Fujitsu PRIMERGY TX2550 M5 Upgrade And Maintenance Manual page 310

Hard disk drive (HDD) / solid state disk (SSD)
Connecting cables - Example 8x 3.5-inch HDDs and HDD extension box
Figure 195: Connecting cables to expander board
▶ Connect the cables:
1 SAS cable C10 from connector "X1" on SAS expander board to
connector "MLC1" on the SAS controller
2 SAS cable C10 from connector "X2" on SAS expander board to
connector "MLC2" on the SAS controller
3, 4, 5 SAS cable C11 from SAS expander board connectors "X10",
"X11", "X12", to the connectors "X9" on backplanes
6 Power cable C26 from connector "X3" on SAS expander board
to connector "X17" on backplane 1
7, 8, 9 Power cables C6 from connectors "X40" on backplanes to
connectors "PWR1", "PWR2", and "PWR3 on system board
▶ If applicable, connect the OOB cable, see
page 554.
310 Upgrade and Maintenance Manual
"Replacing the OOB cable" on
TX2550 M5