Figure 6.1 System Based On A Ups; Figure 6.2 System Based On A Ups And An Independent Power Generator; Selecting Power Supply Facilities - Fujitsu M10 Series Installation Planning Manual

6.2.2

Selecting power supply facilities

Select power supply facilities to suit the available power source at the installation site,
and the operational importance of the server system.
(1) Systems that cannot tolerate service disruption
a) Power failure-free system
Use of a UPS is mandatory for server systems that cannot tolerate service disruption
at any time even the instantaneous interruption or power failure of commercial
power supply.
Figure 6.1
Note:
b) Long-duration power failure-free system
A UPS combined with an independent power generator provides a solution for
longer term power failures as shown in

Figure 6.2 System based on a UPS and an independent power generator

C120-H007-08EN
shows the configuration example of a server system which uses a UPS.
Secondary side of UPS is isolated or neutral.

Figure 6.1 System based on a UPS

Figure 6.2.
6.2 Power Supply Facilities
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