More than 200 ft?
- Thread starter mjstraw
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Ideally, I'd like to go about 275ft
Logically (!) it seemed that a dpp44 in the middle
of the run should do it - receiver tells switch, switch
tells / selects lnbf. But from what I read, it won't
help extend the distance.
Is there some sort of line amp that can be used?
Mark
Logically (!) it seemed that a dpp44 in the middle
of the run should do it - receiver tells switch, switch
tells / selects lnbf. But from what I read, it won't
help extend the distance.
Is there some sort of line amp that can be used?
Mark
It really shouldn't matter where the switch is placed. The 200 foot threshold is the distance from the receivers to the LNBs. That is the recommended max for RG6. Now if you're willing to use RG7 or RG11, then you shouldn't have a problem. RG11 is going to more expensive, obviously. Since the run is less than 300 feet, then you should be fine with RG7
You should be fine with RG-6 have seen systems with more than 400 ft. work just fine. Just make sure you have a good peak on the antenna. You may see a bit more rain fade, but not much.
I agree with dave, I've seen runs longer than 200 ft work fine, in fact mine is about 350ft because where I just moved no way to get signal because of trees and I do this for a living. So I installed be dish at far edge of property 350ft works great.......put the switch next to dish and not in middle or at house. I have noticed in past better sig if switch(on long runs) is next to dish.
Since the Dp34 switch cascades, can't it act as a booster if you put one in the middle of a 300 ft. cable run? In other words, put a Dp34 switch next to a D500 or SuperDISH then another DP34 switch after 200 ft. Then goes another 100 ft to the receiver.
I have also seen the systems work with distances farther than 200 feet but is more likely to see issues when using switches over longer distances. I recommend running all of the wires that goes from the lnbf's to the switch(es) and have the switches at your home where the receiver(s) are.
In a DP install you may experience communications problems with cable runs over 200'. You will still show signal strength, but your receivers may not be able to communicate with the switch and LNB properly. The symptom will be that the receivers will not recognize that they are connected to a DP system and they may not alternate polarity properly. There are amplifiers available. Not sure what brand and model we use, but I know they are HF (2050Mhz+) and we have successfully done runs up to 400' with amplifiers every 100'.
There is RG-6 with copper-plated, iron-core center conductor and RG-6 with copper. The iron core will have a much higher resistance. It is intended for strength as when you drape it from one building to another. The solid copper will have the lower DC resistance needed for powering the LNB and/or switches, IMHO. The braid should be heavy for good conduction in the return path. Quad-shield?
You may be able to decide between 2+GHz rated cables with an ohmmeter on the braid and center conductor, end to end. Use the lowest sum.
-Ken
You may be able to decide between 2+GHz rated cables with an ohmmeter on the braid and center conductor, end to end. Use the lowest sum.
-Ken
How about this?
Thanks to everyone for their suggestions. Let me describe my
thinking as of now and let you all shoot holes in it
Assumptions:
receivers-dpp44-LNBFs setup
cable distances affect 1) power to LNBFs, 2) DiSEqC commands to/from receivers/dpp44/LNBFs on 22KHz tone, and 3) received signal from LNBFs
back to receivers
power supply and inserter provide power to dpp44
dpp44 provides power to LNBFs
power from receivers does nothing
receivers talk with dpp44 but not LNBFs
dpp44 talks with receivers and LNBFs
dpp44 de-stacks/re-stacks signals from LNBFs to meet the needs of the receivers
dpp44 does not amplify signals from LNBFs
So, based on those assumptions I would propose the following:
With 300 ft cable length between receivers and LNBFs, locate
dpp44 mid-way at 150 from each end.
dpp44 is within power range of the LNBFs
The receivers are within DiSEqC range of the dpp44 and the
dpp44 is within DiSEqC range of the LNBFs
The only cable-length related issue left is signal level from LNBFs
back to receivers. I propose using in-line amplifiers such as the
ChannelVision Sat-20dB (950-2250MHz) on one side or the other
of the dpp44.
So - what do you all think? Feel free to explain why it won't work, better
to do so on paper than after it's installed.
Thanks again
Mark
Thanks to everyone for their suggestions. Let me describe my
thinking as of now and let you all shoot holes in it
Assumptions:
receivers-dpp44-LNBFs setup
cable distances affect 1) power to LNBFs, 2) DiSEqC commands to/from receivers/dpp44/LNBFs on 22KHz tone, and 3) received signal from LNBFs
back to receivers
power supply and inserter provide power to dpp44
dpp44 provides power to LNBFs
power from receivers does nothing
receivers talk with dpp44 but not LNBFs
dpp44 talks with receivers and LNBFs
dpp44 de-stacks/re-stacks signals from LNBFs to meet the needs of the receivers
dpp44 does not amplify signals from LNBFs
So, based on those assumptions I would propose the following:
With 300 ft cable length between receivers and LNBFs, locate
dpp44 mid-way at 150 from each end.
dpp44 is within power range of the LNBFs
The receivers are within DiSEqC range of the dpp44 and the
dpp44 is within DiSEqC range of the LNBFs
The only cable-length related issue left is signal level from LNBFs
back to receivers. I propose using in-line amplifiers such as the
ChannelVision Sat-20dB (950-2250MHz) on one side or the other
of the dpp44.
So - what do you all think? Feel free to explain why it won't work, better
to do so on paper than after it's installed.
Thanks again
Mark
We use Holland In-Line Satellite Amplifier LA-520 50-2050MHz. Power inserters and powered amplifiers are better, but these are cheaper, quicker and if it works, it works.
Buy bigger dishes! With long lead length some signal strength will be lost. So rather than a 500 dish use 2 seperate single look dishes, say 36 inch ones/
this will create better signal strength, and rain fade resistance
this will create better signal strength, and rain fade resistance
Simple answer here... As Dave said at 275 you SHOULD be fine unless you use low grade wire.... However to answer the question, the easiest way to amplify the signals is to stack them if they are legacy (this is in theory as there is no after market dishnetwork stacker just yet.... this isnt to say one is not in the works though ) and then amplify from there and dual destack or single destack as needed etc. Sonora makes some good amps that can handle if dont right some *REDICULOUS* distances like 600 or more even... Also you might want to "pre-power" the lnb to decrease any power pull on the line. you insert an LNB dual powering unit close to the LNB and then do as mentioned above, stack it and then amplify it at the relevant locations in the cable.... Cascading IS possible with the right amps too...
-Bountykiller
) and then amplify from there and dual destack or single destack as needed etc. Sonora makes some good amps that can handle if dont right some *REDICULOUS* distances like 600 or more even... Also you might want to "pre-power" the lnb to decrease any power pull on the line. you insert an LNB dual powering unit close to the LNB and then do as mentioned above, stack it and then amplify it at the relevant locations in the cable.... Cascading IS possible with the right amps too... -Bountykiller
