Appendix A: Glossary - HP MCS Manual

Appendix a: glossary

Table 8 lists technical terms and associated description.
Table 8. Definition of technical terms
Term
Chassis
Dedicated circuit branch
Dynamic loading capacity
Electronic Industries Association (EIA)
Electromagnetic interference (EMI)
Electrostatic discharge (ESD)
EOL (End of Life)
fixed stabilizer
keyboard/video/mouse (KVM) switch
PDU
PNP (Plug-and-Play)
static loading capacity
U
UPS (uninterruptible power supply)
Definition
Rack-mountable configuration of a server or a storage
component.
A dedicated electrical circuit between a source and
distribution point.
A dynamic environment is one where the HP MCS is
shipped on a shock pallet with equipment installed or
rolling HP MCSs with equipment installed to new
locations within the data center.
An American association of electronic manufacturers
that sets standards, disseminates information, provides
industry-government liaison, and public relations.
Disturbances of equipment operation caused by
electromagnetic fields from other sources.
The flow of current across two devices that have
unintentionally accumulated differences in electrical
potential.
A term used for signifying discontinuation of products.
An anti-tip stabilizer providing stability and support
when equipment is installed, removed, or accessed
within the HP MCS.
A switch that allows a single keyboard, video display
monitor, and mouse to be switched to any of a number
of computers.
Power Distribution Unit
A standard that gives computer users the ability to plug
a device into a computer and have the computer
recognize that the device is connected.
A static environment is one where the HP MCS is
positioned into placed and the leveling feet are
extended prior to equipment being installed.
A standard unit of measure for designating the height
in computer enclosures and HP MCS cabinets. One U
equals 1.75 inches (44.5 mm). Measurements typically
go from the bottom of the HP MCS up.
For example, a 4U chassis is 7 inches (177.8 mm)
high. A 42U cabinet has 73.5 inches (1866.9 mm) of
usable mounting space.
A device that allows a computer to continue running for
at least a short time after the primary power source is
lost.
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