RX900 S2 Operating Manual 105
CSS components
9.1 Hot-plug power supply units
V CAUTION!
The server supports a mains voltage in the range of 200 - 240 V. You may
only operate the server if its rated voltage range corresponds to the local
mains voltage.
I Phase redundancy is possible in regions, where a single phase provides
200 - 240V; in other regions with lower single phase voltage, two phases
must be coupled and complete phase redundancy thus is not possible.
For more information on the redundancy concept, see "Connecting the server
to the mains" on page 71.
For information on installing an additional power supply unit and replacing a
defective one see "PRIMERGY RX900 S2 Server Upgrade and Maintenance
Manual".
A possible power supply unit failure is reported by the CSS indicator lighting up
on the front and rear of the server as well as by the indicator on the power
supply unit in question, see "Indicators on the hot-plug power supply units" on
page 87.
The power supply unit failure is also displayed on the ServerView Local Service
Display, see the "Customer Self Service (CSS)" manual on the ServerView
Suite DVD 2.
V CAUTION!
● Areas around the power supply unit may remain extremely hot after
shutdown. Wait for a while after shutdown before removing the power
supply unit.
● When installing the power supply unit, be sure to confirm that the
connector of the PSU is not damaged or bent.
● Do not insert your hands in the power supply unit slot when removing
the power supply unit. Doing so may cause electric shock.
● If the power supply unit is hard to remove, do not pull out it by force.
● The power supply unit is heavy, so handle it carefully. If you drop it by
mistake, injuries may result.
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