Lenovo System x3550 M4 Installation And Service Manual page 281

Figure 184. Backplate assembly installation
b. Adjust the latch to the locked position on 3.5-inch server models.
Figure 185. Latch adjustment
Step 4. Connect the signal and power cables to the system board. Route the signal cable from the drive
backplane along the chassis and connect it to the SAS/SATA signal connector. Then, route
the power cable from the drive backplate assembly along the chassis and connect it to the
simple-swap SATA power connector. See "Cabling backplane" on page 181 for more information.
.
Chapter 6 Removing and replacing components
267