Network transformer topology

Can you help provide the network transformer topology of JETSON NANO DEVELOPER KIT?
The price of THE RJ45 connector is expensive, and the customer needs the network transformer topology for reference

Any Suggestions would be helpful. Thank you


The Jetson nano module have a Realtek PCIE to Ethernet RTL8119I-CG Gigabit Ethernet controller, Please contact Realtek for the guidelines on carrier board for transformer and RJ45 implement.
The below is about the implement on carrier board.