RM238 Series
Backplane
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70
Figure 89 Backplane rear view
Table 34 Connector and pin header function description
Label
Connector
Description
Drawing
A
Power
The backplane includes one 2 x 4 connector
supplying 12V power to the backplane. Power is
routed to the backplane via a power cable harness
from the power supply.
B
OCuLink
The backplane includes eight OCuLink connectors
providing data signals for eight NVMe drives on the
backplane. A cable can be routed from matching
connectors on the server board or add-in switch
cards.
C
I2C
The backplane includes two 4-pin connectors. One is
used as a management interface to the server board
and the other is for BP to BP communication.