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08-11-2009, 10:36 PM
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#1
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Junior Member
Join Date: Aug 2009
Location: Kansas
Posts: 2
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Need help w/ AC to DC Mean Well Power Supply
I am needing to set this up but I am not sure how to go about it.
http://www.trcelectronics.com/Meanwell/sp-500-48.shtml
Can anyone help me get this setup.
This needs to be pluged in to a standard AC 110v outlet, the output is going to an electronic equipment.
I'm just not really sure how to cable it.
For the input I cut the end off of a regular computer cable w/ the black green and white insulated cables, I'm not quite sure where to go from here.
Sorry if i sound like a complete idiot, I have just never done this before.
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08-11-2009, 10:39 PM
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#2
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 5,846
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What you want to do needs to be done with a UL listed assembly. It's not as easy as slapping a cord on that power supply. You can find 48vdc power supplies that already have power cords from telephone suppliers. Valcom, maybe, comes to mind.
__________________
-Marc, ABC, XYZ, PhD, 1-2-3
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08-11-2009, 10:42 PM
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#3
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 5,846
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Here's a 2 amp one, so we're on the right track... http://www.valcom.com/techsupport/po..._ts/vp2048.htm
Xantrex and Sorenson would be a couple more places.
__________________
-Marc, ABC, XYZ, PhD, 1-2-3
-Someday, I'll wear pajamas in the day time.
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08-11-2009, 10:55 PM
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#4
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 5,846
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What are you doing with it, by the way? 48vdc is being used a lot lately in the larger power supply sizes for bigger POE installations, like multiple cameras or multiple AP's in a large building. There are some really slick multi-point POE injectors on the market now that solve that issue in one neat box.
__________________
-Marc, ABC, XYZ, PhD, 1-2-3
-Someday, I'll wear pajamas in the day time.
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08-12-2009, 07:50 PM
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#5
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Junior Member
Join Date: Aug 2009
Location: Kansas
Posts: 2
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This is just a quick setup for a ethernet switch. I just want to bring it up and make sure it's up to par before deploying it. The final location will have DC power this is just a temp thing.
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08-12-2009, 09:19 PM
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#6
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 5,846
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Well then, you sure don't need 10 amps, do you? Get a proper POE injector and quit fussing over some DIY arrangement.
__________________
-Marc, ABC, XYZ, PhD, 1-2-3
-Someday, I'll wear pajamas in the day time.
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