Cable Connection; Figure 28 Mini Sas Hd Cables Between Shelves (For A Single Controller Shelf) - Fujitsu ETERNUS AX Series Manual

2. Rack Installation Specifications
Rack Installation Requirements

Cable Connection

Power Cord
This section explains the requirements for connecting a power distribution unit with the ETERNUS AX/HX.
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Power Distribution Units (2U, 16 Outlets, 24A)
• For each power distribution unit, the total current capacity of the current consumption value of the power
cords that connect from outlets OUT1 to OUT8 must be 24A or less.
• For each power distribution unit, the total current capacity of the current consumption value of the power
cords that connect from outlets OUT1 to OUT4 and total current capacity of the current consumption value of
the power cords that connect from outlets OUT5 to OUT8 must be 12A or less.
• Connect a new shelf to OUT5 if the total current capacity of the current consumption value of the power cords
that connect from outlets OUT1 to OUT4 exceeds 12A.
Connect a new shelf to the next power distribution unit if the total current capacity of the current consumption
value of the power cords that connect from outlets OUT5 to OUT8 exceeds 12A.
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Power Distribution Units (2U, 6 Outlets, 24A)
• For each power distribution unit, the total current capacity of the current consumption value of the power
cords that connect from outlets OUT1 to OUT3 must be 24A or less.
Shelves Interconnection Cables
Mini SAS HD cables or QSFP cables are used to connect between shelves in the ETERNUS AX/HX.
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ETERNUS AX2100 and ETERNUS HX2100/HX2200
Two (0.5 m) mini SAS HD cables are provided with each controller shelf, four with the first drive shelf, and two
with the second and later drive shelves.
The length of the mini SAS HD cables that are used varies depending on the number and type of drive shelf.
- For one or two 2U drive shelves
Use 0.5 m cables.
- To connect between 2U drive shelves and 4U drive shelves
Use 1 m cables.
- To connect between the controller shelf and the uppermost 4U drive shelf
Use 2 m cables.
Figure 28 Mini SAS HD Cables between Shelves (for a Single Controller Shelf)
0.5m cable
48 Site Planning Guide