Lenovo ThinkSystem DE Series Installation Instructions Manual page 14

a. Cable controller A to IOM A of the first
drive shelf.
b. Cable IOM A of the first drive shelf to IOM
A of the second drive shelf.
c. Cable IOM B of the first drive shelf to IOM
B of the second drive shelf.
d. Cable controller B to IOM B of the second
drive shelf.
a. Cable controller A to IOM A.
b. Cable controller B to IOM B.
2. Power the drive shelves.
You need the following cables:

Confirm the drive shelf power switches are off.
a. Connect the two power cables for each shelf to different power distribution units (PDUs) in
the cabinet or rack.
b. If you have drive shelves, turn on their two power switches first. Wait 2 minutes before
applying power to the controller shelf.
c. Turn on the two power switches on the controller shelf.
d. Check the LEDs and seven-segment display on each controller.
Example A: An DE4000H (4U60) controller
shelf with two DE600S disk shelves in a
standard SAS configuration.
Example B: An DE4000H (4U60) controller
shelf with one DE600S disk shelf in a standard
SAS configuration.
Power cables
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