I would like to check that the following solution will not create any problems with Jetson Orin Nano Developer Kit Carrier Board. I will provide passive power over Ethernet at 19V DC on all pairs: 1,2,4,5 (V+) 3,6,7,8 (V-) to RJ45 connector. So pairs A and C are +19V DC and pairs B and D are GND. Not sure how J19 maps to pairs A, B, C and D. Is it A → POE_VC1, B → POE_VC2, etc.? If so, I would connect pins 1 and 3 of J19 to pin 1 of J18 and pins 2 and 4 of J19 to pin 2 of J18. This would power the board with 19V DC. Do you see any issues with it? It would help to have a schematic.
Hi, please refer to the P3768_A04 schematic ( Jetson Orin Nano Developer Kit Carrier Board Reference Design Files) for the mapping as below.
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