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62 Glossary
cartridge
A storage medium item. A cartridge is sometimes called a tape or
cassette and is capable of storing vast amounts of magnetically-
written data. The DLT drives in the Scalar Library uses
CompacTape III, IIIXT, and/or IV cartridges.
cleaning cartridge
Media used to clean the drive heads and tape path.
DLT
DLT (Digital Linear Tape) is the industry-standard data
interchange recording format that supports the use of DLT for
computer applications.
DLT media cartridge
Media used with the DLT drive in the Scalar Library unit. It is a 4-
inch cartridge containing either 1100 or 1800 feet of ½-inch metal-
particle tape. These cartridges require no formatting or other media
conditioning before use.
DLT drive
Drive used in the Scalar 448.
FCC
Federal Communications Commission
HSM
Hierarchical Storage Management – a system where different types
of storage medium are used based on cost and time efficiency. For
example, for fastest access, data is usually stored on a local drive.
If you have a very large file that is needed occasionally, you may
store it on a tape in the Scalar 448, or on an optical drive. In an
HSM system, the data source should be transparent to the user.
LCD
Liquid Crystal Display, a commonly used alphanumeric display
that responds to specified input voltages and signals
LED
Light Emitting Diode, a commonly used semiconductor device that
glows when supplied with a specified voltage.
load
The process where the Scalar Library uses the Media Picker to
pick a cartridge from either a cartridge storage slot location, or
from a Mailbox (Scalar 458 only) slot and load it into a drive.
POST
Power-On Self-Test is a built-in self-test for the DLT drive. POST
automatically occurs each time the Scalar Library powers up.
RMA
Return Merchandise Authorization.
RMA number
An identifying number given to a customer who needs to return
equipment for repair, whether under warranty or not.
SCSI
Small Computer System Interface. An industry standard for
connecting peripheral devices and their controllers to a
microprocessor. The SCSI defines both hardware and software
standards for communication between a host computer and a
peripheral.
SCSI ID
The octal representation of the unique address (0 to 7) assigned to
a SCSI device.