Dell PowerEdge R330 Owner's Manual page 112

Figure 49. Cabling diagram—Four 3.5-inch or 2.5-inch hard drive SAS/SATA backplane
1. power interposer board (PIB)
3. optical drive power cable connector on
the system board
5. optical drive SATA connector on the
system board
7. cable routing clip
9. optical drive
11. signal cable connector on the backplane
112
2. signal cable connector on the system
board
4. system board
6. SAS connector on the system board
8. backplane
10. SAS connector on the backplane
12. power cable connector on the
backplane