RM238 Series 
Backplane ā  66 
 
 
Figure 85 Expander board front view 
 
Table 29 Connector and pin header function description 
The  backplane  includes  one  power  connector 
supplying  12V  input  to  the  backplane.  Power  is 
routed to the backplane via a power cable harness 
from the power supply. 
The  expander board  includes  five multi-port  Mini-
SAS  HD  connectors  which  contain  two  for  the 
connection to 8-port BP and three for the connection 
to  MB.  A  cable  can  be  routed  from  matching 
connectors on the add-in SATA/SAS HBA cards. 
The backplane includes two 4-pin connectors used 
as a management interface to the server board. 
The  expander  board  includes  five  fan  connectors 
used to control and monitor fan speed. 
Follow below the DIP switch setting table. 
 
Table 30    Dip switch setting