Fujitsu ETERNUS DX S4 Series - Figure 1.10 Operation Timing Chart When Using a Power Synchronized Unit (Powering Off)

Chapter 1 Overview
1.6 Power Management for Power Synchronization
FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide (Power Synchronized Unit)
Copyright 2017 FUJITSU LIMITED P3AM-8012-10ENZ0
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The following figure shows the timing chart of power off operations for scheduled operations or for when a
power failure occurs. For details about setting items and values, refer to the manual of the expansion card
that is installed in the UPS unit and the manual of the UPS management software that is used.
Figure 1.10 Operation timing chart when using a power synchronized unit (powering off)
Shutdown state
Operating
ON
OFF
OFF
ON OFF
ETERNUS DX/AF
Server UPS unit
Server
ETERNUS DX/AF
UPS unit
1 Shutdown of the server
(Server shutdown starts)
3 Issuance of command to shut down the ETERNUS DX/AF
from the power synchronized unit
S3 (>S2)
S2
E3 (>S3+E2)
Operating (Power is on)
E2
5 UPS shutdown
(Power supply stops)
S2: Processing time for server shutdown.
E2: Required time to turn off the ETERNUS DX/AF.
For details, refer to the manual that is provided with the connected ETERNUS DX/AF.
S3: Battery operation time until server UPS unit shutdown when a power failure occurs.
E3: Battery operation time until ETERNUS DX/AF UPS unit shutdown when a power failure occurs.
Shutdown process
4 Shutdown process
2 UPS shutdown
(Power supply stops)
(0 Power failure occurred (commercial power is stopped))
Shutdown state
Operating
ON
OFF
OFF
ON OFF
ETERNUS DX/AF
Server UPS unit
Server
ETERNUS DX/AF
UPS unit
1 Shutdown of the server
(Server shutdown starts)
3 Issuance of command to shut down the ETERNUS DX/AF
from the power synchronized unit
S3 (>S2)
S2
E3 (>S3+E2)
Operating (Power is on)
E2
5 UPS shutdown
(Power supply stops)
S2: Processing time for server shutdown.
E2: Required time to turn off the ETERNUS DX/AF.
For details, refer to the manual that is provided with the connected ETERNUS DX/AF.
S3: Battery operation time until server UPS unit shutdown when a power failure occurs.
E3: Battery operation time until ETERNUS DX/AF UPS unit shutdown when a power failure occurs.
Shutdown process
4 Shutdown process
2 UPS shutdown
(Power supply stops)
(0 Power failure occurred (commercial power is stopped))