254 Upgrade and Maintenance Manual TX2550 M4
Hard disk drive (HDD) / solid state drive (SSD)
7.5.5.6 Cabling the 4x 3.5-inch HDD extension box
Figure 166: Connecting cables to the 4x 3.5-inch HDD extension box
Ê Connect the SAS cable C11 from backplane connector X9 to the expander
board connector X12 (1).
Ê Connect the power cable C6 from backplane connector X40 to the system
board connector PWR3 (2).
Ê If applicable, connect the power cable and the SATA cable of the ultraslim
ODD to the system board (see section "Installing the ultraslim ODD" on
page 389).
Ê If applicable, connect the OOB cable, see section "Replacing the OOB
cable" on page 488.
I For the cable plan see chapter "Appendix B" on page 517.
7.5.5.7 Installing HDD modules into the 4x 3.5-inch HDD extension box
Ê Install HDD modules or HDD dummy modules into the additional HDD bays,
see sections "Installing a 3.5-inch HDD module" on page 219 and "Installing
a 3.5-inch HDD dummy module" on page 221.