Power Supply Redundancy - Fujitsu PRIMEQUEST 2000 Series Design Manual

3.3.7 Power Supply Redundancy

nExamples of 200V (for 2800B/2800E)
Primary Power Feed
Without Redundant Power Supply (3+0)
PSU PSU
Failure
Customer's distribution panel (AC200V)
nExamples of 100V (for 2400E)
Without Redundant Power Supply (4+0)
PSU PSU
Failure
Customer's distribution panel (AC100V)
* When using a redundant configuration or dual power feed for the main unit, also use the same power supply configuration for PCI Boxes.
For details on PSU configurations, refer to
PRIMEQUEST 2000 Series Design Guide
PSU
If a PSU fails, the entire
system goes down.
AC power supply
(#0 system)
PSU PS
If a PSU fails, the entire
system goes down.
AC power supply
(#0 system)
Primary Power Feed
With Redundant Power Supply (3+1)
PSU PSU PSU
Redundant
PSU
Failure
Using a redundant PSU
prevents the system from
going down.
Customer's distribution panel (AC200V)
With Redundant Power Supply (4+1)
PSU PSU
Failure
Customer's distribution panel (AC100V)
"2.7 Power Supply Unit
99
Dual Power Feed (3x2)
PSU PSU
AC power
supply
Power failure
(#0
AC power supply
system)
(#0 system)
Customer's distribution panel
(AC200V)
PSU PSU
Redundant
PSU
(PSU)".
PSU PSU PSU PSU
AC power
supply
(#1
system)
Customer's distribution panel
(AC200V)
Using dual power feed
prevents the system
from going down.
Using a redundant PSU
prevents the system from
going down.
AC power supply
(#0 system)
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