Hardware
105
Power Supply Unit
In the server, there are 4 slots where a power supply unit is to be mounted. The redundant
configuration can be achieved by the number of mounted units.
● No Redundancy : Four power supply units are configurable. Two power supply units are
configured by default.
When A1080a-S model or A1040a model, the system is able to operate
with a power supply unit connected to a power supply outage. However it
is not true when A1080a-D model or A1080a-E model.
● N+1 Redundancy: Operation can be continued even when one of power supply units fails.
For example, if the minimum requisite power supply units are two and
one more unit is added, this enables continuous operation by using the
available two units even when one of three units fails.
● 2N Redundancy: Operation can be continued by supplying power to two power supply units
from two electric power companies respectively even in the case of power
supply outage from one of the electric power companies.
(1) Release Lock Lever
(2) AC Inlet
(3) Handle
(4) Connector
(4)
(2)
(1)
(3)
Rear of Server
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