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RM238 Series
Backplane
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48
Figure 70
Backplane rear view
Table 9 Connector and pin header function description
Label
Connector
Description
Drawing
A
Power
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.
B
Mini-SAS HD
The backplane includes two multi-port Mini-SAS HD
connectors providing data signals for eight
SAS/SATA drives on the backplane. A cable can be
routed from matching connectors on the server
board or add-in SATA/SAS HBA cards.
C
I2C
The backplane includes a 4-pin connector used as a
management interface to the server board.
D
Fan
The backplane includes four fan connectors used to
control and monitor fan speed.
E
DIP Switch
Set the DIP switch to ON for RM23808.
F
CN3 (Mute pin)
Fan setting for RM23808.
G
JC1 (JCK pin)
Fan setting for RM23808.