HP DC SAN Backbone Director Switch Hardware Reference Guide (5697-2158, August 2012)

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Rack stability
Rack stability protects personnel and equipment.
WARNING! To reduce the risk of personal injury or damage to equipment:
Extend leveling jacks to the floor.
Ensure that the full weight of the rack rests on the leveling jacks.
Install stabilizing feet on the rack.
In multiple-rack installations, fasten racks together securely.
Extend only one rack component at a time. Racks can become unstable if more than one
component is extended.
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