■ The connector in the top I/O module canister of each storage shelf must have
the blue clip pointing down.
■ The connector in the bottom I/O module canister of each storage shelf must
have the blue clip pointing up.
■ The SAS connector blue clip should face towards the SAS label on each port
in the storage shelf.
Adding one or more storage shelves to an operating 4TB appliance that does not have any storage shelves
Understanding appliance and storage shelf connections
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