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Dual LNB - Only one cable? |
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#1 |
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Forum Member
Join Date: Feb 2009
Posts: 2
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Dual LNB - Only one cable?
I’ve decided to purchase the Humax FOXSAT-HDR so that I can get Freesat with a digital recorder. On reading the technical specification I believe I need a dual LNB to watch one channel whilst recording another?
Whilst carrying out major house building work last year I thought I would plan ahead and put the cable in ready for when I purchased the satellite system, I installed the cable, but only one !! Is there anyway I can combine the dual LNB outputs at the dish onto one cable then split them again at the satellite box? Or do I need to tale a hammer and chisel to the new plaster! Thanks for any suggestions Rod |
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#2 |
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Forum Member
Join Date: Dec 2008
Location: south of Redditch & left a bit
Posts: 174
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You should be able to slide another cable down the trunking
Failing that undo the box in the lounge attach two pieces of string to the cable and carefully pull the cable into the loft or ceiling with the string Then use one piece of string to attach dual figure of eight cable or two cables and pull the string back through The other string? Make sure it's long enough allow it to slide back through with the cable as it will help it slide in, but it's main purpose is as a backup should the first string fail
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#3 |
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Forum Member
Join Date: May 2005
Location: Redditch Worcs
Posts: 17,289
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Quote:
I’ve decided to purchase the Humax FOXSAT-HDR so that I can get Freesat with a digital recorder. On reading the technical specification I believe I need a dual LNB to watch one channel whilst recording another?
Whilst carrying out major house building work last year I thought I would plan ahead and put the cable in ready for when I purchased the satellite system, I installed the cable, but only one !! Is there anyway I can combine the dual LNB outputs at the dish onto one cable then split them again at the satellite box? Or do I need to tale a hammer and chisel to the new plaster! Thanks for any suggestions Rod |
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#4 |
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Forum Member
Join Date: Dec 2007
Location: UK North
Posts: 4
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Single Cable - full function LNB
It supports Single Cable Distribution (SCD), otherwise known as Unicable. Right now, we're testing with a Unicable LNB from Inverto. This allows up to four compatible receivers to be connected using a single cable, rather than requiring one cable per tuner. A normal LNB shifts the satellite signals to an intermediate frequency; with Unicable, there can be up to four of those intermediate frequencies, and each tuner is assigned one, which it uses to talk to the LNB, which contains four independent LNB units and the electronics to handle the signalling between them and the receivers. So if you don't want to run extra cables Unicable could be a solution - as long as all your kit's compatible, and you don't mind paying around £70 for the LNB - we got ours from Germany, including shipping. Buy in the UK and pay around £80.
Admin Edit: Please provide a link to your source when reproducing articles which you do not own the copyright to. http://labs.pcw.co.uk/2008/11/humax-foxsat-hd.html |
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#5 |
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Forum Member
Join Date: Dec 2008
Posts: 4,556
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Get a shotgun cable, this only takes up the same space as a single cable. Its a 10 mins job to replace.
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#6 |
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Forum Member
Join Date: Jan 2003
Location: N Yorks
Posts: 13,712
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Quote:
I’ve decided to purchase the Humax FOXSAT-HDR so that I can get Freesat with a digital recorder. On reading the technical specification I believe I need a dual LNB to watch one channel whilst recording another?
http://www.satcure.co.uk/tech/lnb.htm#twin Quote:
Is there any way I can combine the {twin} LNB outputs at the dish onto one cable then split them again at the satellite box?
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#7 |
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Forum Member
Join Date: May 2005
Location: Redditch Worcs
Posts: 17,289
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There's some very amusing answers on this thread (don't get me wrong they are all correct but mostly from a cost point of view very expensive). Cheapest best solution change lnb to quad, if the the connection to the dish is around 10M replace single cable with the thinner shotgun cable. If longer add a single higher quality coax.
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#8 |
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Forum Member
Join Date: Apr 2006
Posts: 1,395
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I got the standard Inverto unicable LNB with the 3 splitters from a UK source, cost <£40, but I think you may need a round dish and setting up isn't all that straight forward. People looking for an "easy way out" are probably going to be disappointed.
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#9 |
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Forum Member
Join Date: Jan 2003
Location: London
Posts: 4,517
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Did you actually have any luck with it, Dan? As you know, I concluded that it wasn't actually reliable in SCD mode.
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#10 |
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Forum Member
Join Date: Jan 2003
Location: London
Posts: 4,517
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Quote:
It supports Single Cable Distribution (SCD), otherwise known as Unicable. ...
What he did instead was copy and paste a whole section from the PCW blog, without attribution, as if it was something he'd done. The original of that ripped off text is here |
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#11 |
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Forum Member
Join Date: Feb 2009
Posts: 2
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Wow, as a new user to the forum I'm most impressed with the speed and quality of the replies received.
Firstly I can’t easily add another cable; it goes under floors, through a wall and is then plastered in a newly decorated wall. All my fault of course, my new rule for the future “Always put in spare cables when rewiring”. I’m going to go for the loop cable suggestion as a temporary fix, but keep an eye on the Unicable option for the future. Thanks again for all your suggestions. Cheers Rod |
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#12 |
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Guest
Join Date: Apr 2004
Posts: 957
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Quote:
Oh wait. Whoops. No, he didn't write that. Any of it.
What he did instead was copy and paste a whole section from the PCW blog, without attribution, as if it was something he'd done. The original of that ripped off text is here Might be worth dropping Humax an e-mail about this to clarify the situation if you're thinking of looking into this route more. |
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#13 |
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Forum Member
Join Date: May 2005
Location: Redditch Worcs
Posts: 17,289
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Quote:
Wow, as a new user to the forum I'm most impressed with the speed and quality of the replies received.
Firstly I can’t easily add another cable; it goes under floors, through a wall and is then plastered in a newly decorated wall. All my fault of course, my new rule for the future “Always put in spare cables when rewiring”. I’m going to go for the loop cable suggestion as a temporary fix, but keep an eye on the Unicable option for the future. Thanks again for all your suggestions. Cheers Rod http://www.digitalspy.co.uk/forums/s...d.php?t=984808 |
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#14 |
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Forum Member
Join Date: Jun 2002
Posts: 71
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So, to use a Humax Foxsat+ 'properly', you ideally need a dish with a 2-way LNB, and two cables.
I have a Sky oval mini-dish, with 1-way LNB and single cable. Maplin sell a 2-way LNB and bracket to fit onto a sky oval mini-dish. If I fit those and run a second cable, will it work OK, or do I need to change the whole dish? Ta |
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#15 |
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Forum Member
Join Date: Feb 2004
Posts: 722
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It will work perfectly. That's the ideal setup.
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#16 |
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Forum Member
Join Date: Jun 2002
Posts: 71
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Cool. Just to double check; the sky oval mini-dish is OK?
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#17 |
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Forum Member
Join Date: Dec 2008
Posts: 4,556
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Quote:
Cool. Just to double check; the sky oval mini-dish is OK?
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#18 |
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Forum Member
Join Date: Jun 2002
Posts: 71
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Excellent. Thanks guys
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#19 |
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Forum Member
Join Date: Apr 2006
Posts: 1,395
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Quote:
Did you actually have any luck with it, Dan? As you know, I concluded that it wasn't actually reliable in SCD mode.
Quote:
Cool. Just to double check; the sky oval mini-dish is OK?
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