VERITAS NetBackup 5230 Hardware Installation Manual page 83

Adding 2U12 storage shelves to an operational NetBackup 5230 Appliance
About adding 2U12 storage shelves to an operational appliance
A 2U12 shelf requires SAS3 compliant connectors.
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A 3U16 shelf requires SAS2 compliant connectors.
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SAS2-to-SAS3 cables have a SAS2 connector on one end and a SAS3 connector
on the other end. This arrangement enables a connection between the SAS2 ports
and the SAS3 ports.
Note the difference between the SAS2 and the SAS3 connectors.
SAS2 connectors have a long connector and a small blue tab. One horizontal
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pin board resides inside the connector.
SAS3 connectors include a short connector and a long blue tab. Two horizontal
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pin boards reside inside the connector.
2U12 rear panel
The rear panel of the 2U12 storage shelf includes one Power Cooling Modules
(PCMs) on each side. In the middle of the rear panel are two canisters. The top
and the bottom canisters connect to the appliance or to other storage shelves.
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