I currently have a FritzBox 5490 that is connected directly via fibre to the OTO socket (1 GBit). From the FritzBox, the RJ-45 cable goes into a "Casacom P4PP-001 POF Panel Converter 4-Port" to translate the copper line to fibre. The problem is that the converter can only handle 100 MBit and I would now like to upgrade to 1 GBit.
Would that work with this converter? What else do I need? For example, I can't connect the fibre optic cables directly to the converter like I can with my current converter.

Question

I currently have a FritzBox 5490 that is connected directly via fibre to the OTO socket (1 GBit). From the FritzBox, the RJ-45 cable goes into a "Casacom P4PP-001 POF Panel Converter 4-Port" to translate the copper line to fibre. The problem is that the converter can only handle 100 MBit and I would now like to upgrade to 1 GBit.
Would that work with this converter? What else do I need? For example, I can't connect the fibre optic cables directly to the converter like I can with my current converter.

Answer

Unfortunately, you are mixing two different transmission media. You seem to have POF lines, which are not optical fibres. The technology of transmitting data via light in a conductor is the same. But the material in the cable over which the light is transported is different.

Glass fibre (LWL) = optical fibre made of glass
POF (polymer optical fibre) = optical fibre made of plastic https://de.wikipedia.org/wiki/Polymere_optische_Faser

So for your POF cables you must also use the corresponding POF material. Anything intended for glass fibre will not work. And since POF has never really become widespread, the choice is very limited.

https://www.digitec.ch/de/search?q=POF

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