HP 10647 10842 Rack Reference Guide - Page 19

Rules for Component Placement, Additional Considerations, Weight, Balance, Server Console Switch

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Configuration Factors Rules for Component Placement The following rules apply to the physical placement of components in the rack. • Weight-Sort all components by weight, placing the heaviest components at the bottom of the rack. • Balance-Be sure to balance the weight load between racks, placing the heaviest components at the bottom. For example, if you have several UPS units and several servers, do not put all of the UPS units into one rack-distribute them evenly in the bottom positions of each rack. • Server Console Switch-Position the switch box on the side of the rack above the keyboard, or mount it behind the keyboard. • CRT Monitor-Position the monitor topmost within the rack. • Rack Mountable Flat Panel Monitor-Select a position to accommodate the desired viewing height (a minimum of 4Us above the keyboard tray). Additional Considerations The following are additional items to consider, based on your specific rack configuration. • Power-If a UPS is installed, do not exceed its output rating. Be sure to review the installation instructions provided with each component for important cautions and warnings. • PDUs-Install PDUs before installing other components. • Height-The height of the rack and of rack-mountable components is measured in U increments. When you are configuring your rack installation, remember that the total U measurement of the components you want to install cannot exceed the stated U height of the rack. • Keyboard-The rack keyboard requires prior installation of a 1U Keyboard Drawer Rack Option Kit. HP 10842 Rack Reference Guide 2-3

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Configuration Factors
HP 10842 Rack Reference Guide
2-3
Rules for Component Placement
The following rules apply to the physical placement of components in the rack.
•
Weight
—Sort all components by weight, placing the heaviest components at the
bottom of the rack.
•
Balance
—Be sure to balance the weight load between racks, placing the heaviest
components at the bottom. For example, if you have several UPS units and
several servers, do not put all of the UPS units into one rack—distribute them
evenly in the bottom positions of each rack.
•
Server Console Switch
—Position the switch box on the side of the rack above
the keyboard, or mount it behind the keyboard.
•
CRT Monitor
—Position the monitor topmost within the rack.
•
Rack Mountable Flat Panel Monitor
—Select a position to accommodate the
desired viewing height (a minimum of 4Us above the keyboard tray).
Additional Considerations
The following are additional items to consider, based on your specific rack
configuration.
•
Power
—If a UPS is installed, do not exceed its output rating. Be sure to review
the installation instructions provided with each component for important cautions
and warnings.
•
PDUs
—Install PDUs before installing other components.
•
Height
—The height of the rack and of rack-mountable components is measured
in U increments. When you are configuring your rack installation, remember that
the total U measurement of the components you want to install cannot exceed the
stated U height of the rack.
•
Keyboard
—The rack keyboard requires prior installation of a 1U Keyboard
Drawer Rack Option Kit.