When using a gigabit ethernet PHY. Does it matter if one wires the magnetics with the "wrong" polarity like below ..? (reason being pcb routing, and the ethernet transformer isn't straightforward)
From this: To this:
RJ45 pin1 --- MX1+ ** TD1+ --- MDIA_P RJ45 pin1 --- MX1- ** TD1- --- MDIA_P RJ45 pin2 --- MX1- ** TD1- --- MDIA_N RJ45 pin2 --- MX1+ ** TD1+ --- MDIA_N
RJ45 pin3 --- MX2+ ** TD2+ --- MDIB_P RJ45 pin3 --- MX2- ** TD2- --- MDIB_P RJ45 pin6 --- MX2- ** TD2- --- MDIB_N RJ45 pin6 --- MX2+ ** TD2+ --- MDIB_N
RJ45 pin4 --- MX3+ ** TD3+ --- MDIC_P RJ45 pin4 --- MX3- ** TD3- --- MDIC_P RJ45 pin5 --- MX3- ** TD3- --- MDIC_N RJ45 pin5 --- MX3+ ** TD3+ --- MDIC_N
RJ45 pin7 --- MX4+ ** TD4+ --- MDID_P RJ45 pin7 --- MX4- ** TD4- --- MDID_P RJ45 pin8 --- MX4- ** TD4- --- MDID_N RJ45 pin8 --- MX4+ ** TD4+ --- MDID_N
Magnetics schematic: