Lenovo ThinkSystem SR665 Maintenance Manual page 77

Figure 21. Power cabling for 2.5-inch chassis
From
Power connector on backplane 1
1
Power connector on backplane 2
2
Power connector on backplane 3
3
To
Front backplane 1 power connector on the system board
Front backplane 2 power connector on the system board
Front backplane 3 power connector on the system board
.
Chapter 3 Internal cable routing
67