TMS320F28388D: About F28388 EtherCAT status display error problem

Excuse me, F28388+KSZ8081 implements EtherCAT and can communicate normally. As shown in the figure, it is in the OP state, but the TwinCAT interface shows that the state of port 0 shows that it is not connected. Why?

Yale Li：

Hi, I will reply to you after consulting with senior engineer.

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fengyun wuji：

The problem has been solved, thank you

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Yale Li：

Glad your issue was resolved. Could you please share the experience with us to help other engineer?

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fengyun wuji：

Ok, it's because of a problem with the wiring on the hardware.

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Yale Li：

Thanks!