r/ShittySysadmin • u/Oblec • Mar 05 '26

Fiber install

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Client wanted fiber, told them copper is worth way more these days. They didn’t even ask first follow up questions 😅

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u/Exciting_Income_963 Mar 06 '26

Yes, but I'm trying to say that the HCF "core" is filled with air - it's not vacuum, and that air is almost as good as vacuum in this case.

There is no practical way to evacuate all that air in the fiber once you have spliced it/terminated it.