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I am trying to determine what the labeling on the back of one of our Cisco 3850 switches means.

We are seeing 12-6A on the back of the power supply, and I've pinned it down to be the Input Current based on Cisco documentation.

I cannot determine what the 12 stands for. Does anyone have more insight on this?

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It's a universal PSU - 12 A is for ca. 120 V and 6 A for 230 V AC.

Note that this isn't what's pulled all the time, it's the peak current on startup, peak load etc.

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  • Thank you, that makes perfect sense now. I'll vote this as the answer when it allows me! – Duffman Dec 28 '17 at 15:46

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