The DP83869 has four differential
pairs to send data:
- TD_P_A | TD_M_A
- TD_P_B | TD_M_B
- TD_P_C | TD_M_C
- TD_P_D | TD_M_D
In OpMode: 000, RGMII to Copper, probing a channel allows you to see the link
pulse which confirms the PHY is on and is attempting to link.
Figure 2-6 100
Ohm Terminated Cable for MDI Signal Measurement
Figure 2-7 Connection Diagram for 1000M Terminated Cable