New Structured Cabling Installation

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321 posts

Ultimate Geek

#367912 15-Aug-2010 17:39

cyril7: Hi, I recommend (and I think thats what you have planned). Two feeds from dish to comms cupboard, one from UHF.

Correct.

4 runs to main TV in lounge (same to 2nd location if you might move it).

Correct

Two runs to each bedroom

Almost. Was going to do 2 runs to only two of the bedrooms. Although for the sake of an extra $100 I might do all bedrooms with 2x runs of RG6.

In the main lounge I presume you will have your MySky/Sky decoder,and feed RF from there,

Correct, MySky Hdi. Although I dont actually plan to feed RF from there at this stage, I just want the option of being able to do so in the future.

...combine with UHF antenna in comms cupboard, then use a amp (Kingray SA162F) to feed a splitter and distribute the combined UHF antenna feed and Sky RF feed to all rooms.

I want UHF in all rooms but was planning to split the dedicated UHF feed straight off the aerial to the rooms. This would require an amp to be placed before the splitter as it will be split say 8 ways.

I dont really want the MySky HDi distributed around every room. I was figuring that I should provide 2x runs from the sky dish to each TV location in case we (or future owners) wanted to add additional decoders at those locations. This would also involve another 8 way splitter and amp for each of the two sky feeds.

If you split more than 3-4ways then you can be sure you will need an amp to assist with making up for that loss, the SA162F is ideal for this, it has approx 15dB gain which is all you need to make up for line and splitter loss.

That way in each bedroom you have a UHF feed to provide FreeView and Sky analog. You also have a feed for a Sky box in each bedroom should you wish.

Cyril

Your way sounds cheaper as I dont need as many splitters & amps. Actually after typing all of this I think I am getting confused. The combined UHF/Sky RF feed is watched how? Connect it to a freeview decoder to watch Freeview. Do you need to plug it into a sky decoder to watch sky? or are you distributing picture from the Mysky in the lounge? ie connect the tv in the bedroom to watch MySky?

This is why RF scares me!!!

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cyril7

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#367920 15-Aug-2010 18:01

The most common requirement is UHF from the antenna to FreeView decoding TVs in bedrooms, but combine this with an RF feed from the Sky box before distribution, that way you can at least have what is on the Sky box in the bedrooms albeit an analog feed.

I know lots of folk go but why bother, do HDMI from the Sky box so you can have HD in the bedrooms, reality is, its more bother than most folk care for, most are happy with an RF feed.

If you combine the UHF antenna with the RF feed from the Sky box (or external modulator) and then amp that and split all is good and the recommended way to do it.

Cyril

JimmyLizar

321 posts

Ultimate Geek

#367937 15-Aug-2010 19:01

cyril7: If you combine the UHF antenna with the RF feed from the Sky box (or external modulator) and then amp that and split all is good and the recommended way to do it. Cyril

OK I understand most of it now. Not sure how the combined UHF/sky box feed works in the bedroom. Can you please explain a little more.

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cyril7

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#367938 15-Aug-2010 19:17

FreeView panel TV in bedroom tunes to digital FreeView for 15-18odd channel, plus can tune to analog channel with whatever is on Sky box.

Cyril

JimmyLizar

321 posts

Ultimate Geek

#367942 15-Aug-2010 19:28

Ok, got that.

What type of splitter is required on the dedicated satellite feed to the rooms, power pass on 1 port ( to main tv location Sky decoder) or on all ports?

Any inexpensive testers/meters that you know of to test signal strength etc that you have come across?

What sort of signal strength range should I be looking for after all setup has been completed?

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Butj

68 posts

Master Geek

#368920 17-Aug-2010 21:18

cyril7: Two feeds from dish to comms cupboard, one from UHF.
Cyril

Cyril excuse my ignorance, i'm learning, but why 2x feeds of RG6 from the dish?
cheers John

mentalinc

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#368937 17-Aug-2010 21:44

Butj:
cyril7: Two feeds from dish to comms cupboard, one from UHF.
Cyril

Cyril excuse my ignorance, i'm learning, but why 2x feeds of RG6 from the dish?
cheers John

MySky requires 2 to be plugged in (1 for each of the tuners).

