Chapter 7: Environmental Requirements and Specifications
Site Requirements and Guidelines
QX and QXS Setup Guide
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The following criteria are required for all installations:
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All DC mains and supply conductors to power distribution boxes for the rack-mounted system must
comply with local, national, or other applicable government codes and regulations.
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Ensure that the voltage of your power source matches the voltage inscribed on the equipment’s
electrical label.
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To ensure redundancy, provide two separate power sources for the chassis . These power sources
must be independent of each other, and each must be controlled by a separate circuit breaker at the
power distribution point.
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The system requires voltages within minimum fluctuation. The customer-supplied facilities’ voltage must
maintain a voltage within the range specified on the equipment’s electrical rating label. The customer
facilities must also provide suitable surge protection.
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Site wiring must include an earth ground connection to the DC power source. Grounding must comply
with local, national, or other applicable government codes and regulations.
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Power circuits and associated circuit breakers must provide sufficient power and overload protection.
Weight and Placement Guidelines
Refer to Physical Requirements
for detailed size and weight specifications.
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Refer to the rackmount bracket kit installation sheet pertaining to your product for guidelines about
installing chassis into the rack.
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When installing chassis into the rack, populate from the bottom position and move upwards for optimal
rack stability.
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The weight of an chassis depends on the number and type of modules installed.
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Ideally, use two people to lift a chassis . However, one person can safely lift an chassis if its weight is
reduced by removing the power supplies and drive modules.
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Do not place chassis in a vertical position. Always install and operate the chassis in a horizontal
orientation.
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When installing chassis in a rack, make sure that any surfaces over which you might move the rack can
support the weight. To prevent accidents when moving equipment, especially on sloped loading docks
and up ramps to raised floors, ensure you have a sufficient number of helpers. Remove obstacles such
as cables and other objects from the floor.
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To prevent the rack from tipping, and to minimize personnel injury in the event of a seismic occurrence,
securely anchor the rack to a wall or other rigid structure that is attached to both the floor and to the
ceiling of the room.
Electrical Guidelines
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These chassis work with single-phase power systems having an earth ground connection. To reduce
the risk of electric shock, do not plug an chassis into any other type of power system. Contact your
