You already got great answers how it is defined and how it is supposed to work. Beside that, I know of environments where they run cables of about 130-140 meters and it works (but these were cables of very good quality and one connector in between). And this was a "let's test and hope for the best before we spend much more money" approach that could have failed. So, based on your needed length, you could just try it. But for length beyond that, I would not try it and directly go for the installer to get new fiber links.
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