NEC Storage ST1220 User Manual page 59

User Guide
5. If you cannot replace the defective power unit with a functional one, install the dummy
power unit removed in step 2 of the installation procedure (in this case skip 6, 8,9,10
and 11 in the procedure below).
IMPORTANT:
Slide in the dummy power unit by pushing on the unit
itself, not on the handle.
cannot be achieved if you operate the Disk Expansion
Unit with an empty power slot.
6. Insert the new power unit by its body with the handle down.
IMPORTANT: Slide in the power unit by pushing on the
unit itself, not on the handle.
7. Pull up the handle slowly. The handle clicks and locks into place.
IMPORTANT:
Do not pinch your fingers with the handle.
Avoid touching any power unit connection terminals.
8. Connect the power cord to the power unit AC inlet.
9. Pull down the power cord stopper to lock the power cord.
10. Use cable ties to fix appropriately the power cord.
IMPORTANT: Do not bundle together the power cord and
the SAS interface cable. Fix the power cord and the SAS
interface cable using separate cable ties.
11. Connect the power cord connect to an AC outlet, and power on the power unit.
12. Check that the Power Unit LED lights green.
Always install a dummy power unit. Proper cooling
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