Antenna TV and RJ45

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jguillaum887 Posted messages 7 Status Membre -  
jeannets Posted messages 28325 Registration date   Status Contributeur Last intervention   -
Hello everyone,
I just moved into a new apartment that I own. All the rooms have RJ45 sockets, but my television can't find the terrestrial channels when I use an RJ45 to coaxial cable.
I should mention that I don't have internet access (only fiber, and Orange is slow to connect us), so I don't have a TV decoder.
Thank you to anyone who can help me.

10 réponses

glandu Posted messages 25496 Registration date   Status Contributeur Last intervention   4 086
 
Hello, I'm opening the conversation. You have sent your message, is it from your PC?

--
"Donkeys change their minds, not fools."
Remember to mark your message as "resolved" if that is the case.
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jeannets Posted messages 28325 Registration date   Status Contributeur Last intervention   Ambassadeur 6 595
 
Hello,

It doesn't work like that.

The terrestrial channels come through the air, are captured by an antenna (on the roof), go down a coaxial cable that connects directly to the coax input of the TV... It's included in the housing tax. With that, you receive all the TNT programs
Canal + is also possible by paying

-- The RJ45 sockets are network/internet connections, coming from the BOX... they can also allow television (non-terrestrial) as long as you have the TV decoder which is then connected to the TV via the HDMI input... You need to pay a subscription... keep an eye on the RJ45 sockets... they are not always connected via ethernet with 4 pairs of wires (see the electrician)

Here's the summary of the situation... all you have to do now is scan to find the available channels.
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jguillaum887 Posted messages 7 Status Membre
 
I don't have any antenna sockets on the walls, only RJ45 sockets. In my electrical panel, I have an antenna/coaxial cable arriving and going through a switch with an RJ45 output to go to the patch panel.
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jeannets Posted messages 28325 Registration date   Status Contributeur Last intervention   Ambassadeur 6 595
 
OK, but I explained to you what it takes for it to work..

Are you in a house or in a building...? You say apartment, so it's a building.

The RJ45 will never be a solution to connect an antenna to a TV..

Generally in houses, these two types of cables coexist in the technical shafts, but they never meet... and for you, it's in the hallway, in the technical shaft, that this coax comes in, it must come from the roof...?
Take a good look, there should be coaxial cable running through the walls..

I think you should buy a length of coax cable to your TV (running on the floor) at least to see if it works in rough, you can tidy it up later... if it works.

I would like to see a photo of "Antenna/coaxial cable arriving and passing through a switch with RJ45 output"
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jguillaum887 Posted messages 7 Status Membre
 
Thank you for taking the time to respond to me.
So I live in an apartment and I was talking about the electrical box that is inside my unit.
Indeed, the cable that is lying around the apartment can be a "lifesaver" for now.
I have attached photos of the connection and what I have in terms of outlets in the bedroom as an example.
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baladur13 Posted messages 47543 Registration date   Status Modérateur Last intervention   14 371
 
Hello,
This is about the Balun wiring
I see two patch panels marked SEJ1 and SEJ2; the Balun cable is connected to SEJ2
The television is also connected, with a Balun cable, to the SEJ2 socket?
If it doesn't work, we need to suspect a wiring fault in the RJ45 sockets, either at the patch panel or the other end.
And this assumes that we have properly wired the 8 wires of the cable between the patch panel and the rooms of the apartment.

--
It’s very difficult to catch a black cat in a dark room.
Especially when it’s not there...
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jeannets Posted messages 28325 Registration date   Status Contributeur Last intervention   Ambassadeur 6 595
 
Thank you @baladur13, I'm discovering this type of adaptation... I would become less ignorant.

@jguillaume, if I were in your place, I would put a temporary coax cable between the coax outlet of the TV and the left coax outlet of the small splitter, where the balun is connected... To check if it works...

I'm not even talking about a rescue solution, no, just to test...

But hey, it's up to you, you can test it or not.
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jguillaum887 Posted messages 7 Status Membre
 
Thank you baladur13 for the information, I have already tried the two hotel stays just in case but without success. Jeannets indeed I will also try with a coaxial cable to check that at least I have a signal and afterwards I will check the balun cables.
Thank you both for responding to me ????
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dhyd Posted messages 752 Registration date   Status Membre Last intervention   90
 
Hello.
Since the TV signal is injected into the electrical panel through an RJ45 socket using a Balun cable, another Balun/IEC cable is needed to retrieve this TV signal from the RJ45 wall socket behind the television and connect it to the TV's antenna socket.
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jeannets Posted messages 28325 Registration date   Status Contributeur Last intervention   Ambassadeur 6 595
 
Yes, that's right, you need one of the two ends.
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jguillaum887 Posted messages 7 Status Membre
 
Thank you all for your answers, the problem is solved. I was using a cable provided by my provider until now; I bought another one and it works fine.
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baladur13 Posted messages 47543 Registration date   Status Modérateur Last intervention   14 371
 
Super...
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jeannets Posted messages 28325 Registration date   Status Contributeur Last intervention   Ambassadeur 6 595
 
Thank you for your feedback. And good for you.
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