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I just tried to get my new 20m Cat 7 cable to run, but I am only able to reach 100mbit.

I have already bought an expensive connector testing/DIY kit a few years ago. When I check the cable I can clearly see that all 8 pins get through (and at the right sequence) and it's even grounded.

I have checked it multiple times, the connector and the cable are both Cat 7, as well as the hardware. With another cable, it works without any problems. I wouldn't normally put this much effort in it, but the cable is already in my wall and was horribly hard to get there.

The cable is directly connected from the router to the computer, without any switches or other stuff between.

Do you guys have any ideas what the problem could be?

spikey_richie
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Vernox Vernax
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2 Answers2

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Seems like the connectors are the problem. I have re-cabled both ends at least 5 times, though. After I have lost my mind a little bit, I just put some random wall sockets on both ends, and this solved the issue. Dont ask me why. Thank you a lot for trying to help me!

EDIT: My cable has a solid core. Thats why it didn't work. I would have needed a stranded core for the connectors I used. Solved, thanks to dirkt.

Vernox Vernax
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[Copying comment as answer, in case anybody else runs into this and finds this question]

There are cables with solid core, and cables with stranded core. The former are meant for wall sockets, the latter are meant for patch cables with crimped ends. If you tried to crimp a cable with solid core, it's no surprise that it didn't work for 1Gbit; actually it's a surprise that it worked at all, and you got 100 Mbit. So look at your cable, and if it has a solid core, and if you tried to crimp that (both are not clear from your description), but if it worked with a wall socket, then you've found the reason.

dirkt
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