I need to connect 100Mbps Ethernet PHY signals from my main board to RJ45 connector on daughter board through an on board header like shown below.
Ethernet will be used only in the board bring up phase and later we will not use it much. In main board, we are approaching this method, due to size constraint.
RJ45 connector with magnetics will be given on the daughter board.
Can you suggest me some design guidelines in this kind of approach?
Is it better to provide magnetics on the main board?