Chenbro RM23808 - Backplane Connector and Pin Header Functions (OCuLink)

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Figure 79 Backplane rear view
Table 22 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
OCuLink
The backplane includes two OCuLink connectors
providing data signals for two 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 one 4-pin connector used as
a management interface to the server board.