I’m designing my own Jetson NANO based carrier board.
I would expand Ethernet ports by connecting Gbit interface to Gbit switch (KSZ9477S) that utilize voltage-mode transmit drivers and on-chip terminations. Will I need any bus termination between Jetson NANO and the switch(both are on the same PCB), such as 50Ohm resistors, coupling capacitors or transformers?
What happens if I connect 10/100 Mbit switch (with voltage-mode drivers) using only two signals pairs GBE_MDI0_x and GBE_MDI1_x. Will I need to configure Jetson to work in 10/100 mode or it would negotiate and adjusted to 10/100Mbit interface?