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PRIMEQUEST 2000 Series Design Guide
Redundant
PSU
3.5.1 Power Supply Redundancy
Examples of 200V (for 2800B2/2800B3/2800E2/2800E3)
Examples of 100V (for 2400E2/2400E3)
CB
CB
Customer's distribution panel (AC200V)
AC power supply
(#0 system)
PSU
PSU
Single Power Feed
Without Redundant Power Supply (3+0)
CB
Customer's distribution panel (AC200V)
AC power supply
(#0 system)
PSU
PSU
Single Power Feed
With Redundant Power Supply (3+1)
Dual Power Feed (3x2)
AC power
supply
(#0
system)
PSU
PSU
PSU
CB
AC power
supply
(#1
system)
PSU
Using dual power feed
prevents the system
from going down.
Without Redundant Power Supply (4+0)
CB
Customer's distribution panel (AC100V)
AC power supply
(#0 system)
PSU
PSU
PSU
Failure
With Redundant Power Supply (4+1)
CB
Customer's distribution panel (AC100V)
AC power supply
(#0 system)
CB
PSU
PSU
CB
PSU
CB
* When using a redundant configuration or dual power feed for the main unit, also use the same power supply configuration for the
PCI Boxes.
PSU
CB
PSU
CB
CB
Power failure
CB
PSU
Customer's distribution panel
(AC200V)
If a PSU fails, the entire
system goes down.
Redundant
PSU
CB
Using a redundant PSU
prevents the system from
going down.
PS
CB
If a PSU fails, the entire
system goes down.
PSU
CB
Using a redundant PSU
prevents the system from
going down.
CB
PSU
For details on PSU configurations, refer to "
Customer's distribution panel
(AC200V)
Copyright 2016-2017 FUJITSU LIMITED
CB
CB
CB
CB
CB
Failure
Failure
Failure
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