No link detection on copper SFP
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Posted by on May 25, 2007, 5:58 pm
Please log in for more thread options Hi All, On the development platform I'm running into a problem where MAC doesn't detect Los of Signal (LOS) link status on copper SFP when both link partners are forced to 1000/Full (AN is off). In the SFP documentation it's mentioned that LOS signal is internally grounded in the SFP and the MAC should either watch incoming idles or check PHY registers. I would like to get an explanation why MAC doesn't detect the idles in this case. Does anyone has a clue? Thanks, Andrew | ||||||||||
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