than the OTA and DBS bands as used in many installations. You only need one because a DP LNB does the band stacking and a DP Plus switch band-translates and re-stacks as needed to get the needed transponders on the right output of the Separator.

Problem solved - I hit EBay for a new DP34 for $40 delivered and it works like a champ. I suppose a splitter would have been cheaper, but I couldn't find a DP rated one with power on only one leg. Thanks for your help.

This thread brings up a lot of questions for me.

I'm looking to create a home video distibution setup, my idea keeps getting more complex and perhaps it is because I don't understand some of these options switches splitters diplexers etc. I want to display and share output from dish network pvr's, and cable tv or OTA antenna. The home has two rg6 cables run to each room a tv might be located in from a central distribution box. Are there any good digrams that anyone could point me towards?

I guess my main question related to this thread would be: Can a splitter and diplexer be used on the same single cable to provide cable services or antenna signal plus two tuner feeds for a 622 from a dpp44 switch? I'd like to be able to use the second cable in at least two locations to return the 2nd TV output from the 622 back into what could be considered the central distribution to share on the other tv's. Is it just one splitter from one port on a dpp44? At the same timewould it be two diplexers one to add the signal to the line and one to split it?

I see myself serving perhaps two hdtv's with two 622's and sharing the second output from each back to other locations. the other locations may also have a satellite reciever, hopefully I could offer multiple dvr services combined in with cable to the tv's down one cable and regular Dish across the other cable. I'll probably have 4 or maybe 5 tv's to start and would expect I'll have 4 satellite recievers(6 tuners).

I have a very large family with kids ranging from three to eighteen years of age, everyone wants to pick the show, the more diversity I can provide the less arguing and fighting there is. I think it's well worth the extra dollars(within reason) to avoid the fights over the remotes.

Thanks!

I have a similar 'problem' Ziploc; but I'm trying to get my channel modulator (for my security cameras) to all my TVs. I have dual RG6 to each room; one for sat and one for my own in house channel. I'm not having ANY luck making it work. I have 2 811s and 2 311s. On the 811s, I'm already feeding my local HDs on the cable/antenna port. I can have one, or the other. I'm thinking I need some sort of diplexer setup, but haven't figure it out. Then, on the 311s, there is only one RG6 input, so not sure how i can combine the signals.

The hole point of the channel modulartor is so I can have my own TV channel (in my case, i picked channel 123 as it isn't used on my system); but can't get the Dish boxes to 'find it'.

If the pdf Linked in this other thread is correct my questions are answered I guess.

http://www.satelliteguys.us/showthread.php?t=64693

The pdf appears to be exactly what I need to do except feed the TV2 output back to the central box over the second RG6 line and tie it in with the cable feed (I hope).

BobaBird said:

The DPP Separator is indeed a diplexer, in fact in this early photo it is labelled as a "high-performance diplexer." It separates the DishPro high and low bands rather than the OTA and DBS bands as used in many installations. You only need one because a DP LNB does the band stacking and a DP Plus switch band-translates and re-stacks as needed to get the needed transponders on the right output of the Separator.

Click to expand...

Awesome... do we know the exact frequency shift that is happening to get the frequencies in each range?? (950-1450 and 1650-2150)