IBM x3650 - System M2 - 7947 User Manual page 90

27. Connect the SAS signal cables to the SAS expander card:
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System x3650 M2 Type 7947: Installation and User's Guide
a. Connect the SAS signal cable from hard disk drive backplane 2 to the right
front connector on the SAS expander card (as facing the front of the
server).
SAS expander
card
SAS signal cables
b. Connect the SAS signal cable from hard disk drive backplane 3 to the left
front connector on the SAS expander card (as facing the front of the
server).
Backplanes 1 - 3