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Help me to about corrupted cisco switch

hi all

There is a corrupted switch (SFE2000) in my company.

its all port not working and leds are don't flashing.

i checked all schematic within switch. Power supply and internal connection are all right.

But i don't know chips. i must to detect diagnosis. i need a help.

Do it possible: this problem based on internal chips or electricity's distortion.... 

if you have any idea, tell me please

Bazo

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