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DP83849IF: Media Converter : Loopback of MII signals

Part Number: DP83849IF

Hi,

I am using DP83849 evaluation board from TI as a media converter board & I am not using MCU.

PORTA --> RJ45

PORTB --> Fiber Optic

I have made the below Jumper settings as mentioned in tidu510a.pdf. However, I am not sure if I need to connect the MII signals between PORTA & PORTB to implement the media conversion.

Do we really need to loopback MII signals( RXD[3:0] to TXD[3:0] ) or does the PHY make the connection internally?

Best Regards,

Yash