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So my telephone cable from the demarcation point to my apartment is broken and there's no way to get a proper technician to fix it in the next few weeks. So I tried to do it myself, but the router keeps blinking, indicating that the connection isn't functional.

I made some pics from my phone to illustrate what I did. In this first picture, there is a little Telecom box which the Telecom technician connected. This is right at the demarcation point. Instead of plugging the telephone cable in there, I cut the wires and connected them to a telephone cable. This can be seen in the background. Its a 2x2 telephone cable, but I only connected the white and red cables. The second picture shows what I did at the other end, in my appartment. cable then goes straight into the router, but without any effect. Does anyone have an idea how to proceed? Would it make sense to get a Multimeter to detect it there are some voltages measurable, or is that doubtful even it it works? Any advice is appreciated. enter image description here

  • "So I tried to do it myself", don't. – Harry Svensson Nov 11 at 21:27
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    :) we'll, living without an internet connection is not really an option these days, especially if you need it for work. Technicians I reached offered appointments for 2020 .... Is there a particular reason why this is a bad idea? – cheesus Nov 11 at 21:32
  • does it go thru a high pass filter? Time to make friends with neighbours and use guest wifi – Tony Stewart Sunnyskyguy EE75 Nov 11 at 21:38
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    Is there any reason to believe the trouble is in the underground section? If it is above ground it can simply be spliced. – Harper - Reinstate Monica Nov 11 at 22:10
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    You might try reversing the wire connections. (Are you sure of the orientation of the original connections?) The best repair would be to open up the customer side of the central junction box and directly connect a pre-wired RJ45 wire assembly to the matching socket, then connect that directly to your modem. With the existing repair does your phone work correctly? If you have a filter module it should only go on the line branches going to the phone connections. – Nedd Nov 11 at 22:12
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Step 1: Bring your router to the demarc point and verify that it works there. You did not mention if you had done this, but if not, you should, as the whole point of a demarc is to say: "If it does not work here the provider needs to fix it. If it does work here the problem is in your wiring." So you need to test that.

THEN you can start to concern yourself with the wiring onward from that point. Which appears to bear no resemblance to the North American standards I'm familiar with...

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