The LT4321 data sheet P7 has the following description regarding bypass capacitors.
・ It should be 0.12uF or less according to the provisions of IEEE802.3.
・ Share 0.1uF or place 0.047uF near each IC.
Due to the delivery time, it was difficult to prepare a 0.047uF capacitor, so I placed a 0.1uF capacitor on the LT4321 side and a 0.01uF capacitor on the PD side.
The PoE connection was successful and I was able to apply a load of 52W.
If it is 0.12uF or less, is there any problem with the combination of 0.1uF and 0.01uF?
I would be grateful if you could reply.