Dell PowerFlex R750 Owner's Manual page 36

Figure 38. 24 x 2.5-inch NVMe switch
Table 28. 24 x 2.5-inch NVMe switch with
From
SIG_PWR_1 (system board power connector)
SIG_PWR_1 (system board power connector)
SL3_CPU1_PB2 (signal connector on system board)
SL4_CPU1_PA2 (signal connector on system board)
SL1_CPU2_PB1 (signal connector on system board)
SL2_CPU2_PA1 (signal connector on system board)
36 Component installation guidelines
To
BP_PWR_1 (backplane power connector)
BP_PWR_2 (backplane power connector)
DST_PB2 (backplane switch signal connector)
DST_PA2 (backplane switch signal connector)
DST_PB1 (backplane switch signal connector)
DST_PA1 (backplane switch signal connector)