32i RAID/HBA adapter
Front backplanes: 24 x 2.5-inch SAS/SATA
The following shows the cable connections for the 24 x 2.5-inch SAS/SATA configuration with one 32i RAID/ 
HBA adapter.
From To
Backplane 1: SAS 32i RAID adapter on PCIe slot 2: C0
Backplane 2: SAS 32i RAID adapter on PCIe slot 2: C1
Backplane 3: SAS 32i RAID adapter on PCIe slot 2: C2
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n
Figure 43. Cable routing for the 24 x 2.5-inch SAS/SATA configuration with one 32i RAID/HBA adapter
Chapter 3. Internal cable routing 99