Type B protection provides redundant protection for both OLT PON ports and backbone fibers when OLT or OLT PON If the port or trunk fiber fails, manually switch to another -- luguang.
I remember practicing a question similar to this, and it was about how Type B protection works. I think it’s true, but I could be mixing it up with Type A.
Hmm, the wording on this question is a bit tricky. I'm going to re-read it carefully and think through the logic step-by-step to make sure I get the right answer.
Wait, I'm a bit confused. Does Type B protection happen automatically, or do we have to manually switch? I want to make sure I have the right understanding before answering.
Okay, I think I understand the general concept here. If there's a failure, we manually switch to another port or fiber, right? Let me double-check the specifics.
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