Dell PowerEdge C6220 Hardware Owner's Manual page 177

NOTE: When connecting the RAID battery cable, the BBU interposer card
should be installed on the LSI 9265-8i card. The BBU interposer card in the
figure below is just for you reference.
Figure 3-28. Cable Routing for LSI 9265-8i Card
Item Cable
Mini-SAS
/SGPIO cable
Mini-SAS
cable
RAID battery
cable
power cable
From
(LSI 9265-8i Card)
Mini-SAS connector
0~3 (J2B1)
Mini-SAS connector
4~7 (J2B2)
RAID battery connector
(J4)
Control connector (J3)
on the interposer
extender
To
(RAID Battery and Hard
Drive to Backplane
SATAII Connectors)
SATAII connectors
0~3 and SGPIO 1 on
the interposer
extender for 2U node
Mini-SAS connector 0
on the system board
RAID battery
connector on the
RAID battery
Front panel connector
1 on the system board
Installing System Components | 177