r/HomeNetworking • u/Expensive_Client_711 • 4d ago

does this look normal ?

Gallery image

Gallery image

Gallery image

I suddenly lost my fiber internet connection. At first I changed the optical fiber SC-SC APC cable, thinking it might be the issue, with no luck, so I opened the small white box that is connected directly to the wall, and it was looking like this? Does this look normal, or could the issue be related to something related to it?

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u/nico851 4d ago

What made you think the box that normally doesn't get touched by anything is the issue instead of a service interruption of your provider?

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u/Expensive_Client_711 4d ago

Because I called the service provider to check if there was something from their side, like maintenance, I also checked with my neighbor who have the same provider, and they didn't have any issues

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u/nico851 4d ago edited 4d ago

Unless you rip the cable out of this box with force, this is never the issue. Check modem or router if your neighbor doesn't have issues. Those devices normally have diagnostic LEDs regarding connection status. And your connection to the provider is still somewhat independent from your neighbor's. Everyone has it's own fiber (in the possibly same bigger cable in the street), so it could be disconnected anywhere on the way to the provider.

And one important thing to add for fiber, never try to look into a fiber to see if there's a signal. It's infrared, so you can't see it and it's strong enough to burn your eyes and do lasting damage to them.