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Downstream protection - types A and D

Created: Sep 11, 2021 11:11:39Latest reply: Sep 11, 2021 11:52:41 201 2 0 0 0

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Can somebody explain to me type A and type D protection for downstream?
I know only from training material for the exam. Is solution A only for the backbone part of the network?
And requires manual. Why is hybrid solution D not applied?

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Downstream protection - types A and D

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Downstream protection - types A and D

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