3.5-inch hot-swap backplane
Table 14.  3.5-inch hot-swap backplane connectors
1  Power connector
2  SAS/SATA connector
2.5-inch hot-swap backplane
Table 15.  2.5-inch hot-swap backplane connectors
1  Power connector
3  SAS/SATA 0 connector
2  SAS/SATA 1 connector
Power distribution board
The illustrations in this section identify the connectors on the power distribution boards.
Two types of power distribution boards are supported by this server: 
•  “Power distribution board for the fixed power supply” on page 31
•  “Power distribution board for hot-swap power supplies” on page 31
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ThinkSystem ST250 V2 Setup Guide