B try change J1000, J1100, J1200 on top layer, if did not help, board unrepairable
2. SFP+1 or SFP+2 does not work
52
B try change U2000 on top layer, if did not help, go to next bullet
B try change X2300 on top layer, if did not help, go to next bullet
B try change U2300 on top layer, if did not help, go to next bullet
Problems with ether ports 19
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