Quantum PowerStor L200, User Manual

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Glossary
Quantum|ATL PowerStor L200 Series Library User’s Guide 89
element
A SCSI designation for any device or bin in the library
that can hold a DLT cartridge. SCSI elements include storage bins,
tape drives, load port bins, and the gripper.
error message
A message appearing on the host computer or
library control panel screen informing you that the program was
unable to carry out the desired operation.
execute
To carry out the instructions in a computer program.
F
FCC Class A
Standard established by the U.S. Federal
Communications Commission governing electromagnetic
emissions in a commercial environment.
FRU
Field-replaceable unit—A term given to parts of the library
that are designed to be replaced onsite.
FSE Field Service Engineer.
H
Host or host computer
The computer that issues SCSI commands
to control the library robotics and tape drives.
HVD
High-voltage differential—A standard method of driving
SCSI cables that has been in use for years.
I
inventory
An operation in which the library determines the
identity and location of all tape cartridges and SCSI elements.
K
KB
Kilobyte—A standard unit of measure for computer memory
equal to 1,024 bytes. For example, 8 KB is equal to 8,192 bytes.
L
LCD
Liquid crystal display—An electro-optical device used to
display digits, characters or images, commonly used in digital
watches, calculators, and portable computers.
LED
Light-emitting diode—a type of diode that emits light when
current passes through it. LEDs are used as indicator lights.
LVD
Low-voltage differential — a method of driving SCSI cables
which uses less power than HVD and will allow higher transfer
speeds.