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Butj

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Master Geek

#368938 17-Aug-2010 21:58

Ok so I got 4 inputs on my present MySky box and only one feed into input 1 connected. If I want to distribute through a splitter, how does that work? Cheers John

cyril7

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#368941 17-Aug-2010 22:04

Actually its not one for each tuner, its two sepeate orbital slot IFs, that can be switched by the inbuilt 4in, 4out multiswitch to any of the four internal tuners.

Basically Sky currently have services on D1 at 160E, and future potential services on D3 at 156E, both only Hpo;. Input1 of the MySky switch input sources 18V (Hpol) and no 22kHz so gets D1 from the LNB, Intput2 of the Mysky switch input sources 18V(Hpol) and 22kHz so gets D3 from the LNB. Each of the 4 tuners can now select from D1 or D3 (Hpol) by sourcing 22kHz or not.

A normal standard Sky box should be connected to a single output from the new Sky 4output LNB's, depending on if it sources 22kHz or not determines if it is sent D1 or D3.

For now if you want to distribute D1, just split the feed going to input 1 of the MySky, currently SkyNZ have no services on D3 and as I understand it there is no immediate plans to take any capacity up, what happens in 5yrs time is another thing.

Cyril

SumnerBoy

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#369134 18-Aug-2010 10:00

Cyril - I have heard some people say you should have 3 runs from the dish to the MySky decoder. Is this overkill or is there potentially a need for this at some point in the future? Or is a double run going to be sufficient?

cyril7

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#369180 18-Aug-2010 10:55

Having all 4 outputs available to the central cable point so any of them can be routed to whereever is a good idea, 2 is the mimum, then you need to split them to feed more than one STB, but if you have all 4 available then you can add upto 4 tuners with each having both orbital slots with no extra hardware.

That said 2 is the basic essential, you can add splitters as needed to as many tuners as you like, although a 22kHz switch would be needed for standard decoders to see D3, but thats a way down the wonted loose sleep on that one.

If you can get the extra feeds in with little hassle then worth doing.

Cyril

Ragnor

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#369346 18-Aug-2010 14:56

Slightly off topic but..

Structured cabling is great for geeky discerning users but most kiwi families with existing homes don't fit that category imo.

I don't see retro fitting structured cabling for the above families as realistic.

Much more likely they will be using wireless around the house, ie: tri-stream wireless N or WiGig when they come out in the next year or so.

It's something to think about as tri stream N and WiGig aren't that far away.

shrub

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#370001 19-Aug-2010 20:47

I am looking to do a full install and the prices on some of the stuff is insane PDL are charging $17 for keystones yet clipsal ones are only $5 even then when you need atleast 16 thats going to set you back $60. Are there cheaper places that the general public can go? I can get wholesale but its still no cheaper than online.
I have had a couple of quotes for all the parts ill need and its going to set me $500 min to do a 3 bedroom house with 2 runs network to each room, switches, patch pannel and rg6 to each room.

JimmyLizar

321 posts

Ultimate Geek

#370065 19-Aug-2010 23:14

$17!!! That is ridiculous.

Corys, JA Russell, Simpsons, Rexel etc should be better prices than that. Someone like Cyril will probably know the best place to get them.

Some internet prices:

PDL Cat6 RJ45

Dynamix Cat5e RJ45

Haven't been able to find PDL Cat5e RJ45 keystones on the internet anywhere.

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Ragnor

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#370080 19-Aug-2010 23:44

shrub: I am looking to do a full install and the prices on some of the stuff is insane PDL are charging $17 for keystones yet clipsal ones are only $5 even then when you need atleast 16 thats going to set you back $60. Are there cheaper places that the general public can go? I can get wholesale but its still no cheaper than online.
I have had a couple of quotes for all the parts ill need and its going to set me $500 min to do a 3 bedroom house with 2 runs network to each room, switches, patch pannel and rg6 to each room.

Yeah this was my point above... if it's going to cost you $500-1000 to retro fit cabling vs <$200 for a wireless N tri stream or WiGig router in a year or two, realistically how many "average kiwi" homes will bother with doing proper cabling.

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