Dell DR4300e Owner's Manual page 154

Figure 75. Installing the 3.5 inch (x12) SAS/SATA backplane
1. release tab (2)
3. SAS cable A1
5. backplane signal cable
7. SAS cable A0/B0
9. control panel cable
11. hard drive backplane
Next steps
1. Replace the cooling fan assembly.
2. Replace the cooling shroud.
3. Install the hard drives in their original locations.
4. Follow the procedure listed in the After working inside your system section.
Related Links
Safety instructions
Before working inside your system
Installing a hot-swap hard drive
Installing the cooling fan assembly
Installing the cooling shroud
After working inside your system
154
2. SAS cable A2
4. left ear control panel cable
6. backplane power cable (2)
8. USB cable
10. right ear control panel flex cable
12. hard drive backplane connector (12)