This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS2378: how to use for dual port

Part Number: TPS2378

Hi team

The circuit has dual ports for POE+.
They don't work as POE+ for output side, when they connected RTN to common GND.

Is it necessary to connect GND separately as a connection method for Dual port?

Best regards.
Hayashi0488.PoE.pdf