24 rooms sat installation

**mariust5** · 18-07-2009

Hi everybody , i'm planning a 24 room installation in a home . I was thinking of getting a Antiference ams724t multiswitch 24 out or triax tmp 8x32 , put a 60cm dish up with a quad or quatro to feed the shitch in the loft and than one cable to each room nice and tidy . The building is over 3 floors in the south east .
I was thinking , to cut costs to feed each room with cable without a wall plate or should i put a irs triplate . I'm just worried there will be a signal loss with the plate on .
Also i know the switch has to be plugged in at all times and also earthed , just wondering how i'm going to do that in the loft .
Any ideas , advice welcome . Thanks in advance .

**gerryl** · 18-07-2009

4 X CT100 satellite cables from Quattro (Not Quad!) LNB to mulitswitch

Quattro 4 output LNB signal split into the 4 wavebands.

1 X High Band Vertical
1 X High Band Horizontal
1 X Low Band Vertical
1 X Low Band Horizontal

Not to be confused with the Quad 4 out LNB’s...

**HB13DISH** · 18-07-2009

May I ask why 60cm dish?
For all whether condition reliability, I would put the best and biggest size allowable.
The difference in price between 90/80cm and a 60cm dish can't be that much and is certainly worth considering.

***Tivù*** · 18-07-2009

Only a single feed per room?

How many times do we hear complaints of insufficient feeds in these days of PVRs?

**satelliteman** · 18-07-2009

Is this a domestic or commercial job?

If your not feeding UHF into the switch, you could leave out the triplex plates but fitting them would definitely make a professional job of it.

A power source would be required in the loft/switch location for powering the equipment. There are receiver powered switches but a/ there would a definite loss on UHF and b/ the losses on IF would be noticeable as using two or three cascade switches in order to get the 24 outputs. Also consider doubling up the feeds to 48, there is a manufacture that supply a single 48 o/p mains powered switch.

The correct way for earth bonding is to run a 4mm2 copper earth cable down to the MET mains earth terminal.

As said, 80cm for multi-switch systems would be better.

**mariust5** · 18-07-2009

Originally Posted by gerryl

4 X CT100 satellite cables from Quattro (Not Quad!) LNB to mulitswitch

Quattro 4 output LNB signal split into the 4 wavebands.

1 X High Band Vertical
1 X High Band Horizontal
1 X Low Band Vertical
1 X Low Band Horizontal

Not to be confused with the Quad 4 out LNB’s...

Point taken , i understand some switches use quads as well as quattros . I do know the difference . Thanks .

**mariust5** · 18-07-2009

Originally Posted by HB13DISH

May I ask why 60cm dish?
For all whether condition reliability, I would put the best and biggest size allowable.
The difference in price between 90/80cm and a 60cm dish can't be that much and is certainly worth considering.

Ok , i will put 80 , just thought 60 would be enough . Thank you .

**mariust5** · 18-07-2009

Originally Posted by Tivù

Only a single feed per room?

How many times do we hear complaints of insufficient feeds in these days of PVRs?

Only a single feed as dual would increase the price considerably , the manager is only interested to give residents a digital feed and spend as little as possible .

***Tivù*** · 18-07-2009

Originally Posted by mariust5

Only a single feed as dual would increase the price considerably , the manager is only interested to give residents a digital feed and spend as little as possible .

Of course - isn't money always critical!

I hope he doesn't come to regret it

**mariust5** · 18-07-2009

Originally Posted by satelliteman

Is this a domestic or commercial job?

If your not feeding UHF into the switch, you could leave out the triplex plates but fitting them would definitely make a professional job of it.

A power source would be required in the loft/switch location for powering the equipment. There are receiver powered switches but a/ there would a definite loss on UHF and b/ the losses on IF would be noticeable as using two or three cascade switches in order to get the 24 outputs. Also consider doubling up the feeds to 48, there is a manufacture that supply a single 48 o/p mains powered switch.

The correct way for earth bonding is to run a 4mm2 copper earth cable down to the MET mains earth terminal.

As said, 80cm for multi-switch systems would be better.

The job is for this care home that i installed a freesat from sky couple of years back for the lounge where they got a new LCD and had nothing to watch and an extra room . The manager now wants every resident to have the option in their room .
Triplex it is than . I would get a mains powered switch . Any links for the 48 out please ? And how would i locate the MET ? Thanks a lot .

**HB13DISH** · 18-07-2009

Originally Posted by mariust5

Only a single feed as dual would increase the price considerably , the manager is only interested to give residents a digital feed and spend as little as possible .

Does this mean each resident would be responsible for his own equipment (receiver, TV, etc.)
He might be able to make a good deal on a quantity purchase for popular brands and offer it to the residents (or those who don't have them) and add a handling fee percentage that might get him back his investment.
Or maybe you can do this yourself?
Sorry I went off topic.

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24 rooms sat installation This section is for discussion on domestic multi-receiver systems for distribution of both terrestrial and satellite signals. Multiswitch, diplexer, triplexer, earct bonding, smart Priority switch, signal splitter, SCART doubler, video sender, remote extender, etc.

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