Power Supply Unit - NEC Express5800/A1080a User Manual

Express5800 series
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Hardware

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
N+1 Redundancy: Operation can be continued even when one of power supply units fails.
2N Redundancy: Operation can be continued by supplying power to two power supply units
(1)
(1) Release Lock Lever
(2) AC Inlet
(3) Handle
(4) Connector
configured by default.
When A1080a-S 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.
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.
from two electric power companies respectively even in the case of power
supply outage from one of the electric power companies.
Rear of Server
(3)
(2)
118
(4)

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