Fujitsu Eternus DX90 S2 - Figure 3.16 Single-Line Power Supply When Connecting to a UPS Unit; Figure 3.17 Single-Line Power Supply When Connecting to a Power Socket and a UPS Unit

Chapter 3 Connections
3.4 Power Supply Connection
ETERNUS DX80 S2/DX90 S2 Disk storage system User’s Guide -Site Planning-
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Figure 3.16 Single-line power supply when connecting to a UPS unit
Figure 3.17 Single-line power supply when connecting to a power socket and a UPS unit
When the power distribution units are separately connected to line 0 (PSU#0) and line 1 (PSU#1), the
availability of the power supply facilities is improved.
UPS
Power distribution unit
ETERNUS DX
Disk storage system
Line 0
PSU
PSU
Power distribution unit
ETERNUS DX
Disk storage system
UPS
PSU
Line 0
PSU
Power supply
facility
CE
DE #0x
...
Line 0
ETERNUS DX
Disk storage system
DE #01
Line 1
Power distribution unit Power distribution unit
Power supply
facility
Power supply
facility
PSU
PSU
PSU
PSU
PSU
PSU