Fujitsu ETERNUS AF250 Handbuch zur Standortplanung - Seite 34
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2.
Rack Installation Specifications
Rack Installation Requirements
When connecting a new enclosure, if the current capacity totaling the current consumption value of power
•
cords that connect to outlets OUT1 to OUT4 exceeds 8A, connect to OUT5.
When the current capacity totaling the current consumption value of power cords that connect to outlets OUT5
to OUT8 exceeds 8A, connect to the next power distribution unit.
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Power Distribution Units (2U, 12 Outlets, 16A)
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When connecting, keep the current capacity totaling the current consumption value of power cords that con-
nect to outlets OUT1 to OUT6 within 16A for each power distribution unit.
When connecting, keep the current capacity totaling the current consumption value of power cords that con-
•
nect to outlets OUT1 to OUT3 and the current capacity totaling the current consumption value of power cords
that connect to outlets OUT4 to OUT6 within 8A for each power distribution unit.
•
When connecting a new enclosure, if the current capacity totaling the current consumption value of power
cords that connect to outlets OUT1 to OUT3 exceeds 8A, connect to OUT4.
When the current capacity totaling the current consumption value of power cords that connect to outlets OUT4
to OUT6 exceeds 8A, connect to the next power distribution unit.
For details on the current consumption of each power cord for each type of enclosure, refer to
Specifications" (page
Cable Connection (Between Enclosures)
In the ETERNUS AF, longer cables may be required according to the installation locations of the enclosures in the
same rack or the installation locations of enclosures that are used in multiple racks.
For drive enclosures, the length of the provided cables between enclosures is 0.75m.
For extended connections, 2.5m, 3.5m, 6.0m, 15m, and 30m cables are available.
Cables with a length of 0.75m, 2.5m, 3.5m, and 6.0m are Mini SAS HD copper cables, and cables with a length of
15m and 30m are Mini SAS HD active optical cables. There are no operational issues even if different types of
cables exist in the ETERNUS AF.
The following guideline shows how the mini SAS HD cables between enclosures should be used according to
their cable length.
Table 19 Usage of Cables for Connecting Enclosures
Cable length
0.75m
2.5m
3.5m
6.0m
15m
30m
17).
Usage
Supplied with drive enclosures as standard and used for connecting drive enclosures.
Used as extension cables when the lengths of the cables that are supplied with drive enclosures
as standard are not sufficient.
Used as extension cables when the connection length is longer than 2.5m or when enclosures are
connected between the racks.
Used as extension cables when the connection length between the racks is longer than 3.5m.
Used as extension cables when the connection length between the racks is longer than 6.0m.
Used as extension cables when the connection length between the racks is longer than 15.0m.
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays Site Planning Guide
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"Outlet/Socket
P3AG-1812-06ENZ0