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Need some help

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First let me start by saying, electronics is not my field so please excuse my ignorance....

I'm needing to power a DC ethernet switch. I'm wanting to buy this power supply, however it does not have an ac port like I was expecting. How exactly do i connect the AC side of it since I cant just plug it into the wall. is there a better inverter that you guys know of where I could just plug it into the wall to go AC input to DC out?

Thanks for your help.

SP-500-48, Mean Well SP-500-48
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