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Garry ShapeFlag for United States of America

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SFP-SX supposed to work over MM OM3?

Between 2 building we have what I’m told is OM3 MM fiber cable.  However I can’t seem to get the switches connected via the Fiber patch panel.  
The HP switches have SFP ports and I’ve tried using SFP-SX modules but nothing.   Is this not supposed to work?
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Predrag Jovic
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It suppose to work if distance is < 500-550m, Rx and Tx are matching properly interfaces are not shut.

Device A Rx <=> Device B Tx
Device A Tx <=> Device B Rx

Try to swap Rx an Tx on one side.
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ASKER

Ok thank you. I am not familiar with swapping that. Does that mean separate and swap the cable like this photo?
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Yes, it may need to be done on one side.
ok thanks. because there is a Fiber patch panel on both side the building so would I might need to flip cables on both sides?
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Predrag Jovic
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Amazing! Worked!
You're welcome.