Fujitsu Siemens Computers S60 - Manual (Page 37)

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5 Power Supply
5.1 Power Supply Units
The PRIMERGY S60 storage subsystem contains two power supply units which
guarantee the power supply to all installed components.
Using two power supply units, power supply redundancy is achieved. If a power
supply unit fails, the subsystem will continue to operate without restrictions.
I
To guarantee a power supply unit redundancy, a failed power supply unit
must be replaced urgently.
The power supply units are supplied with mains voltage via the supplied
connecting cables.
The power supply units can be connected directly to two different phases of the
in-house circuit in order to achieve phase redundancy (see section “Mains
Connection with Phase Redundancy” on page 59).