A. Each center tap on the side connected to the PHY, must be isolated from one another and connected to ground via a decoupling capacitor (0.1μF recommended).
B. Discrete transformer is recommended for better EMC/EMI performance. Pulse Electronics part, HX5008NL is recommended for discrete magnetics.
C. Only Channels A&B are required for 100Mbps/10Mbps communication
D. R//C ground isolation circuit is recommended for EMI purposes. Please refer to DP83869 Schematic Checklist for recommended values