Power Unit; Installing A Power Unit - NEC Storage ST1220 User Manual

Disk expansion unit
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User Guide

Power Unit

When two power units are installed, the system can operate without any interruption if a failure
occurs in one of the power units (redundant feature).

Installing a Power Unit

Add a power unit as described in the following procedure.
1. See the section "Preparing for Installation and Removal".
2. Remove the dummy power unit. Press on the latch (1) to unlock the dummy power unit
handle (2).
IMPORTANT: Save the removed the dummy power unit
carefully for future use.
3. Insert the power unit with the handle down.
IMPORTANT: Slide in the power unit by pushing on the
unit itself, not on the handle.
(1)
(2)
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