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Glossary
This glossary defines terms and abbreviations in this publication.
Some of the definitions are taken from other glossaries. The letters in the parentheses
that follow some definitions indicate the source of the definition:
(A) The American National Standard Dictionary for Information Systems, ANSI
X3.172-1990, copyright 1990 by the American National Standards Institute (ANSI).
(E) The ANSI/Electronic Industries Association (EIA) Standard-440-A, Fiber Optic
Terminology.
(I) The Information Technology Vocabulary, developed by Subcommittee 1, Joint
Technical Committee 1, of the International Organization for Standardization and
International Electro-technical Commission (ISO/IEC/JTC1/SC1).
(IBM) The IBM Dictionary of Computing, copyright 1994 by IBM.
(T) Draft international standards committee drafts, and working papers being
developed by the ISO/IEC/JTC1/SC1.
alphanumeric
A character or group of characters that identifies a register, a particular part of storage,
or some other data source or destination. (A).
arm
The robotic assembly that is lowered between the columns of tapes. The arm hangs on
four wires from the Z mechanism. The arm includes the hand, the rails the hand rides
on, the track motor that moves the hand along the rails, and the KLT card.
audit
The process of recording the location of all tapes in a library.
bar code
A code consisting of a series of bars of varying widths. This code appears on the
external label attached to the spine of a tape cartridge and is equivalent to the volume
serial number (VOLSER). This code is read by the machine vision system of the library.
base chassis
The sheet metal and plastic chassis that makes up the framework of Module 1.
base module
The smallest, fully functional library consisting of the base chassis with the midplane,
robot, front control panel, mailslot, one or two power supplies, up to two half-height
LTO Ultrium tape drives, left magazine, and right magazine.
Glossary-1
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