RM238 Series 
Backplane ā  51 
 
 
Figure 72 Backplane rear view 
 
Table 12 Connector and pin header function description 
The  backplane  includes  two  power  connectors 
supplying  12V  input  to  the  backplane.  Power  is 
routed to the backplane via a power cable harness 
from the power supply. 
The  backplane  includes  three  multi-port  Mini-SAS 
HD  connectors  providing  data  signals  for  twelve 
SATA/SAS drives on the backplane. A cable can be 
routed  from  matching  connectors  on  the  server 
board or add-in SATA/SAS HBA cards. 
The backplane includes one 4-pin connector used as 
a management interface to the server board. 
The backplane includes four fan connectors used to 
control and monitor fan speed. 
Follow below the DIP switch setting table.