Purpose of differential voltage provision for Zynq in SOM - ADRV2CRR-FMC case


I found dufferential voltage provision for Zynq in SOM - ADRV2CRR-FMC case.

Could you teach me what purpose is these provision?

In another word, should these be aplied for original system/board which uses SOM?

ADRV2CRR-FMC P12-C4/5: 3V3_SNS_N/P -> SOM Zynq IO_L1N_AD15N/P_89

ADRV2CRR-FMC P12-C6/7: VDDA3P8_SNS_N/P -> SOM Zynq IO_L2N_AD14N/P_89

ADRV2CRR-FMC P12-C8/9: 5V0_SNS_N/P -> SOM Zynq IO_L3N_AD13N/P_89

ADRV2CRR-FMC P12-C10/11: VADJ_SNS_N/P -> SOM Zynq IO_L4N_AD12N/P_89

Best Regards,