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Using and connecting up the universal power
supply unit
To ensure the optimum mains power supply fault tolerance, you should connect
up the power supply as shown in the examples below.
PS 1
PS 2
L2
L1
Good
Connection strategy for redundant network access and universal power supply units. Legend:
PS = Power Supply, UPS = Universal Power Supply,
L1 = Powerline 1 (Phase 1), L2 = PowerLine 1 (Phase 2)
Instructions for mechanical assembly and
installation
Fit the shelf to your 19" rack. Full assembly instructions are given on the
Storage web site. Start from the lowest shelf at floor level and work upwards.
Use a pointed pin to set the shelf ID switches. Set the controller shelf ID to
0. Set the first expansion shelf ID to 1, the second expansion shelf ID to 2
and so on. Set all the shelves without leaving any gaps in ID numbering. Do
not leave any empty spaces.
Connect up the two power supply units with the power supply cables. Use
the redundancy shown in the diagram above.
Switch on both of the power supply units of the expansion shelves first.
Switch on the power supply unit of the controller shelf last. Switch off in
reverse order, i.e. switch off the controller shelf first and then the expansion
shelves.
Next, connect up the Host Bus Adapter (HBA).
U41578-J-Z875-1-76
PS 1
PS 1
PS 2
UPS
L1
L1
Incorrect
Very good
Preparing for installation
PS 1
PS 2
PS 2
UPS
UPS
L2
L1
Incorrect
PS 1
PS 2
UPS
L2
L1
Good
7
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