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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Powerlink over utp/stp?

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lovesickpegasus
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lovesickpegasus Posted: Tue, Nov 16 2021 9:40 AM

Hi!

I am currently trying to design a wiring diagram for my future living room and would like to know if there would be any problems running my surrounds from the processor to a patch panel in the basement and back up to the speakers? Since everything all my lan links go through a central location this would make it much neater than running a separate cable from the tv to the speakers. The cabling would all be cat7 stp.

Johan
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Johan replied on Tue, Nov 16 2021 9:55 AM

Hello and welcome!

That is possible. try and find the BeoLink handbook (google EN-BeoLink-handbook-v1-9). In there you will find all details on wiring for PL. Just be aware that you will make long stretches of wiring with an analog signal. Using a patch panel is fine (don't use a switch!), but make direct contacts only / separate the PL network from your LAN network.

Good luck, let us know your progress!

Johan

lovesickpegasus
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//

lovesickpegasus
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Hi Johan, thanks for the reply. I'll take a look at the handbook, it looks to go very in depth. I was not sure if the powerlink is analogue or not, and in this case I can see this could be problematic - I'm assuming the direct connection from the harmony to the speakers would still be preferred in this case? I'm pretty sure I'll try to connect as much through WiSa as possible, but would like to have a wired backup option just in case.

swestland
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swestland replied on Tue, Nov 16 2021 11:45 AM

lovesickpegasus:

Hi Johan, thanks for the reply. I'll take a look at the handbook, it looks to go very in depth. I was not sure if the powerlink is analogue or not, and in this case I can see this could be problematic - I'm assuming the direct connection from the harmony to the speakers would still be preferred in this case? I'm pretty sure I'll try to connect as much through WiSa as possible, but would like to have a wired backup option just in case.

I would definitely do it the other way around, use wisa as backup and wired as main connection. Especially if you are able to do it right from the beginning start with wired as this gives always the most robust connection in the long rung. Wisa can give many interference problems with other wifi networks, even if it's just your own network. 

- Beovision Eclipse 55 Mk2 - Beolab 19 - Beosound Shape - Oppo UDP-203

lovesickpegasus
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Alright, that makes sense. I'll see if I can somehow fit a tube for a pl cable from where the TV will be to the surround speakers. Thanks for your advice!

david656
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david656 replied on Tue, Nov 16 2021 2:14 PM

I recently Cat7a networked my house (floor up job). in the living room I ran Cat7a from the speakers directly to wall outlets behind the TV. look up 'euro modules' and you can make it quite neat.

I used Excel Cat7a, Excel Cat6a keystones, and euro module plates/keystone sockets. I can show you pictures if it helps

Bristol based B&O fan with a collection including the following: BC9500, Beogram 9500, Beosystem 3, BeoVision Avant DVD 32, AV9000, Beolab 3500, Beolab 3000s, Beolab 4s, Beolab 6000s, Beovox Pentas, Beovox 3000s.

lovesickpegasus
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The perfect solution in my mind would be to just connect everything to my technical room and go through the patch panel for the powerlink, but that would mean about 15 meters of combined stp cabling per speaker at least. I still don't quite understand why there's an analogue only option when it comes to wired connections if the speakers have their own dacs anyway.

Johan
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Johan replied on Tue, Nov 16 2021 5:12 PM

lovesickpegasus:

Alright, that makes sense. I'll see if I can somehow fit a tube for a pl cable from where the TV will be to the surround speakers. Thanks for your advice!

This is what I do. Note that 1 PL cable carries two audio signals. In my 5.1 setup, I use one cable to feed the two Left speakers, and another one to feed the two Right speakers. The tubes in the wall have three outlets (RJ45): one behind the TV, one at the front of the room and one at the rear. This both Left and Right of course. This way you can limit the amount of cables. When you go 7.1, you need an extra tube and cable.

Johan
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Johan replied on Tue, Nov 16 2021 5:12 PM

sorry double post

lovesickpegasus
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So If I understand correctly you daisy chain your front left and rear left speaker, and front right and rear right? I didn't know this is an option. I'm assuming this works with mismatched speaker (beolab 28 mains, 18 rears) as well?

Johan
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Johan replied on Tue, Nov 16 2021 7:26 PM

Yes, correct, when you set one of the daisychained speakers to 'L', and the other to 'R', you can, in the menu of the TV, assign the appropriate roles to them. The type of speaker does not matter. It is only about the speakers picking up the audio signal from one of the two assigned wires in the PL cable. This is also why quite some B&O speakers have two PL sockets - for daisychaining. In your case the chaining could be done inside the RJ45 wall outlet.

Note that it is even a bit neater to use one cable for the front speakers, and another one for the rears. In that case, when listening to a stereo source, only the front speakers will turn on (and the rear speakers will stay off). When you still need to install the tubings in the walls, this could also be an option (requires a bit more cable). The reason is that there is only one 'speaker on' wire in a PL cable that switches all daisychained speakers on when activated by the TV. 

Hope this helps,

Johan

lovesickpegasus
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Thanks Johan, that helps a lot!

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