This was in my Cisco training. Unidirectional line break.
No. I don't speak Japanese. Or whatever that is.
this post was submitted on 12 Feb 2026
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iiiiiiitttttttttttt
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you know the computer thing is it plugged in?
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Fiber is unidirectional. The long run shit has two cables, for up and down. The graphic was supposed to show one of those two cables being cut. (I don't think it shows that very well.)
Oh, I didn't realize you were quoting the original caption