16.2.2 Power cabling with 8x 3.5-inch HDDs and SAS
expander board
Power Backplane
X21
X25
X20
X22 / X23
System Board D2949
PWR
PSU CONTROL
PWR HDD / ODD
SAS Expander Board
Figure 578: Power cabling: 8x 3.5" HDDs and SAS expander board
TX300 S8 / RX350 S8
PWRPB
4
X20
9
Upgrade and Maintenance Manual
2
1
P2
P1
Cabling
4x 3.5-inch HDD
Backplane 2
X10
X9
X7
4x 3.5-inch HDD
Backplane 1
X10
X9
X7
739