Electric meter and RJ45 cables

Question

Hello and thank you in advance for your help,  I am moving into a (new) house with RJ45 sockets in every room. I want to connect my fiber box to all these sockets. The previous occupant did not place the fiber box near the electrical meter but in the living room. So, I bought a switch in order to bring the connection from the living room to the meter, and I will place my switch near the meter to connect all the sockets. My concern is that I notice I don't see any RJ45 cables at the meter (see photos). What do you think? Can my idea still work? Thank you for your help

jeannets · Answer

Hello,  This topic has been discussed ad nauseam on this site, mainly by Brupala who has shared all his literature as a connoisseur of the subject... It's just a matter of reviewing the information..  Your predecessor probably had his reasons for placing the BOX in the middle of the house... likely for better WiFi signal distribution... It's also important to know that the home's network is not fiber, it's wired with copper... The fiber optic comes to the foot of the house and then it's copper.  Your predecessor wired it his way and it seems that there are only 6 conductors per connection... it can work, but only at 100 meg, not 1000 meg, which requires eight conductors.  Your switch at the electrical panel seems logical, but to connect everything, you will need to change.. Adapt the existing wiring with "jumpers" with RJ45 connectors... RJ45 jumpers are also needed from your wall socket to the PC or TV in the rooms...  To operate at 1000 meg, you would need to replace all this wiring in the conduits with shielded cat 6 cables with eight conductors... just like on the RJ45 sockets.

Gege49_7970 · Answer

Hello and thank you for your response. To be precise, I actually don't see how to add RJ45 connectors to my meter; I can't find any "hole" where I could insert an RJ45 cable. There are just some cut wires sticking out. What should I do to make the connection? Thanks again.

jeannets · Answer

OK, I must say that the photos are neither clear nor bright, only your indication of "Cut wires" guided me, and I can see the cut wires at 3-6 and 5-4; certainly, this was a quicker method for dismantling... if you want to keep this installation, you will need to find terminals that allow tapping... but first, we need to be sure that this is indeed an internet cable and not a fixed multi-line telephone to every room; because that also existed, depending on the date of installation, that would be a good clue... We should open one of the wall sockets that arrive in room 1 for example, and see how it is connected inside..?? and how many wires there are..??  In any case, with an installation like this, the quality and speed of the internet will inevitably be diminished and irregular, and it will be subject to interference and will not support current speeds without suffering or producing defects that are difficult to explain..  I encourage you to trace the path of the conduits with a view to running new rigid 8-conductor cables from the wall socket to your electrical box... https://www.legrand.fr/guides/tout-savoir-sur-la-prise-rj45  At the electrical box, there needs to be a patch panel that receives all the cables coming from the rooms in the house on one side and all the flexible RJ45 connections going to your Switch on the other side. https://reseau-vdi.fr/panneau-de-brassage-connecteurs-rj45-femelles-pourquoi/  Here is some reading on the subject https://reseau-vdi.fr/cablage-rj45/  There you go, there's already plenty to ponder...

brupala · Answer

Hello, indeed we have many discussions on this forum that deal with this topic. The photos are a bit unclear, but it seems that the 4 pairs are connected on the patch panel side. To see the patch panel sockets, you need to remove the entire cover of the cabinet, not just that little top cover. If the fiber comes into the living room, it's indeed better to leave the box there and put a switch at the patch panel.   -- and ... Voilà Voilà Voilà !

Gege49_7970 · Answer

Thank you for all this advice; as soon as I move in, I will try all of that.

Gege49_7970 · Answer

Hello, A little feedback following my move, here are some much clearer photos    There are already RJ45 cables, so in theory, I just need to connect my switch. I should note that the box (in the living room) works well and I have connected my box to a wall RJ45 socket to reinject the bandwidth to the box.  However, there is no bandwidth in the wall sockets of the bedrooms.  When looking closely at the photo, where it says "living room" (the far left), there simply isn't a bundle of 6 wires coming in... so I think that the bandwidth isn’t reaching the box because of this.  I suspect that the wires from the living room are the ones arriving at the DTI box. So my idea (but I might be completely wrong) would be to remove these wires from the DTI box and route them to the first circle "living room" (the far left). I tried connecting my switch to the DTI box but that doesn't work either. What do you think? Thank you very much in advance.

jee pee · Answer

Hello,  Yes, there are wires in the DTI, the pink/blue ones, and this concerns not only the living room but also other sockets (all?).  Because an Ethernet cable has 4 pairs/8 wires, not 6 wires.  All the blue/pink wires marked Output from the DTI need to be removed.  And the wiring of the 5 patch sockets needs to be completely redone. In fact, the white sheath should reach all the way to the connector block. We should hardly see the colored wires; they are excessively stripped there. There are several types of sockets, but here is the principle: https://www.youtube.com/watch?v=fsurHpUmMbI&ucbcb=1  And since we are on a PTT298 cable, we cannot use the color code of the sockets; we then need to perform the wiring of the sockets (patch and wall) by following the color/number correspondence.   We will also need to look into the wiring of the wall sockets, which may not be complete either.

brupala · Answer

Hi, also, the 4 little cords? weren't they the ones between the telephone distribution point and the patch panel? There’s a chance, but it’s to be verified, that they only work for the telephone and not for the ethernet network. So let’s try others. PS, oh yes, looking more closely, the living room socket was cut haphazardly, it seems a vandal has been through there, I have the impression that only 3 pairs are reaching the patch panel and one to the DTI for each cable... Shameful.

Gege49_7970 · Answer

Okay, thanks for your answers. Well, since I'm not a pro, I feel like I might make mistakes if I do it myself. Any electrician can do that? Or maybe an Orange fiber technician could do it too?

Electric meter and RJ45 cables

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