Owners Manual

Expansion Enclosure Rack Rails
The SC460 expansion enclosure is mounted in a rack using rack rails.
If the rack rails are damaged, they must be replaced.
Remove the Expansion Enclosure Rails
Removal of the expansion enclosure rails must be performed during a scheduled maintenance window when the Storage Center system is
unavailable to the network.
Prerequisites
1 Use SupportAssist to send diagnostic data to technical support.
2 Change the operation mode of the Storage Center to Maintenance.
3 Use Storage Manager to shut down the storage system connected to the expansion enclosure.
Steps
1 Make sure all the cables are labeled.
2 Disconnect the power cables and Mini-SAS HD cables from the expansion enclosure
3 Remove the screws that secure the chassis to the rack.
4 Remove the expansion enclosure from the rack rails.
WARNING
: Do not attempt to the lift the expansion enclosure by yourself. Always have assistance when lifting the
expansion enclosure. If installed above the lower 20U of a rack, a customer-provided mechanical lift must be used to avoid
injury.
5 Remove the rack rails from the rack.
Install the Expansion Enclosure Rails
Installation of the expansion enclosure rails must be performed during a scheduled maintenance window when the Storage Center system
is unavailable to the network.
Steps
1 If necessary, adjust the length of the expansion enclosure rails to t the rack.
2 Attach the right rail to the back post of the rack.
a Align the right rail with the lower two U spaces of the 4U mounting location.
b With the release latch on the outer part of the rack post, place the catch mechanism over the post.
c Push the rail back to secure the rail to the rack post.
An audible click indicates that the rail is secure in the post.
Replacing SC460 Expansion Enclosure Components
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