Glossary
Scalar i500 User’s Guide
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FRU (Field Replaceable Unit)
The smallest hardware component that can
be replaced at a customer installation by a certified field service
representative.
G
Gb E or GigE (Gigabit Ethernet)
A transport protocol used for
transmitting data across traditional LANs. GigE is an enhanced
version of the Ethernet protocol that has been used for many
years as the underlying transport technology in IP networks.
GUI (Graphical User Interface)
A computer environment that provides a
visual view of a system by incorporating windows, icons, menus,
and a pointing device. Also referred to as a Windows, Icons,
Mouse, and Pointers (WIMP) interface.
H
HDD (High Density Drive)
A drive that contains increased storage
capacity of bits and/or tracks per square inch.
Home position
Accessor axes positioned at 0 vertical and 0 horizontal,
that serve as the point of reference for the position of other
library components. Home position is used as a basis for
calibration.
Host
In general, a host is a computer or program that contains data
and provides services to other computers or devices. In Fibre
Channel terms, a host is a computer that initiates contact with
storage devices.
Hot swappable
The ability to replace a defective component while the
system continues to function normally.
HTTP (Hypertext Transfer Protocol)
The communication rules by which a
Web browser (client) and a server delivering Web pages
exchange information.
I
I/E (Import/Export or Insert/Eject)
The movement of data or hardware in
and out of processing and storage systems.
I/E slot
A bin that contains a single piece of media in the I/E station.
I/E station
A door on the front of the library that contains tape
magazines, into which cartridges to be imported are placed
manually or cartridges to be exported are placed by the picker.
Interoperability
The capability of two or more hardware devices or two
or more software routines to work together.
