Fujitsu primequest 2400E2 Design Manual page 112

3.5.1 Power Supply Redundancy
Examples of 200V (for 2800B2/2800B3/2800E2/2800E3)

Single Power Feed
Without Redundant Power Supply (3+0)
PSU PSU
Failure
Customer's distribution panel (AC200V)
Examples of 100V (for 2400E2/2400E3)

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 the
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)
Single 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)
"2.8 Power Supply Unit
111
Dual Power Feed (3x2)
PSU PSU
AC power
Power failure
supply
(#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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