Lenovo ThinkSystem SR655 V3 - Two 8 X SAS;SATA Backplanes

Two 8 x SAS/SATA backplanes
This section provides cable routing information for the server model with two 8 x 2.5-inch SAS/SATA front
drive backplanes.
To connect power cables for the front backplane(s), refer to “Backplanes: server models with 2.5-inch front
drive bays” on page 163
.
To connect signal cables for the backplane(s), refer to the following cable routing scenarios depending on
your server configuration.
• “16 x SAS/SATA” on page 176
– “Onboard connectors” on page 176
– “16i RAID/HBA adapter” on page 177
16 x SAS/SATA
This topic provides cable routing information for the configuration with 16 SAS/SATA front drive bays.
To connect power cables for the front backplane(s), refer to
“Backplanes: server models with 2.5-inch front
drive bays” on page 163
.
To connect signal cables for the backplane(s), refer to the following cable routing scenarios depending on
your server configuration.
•
“Onboard connectors” on page 176
• “16i RAID/HBA adapter” on page 177
Onboard connectors
The following shows the cable connections for the 16 x 2.5-inch SAS/SATA configuration with onboard
connectors.
Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
176 ThinkSystem SR655 V3 User Guide