IBM System x3650 M3 4255 Installation And User Manual page 93

c. From the front side of the SAS controller, install the two screws that hold
the metal bracket onto the SAS controller.
22. If required, connect one end of the remote battery cable to the interposer card.
Attention: To avoid damage to the hardware, make sure that you align the
black dot on the cable connector with the black dot on the connector on the
interposer card. Do not force the remote battery cable into the connector.
23. Connect the shorter SAS signal cable that comes with the option kit to the
SAS controller connector that is labeled "Ports 7-4".
Notes:
a. If you are connecting the shorter SAS signal cable to a ServeRAID-BR10i
v2 SAS/SATA Controller, the connectors are reversed. You must connect
the shorter SAS signal cable to the connector that is labeled "Port 4–7",
which is the connector that is not the closest to the edge of the controller.
Chapter 2. Installing optional devices
77