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HP Netserver High Density Rack Solutions Overview (LP 2000r)
Glossary
This glossary provides entry-level explanations of common words and phrases used when mounting multiple
servers in racks. Detailed HP product information is available in numerous documents available from Hewlett-
Packard, such as technical data sheets and configuration guides. You can find them on our website at
h t t p : / / w w w. h p . c o m / r a c k s o l u t i o n s / m e n u _ l i t . h t m l .
1U – One EIA rack unit or 44.45 mm (1.75 inches) of vertical rack space. The
height of devices, when mounted in racks, are often expressed in multiples of
"units", for example, a 2U device requires two times 44.45 mm (1.75 inches) or a
total of 88.9 mm (3.5 inches) of vertical space in a rack. The actual device will in
reality be of slightly less height to eliminate mechanical interference with adjacent
devices.
Cable Management – Refers to a method of organizing and routing cables
(power and data) in the rear of the rack. Effective cable management means to
secure and bundle cables with the capability to efficiently route and channel the
cables in an organized fashion. HP offers a Rack Cable Management Kit (J1481A)
to provide a solution for the high-density rack environments associated with the
HP Netserver LP 2000r.
Console (sometimes referred to as a console system or KVM system) – Consists
of the video monitor, keyboard and mouse connected directly, or via a console
switch, to the rackmounted server for system administration purposes. Remote
management technologies enable the console and server to be physically separated.
Console Switch – A device that allows a user to operate multiple servers with
a single keyboard, monitor, and mouse.
KVM – Abbreviation for Keyboard/Video (Monitor)/Mouse as used in "KVM cable"
or "KVM switch." A console switch (above) is often referred to as a KVM switch.
PDU or Power Distribution Unit – Generally refers to a "power strip" with built-in
power protection and mounted within the rack to furnish AC power to a group of
rackmounted servers.
Rackmount Flat Panel Display – A system by which a flat panel monitor,
keyboard, and pointing device can be rack mounted to be used as system console
but only requiring 2U of “vertical rack space” instead of 13U as is common with
traditional monitor and keyboard combinations.