6 Connect the DI (IN) port of IOM#0 in the drive enclosure that is to be added to the DI (OUT) port of IOM#0
in the nearest drive enclosure with the mini SAS HD cable between enclosures.
The following figure shows how the mini SAS HD cables between enclosures are connected when drive
enclosure 2 is added.
Drive enclosure 1
Drive enclosure 2
(drive enclosure
that is to be added)
Connect here
Connect here
7 Connect the power cord.
(1) Connect the power cord to the drive enclosure.
IMPORTANT
Each enclosure has two power supply units. Make sure that the power cords are connected to
all the power supply units.
(i) Connect the power cord plugs to the power inlets of the power supply units.
(ii) Fasten the plug of the power cord with the release tie.
Wrap the release tie around the power cord and fasten the release tie from either side. Make
sure that the release tie is not loose.
(2) Connect the power cord on the power socket side.
Connect the other end of the power cord plug to a power socket or an inlet on the power distribution
unit.
8 Move the PSU switches for PSU#0 and PSU#1 in the drive enclosures to the ON position (marked "|").
4. Component Expansion/Function Enhancement
Installing Additional Drive Enclosures
42 Operation Guide (Basic)
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