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

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

Connections between connectors: 11, 22, 33, ... nn

Figure 1. Front backplane cable routing
Front backplane cable routing

Figure 2. Rear backplane cable routing
Rear backplane cable routing

FromToFromTo
1Backplane 1: SAS1CFF expander: C01Backplane 4: SAS 0, SAS 11CFF expander: C3
2Backplane 2: SAS2CFF expander: C12Backplane 4: PWR2
  • Onboard: rear backplane power

  • Onboard: rear backplane sideband

  • Riser 1: PWR

3Backplane 3: SAS3CFF expander: C2

 

 

4CFF expander: RAID/HBA48i/16i adapter
  • Gen 4: C0

  • Gen 3: C0C1

 

 

5CFF expander: PWR5Onboard: CFF EXP PWR