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Old 08-19-2012, 03:45 PM   #31
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DTV Dual Feeds over One Cable

DirecTV markets a device called a Single Wire Multiplex (SWM) device, which the techs call a "swim". This device connects two outputs from the dish into the two inputs into the dual tuners over a single cable. All their recent DVR receivers are compatible with this technology. Cheap RG6 (copper clad) might not work with the SWM because additional power is needed at the dish end. You need all-copper RG6.

By the way, both my factory-equipment F-type connectors are labeled "Satellite Dish Hook Up", even though only one will pass a satellite signal.
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Old 08-19-2012, 09:50 PM   #32
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fyi, the standard rg6 will not generally support the operating frequency of the incoming sat feed from the dish..... ....and if you did it would prob not support all the channels or my have poor signal quality and reception issues...
I think you're right. We'll be taking the trailer on another short trip soon and I'll take the sat dish and receiver and see if the "Cable" coax works as the second feed.
Thanks.
Bob
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Old 08-19-2012, 10:00 PM   #33
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DirecTV markets a device called a Single Wire Multiplex (SWM) device, which the techs call a "swim". This device connects two outputs from the dish into the two inputs into the dual tuners over a single cable. All their recent DVR receivers are compatible with this technology. ....
I'm definitely following this up with DirecTV and with my Canadian provider, Shaw Direct. I hope they are connected as my dish is the large oval type and I think the DirecTV is the same.
Thanks
Bob
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Old 09-07-2012, 06:14 AM   #34
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Dish network uses dpplus which sends the signal over one coax to the tuner and then at the.tuner there is a 3way splitter which gives 2lnb connections and a OTA in/out. I realize that doesn't mean much if you are stuck with DirecTV.
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Old 09-07-2012, 11:21 PM   #35
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Coincidentally I just heard from my Sat provider, SHAW Direct, that their receiver will actually work with a Stacker/Destacker, it's just they don't Support it. I'll be testing the system with the standard "Satellite" and "Cable" coax's soon so I'll know then if I need this extra equipment.
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Old 09-12-2012, 07:46 PM   #36
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UPDATE: I eventually got the chance today to test my new 2012 Lacrosse 301RLS sat/cable wiring with my Sat system (Shaw Direct HD PVR630 Dual Tuner).

I did the "rewire mod" as suggested by herk7769 which brought the "Cable" coax out to a new connector so this allowed me to connect 2 coax cables from the "Satellite" and "Cable" outlets at the Entertainment Centre to my Sat Receiver. I set up the dish and used 100' runs of "Digital Satellite RG6 2300MHz" coax to connect to the Satellite and Cable inputs in the outside Distribution Center. Everything worked great - had about 98% signal strength on each tuner.

I also tried to redistribute the Sat receiver output to the bedroom and outside TV's, but found my Sat receiver doesn't have a coax output - only A/V, Component, and HDMI. Seems I need an RF Modulator to convert the A/V output to RF for feeding to the other TV's. I tried using an old VCR by feeding in A/V(RWY) and using "TV Out" for the coax but couldn't get that to work. This part is very low priority for me so I'll leave it for a winter project when we are in Arizona.

Thanks for everyone's help on this.

Bob
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Old 09-17-2012, 09:20 PM   #37
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DTV SWiM Working Fine

This was my big HD/SWM weekend. I hooked up my newly-purchased, used, HR24 DirecTV receiver to my old SD dish. It required a dongle called a B-Band Converter, but I had one on hand and it worked great (on SD and only one tuner). Next I opened the Slimline SWM dish shipping box and was surprised that there were so many parts and no instructions. I separated the stuff that looked like house-mounting hardware and looked for holes that lined up in the different parts. That made it start to make sense, and in about 15 minutes I had it assembled.

I had seen ads that called for a fancy, expensive tripod for the larger HD dish, but I mounted it on my old cheapo tripod and it was plenty stable enough. I had purchased a Tracker Light 500 satellite meter for $150, and after figuring out how to use it, I was easily able to point the dish in an optimal direction. DTV warns that professional installation is HIGHLY suggested for the HD dishes, but I found it no harder to align than the 3-LNB SD dish.

My first difficulty was figuring out how to set up the meter in the SWM environment. Turns out that I had to hook it up as if it was a second DTV receiver using the SWM splitter that was included with the Tracker.

I lined up the dish on the 101 satellite, then optimized the 119 satellite. I disconnected the meter, changed the dish type and multiplexer in the DTV receiver, but was surprised that I had no picture. I checked all the connections, and found that I had left the B-Band converter in line. I removed the converter and everything worked great. High signal readings, and I was able to view one HD channel and record another (just like my home setup) over a single coax cable.

It took me about two hours overall, but I could do the next one in 15 minutes.


Quote:
Originally Posted by ProjectPro View Post
DirecTV markets a device called a Single Wire Multiplex (SWM) device, which the techs call a "swim". This device connects two outputs from the dish into the two inputs into the dual tuners over a single cable. All their recent DVR receivers are compatible with this technology. Cheap RG6 (copper clad) might not work with the SWM because additional power is needed at the dish end. You need all-copper RG6.

By the way, both my factory-equipment F-type connectors are labeled "Satellite Dish Hook Up", even though only one will pass a satellite signal.
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Old 09-18-2012, 12:46 PM   #38
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It just dawned on me that I should have never had the B-Band converter in line in the first place. It is only required for HD channels, and my old dish didn't get them. Oh well, hindsight is 20-20.
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Old 11-14-2012, 10:00 PM   #39
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I don't know if this thread is outdated but thought I'd try. I'm trying to hookup a satellite to my Cardinal 36RT 5th wheel. In the bedroom there's to connections. Neither are labeled. Outside the camper there are also two satellite connections side by side. Are there any 36RT owners that have connected a portable satellite that can tell me which connections are correct to use? It's hard enough finding a satellite without have to guess the correct route. I'm trying to hook to the bedroom. I may end up getting an ohm meter & paper clip.
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Old 11-23-2012, 04:33 PM   #40
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SG6923, if you are within antenna reception distance you can try each connection and see if your antenna works with it. If so, it will probably NOT work for satellite. In my V-Cross, the external aft connector is the satellite connection and the fore connector is for cable and also connects to the rooftop antenna. Amp on for antenna, off for cable.
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