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Mavell PHY 88E1112 link detection failure

Question asked by brahmam yelagaturi on Jan 27, 2015
Latest reply on Jan 31, 2015 by brahmam yelagaturi



We are using Mavell PHY 88E1112 in P1021 Customized board. 88E1112 has two shared interface, one is using to connect Copper and another one to connect SFP. Both interface are connecting to MAC via SGMII port. Copper interface and  SFP interface is failed to detect any link on fiber or copper SFP module. But we are able read and write the PHY registers via MDC.MDIO bus.

Can any one share details about How to establish the PHY link and how to debug if link not succeeded .