CFF expander + 8i/16i RAID/HBA adapter

The following shows the cable connections for the front 24 x 2.5-inch SAS/SATA + rear 4 x 2.5-inch SAS/SATA configuration with one CFF expander and one 8i/16i RAID/HBA adapter.

Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n

Figure 1. Front backplane cable routing		Figure 2. Rear backplane cable routing
From	To	From	To
1 Backplane 1: SAS	1 CFF expander: C0	1 Backplane 4: SAS	1 CFF expander: C3
2 Backplane 2: SAS	2 CFF expander: C1	2 Backplane 4: PWR	2 Onboard: 7mm power connector
3 Backplane 3: SAS	3 CFF expander: C2
4 CFF expander: RAID/HBA	4 8i/16i adapter Gen 4: C0 Gen 3: C0C1
5 CFF expander: PWR	5 Onboard: CFF EXP PWR