Lenovo ThinkSystem SR550 Maintenance Manual page 46

Figure 21. Cable routing for server models with twelve 3.5-inch hot-swap drives, 16i adapter, and serial port module
Cable
SAS signal cable*
1
SAS signal cable*
2
Power cable
3
Power cable
4
ThinkSystem SR550 Maintenance Manual
38
From
SAS 0 and SAS 1 connectors on the
backplane
SAS 2 connector on the backplane
Power connector 1 on the backplane
Power connector 2 on the backplane
To
HBA/RAID adapter installed in PCIe
slot 1:
• Gen 3: C0C1
• Gen 4: C0
HBA/RAID adapter installed in PCIe
slot 1:
• Gen 3: C2
• Gen 4: C1
Backplane power connector 1 on the
system board
Backplane power connector 2 on the
system board