Glossary
116 Quantum LTO-7 HH SAS User’s Guide
- Ultra3 SCSI: Uses a 16-bit bus and supports data rates of 80 or
160 MBps.
- Ultra160 SCSI: Uses a 16-bit bus and supports data rates of 80
or 160 MBps.
special feature A feature that can be ordered to enhance the
capability
, storage capacity, or performance of a product, but is
not essential for its basic work.
SRAM Static random access memory.
SS Status store.
standard feature The significant design elements of a product that
are included as
part of the fundamental product.
START Start maintenance.
subsystem A secondary or subordinate system, usually capable of
operatin
g independently of, or asynchronously with, a
controlling system.
sync (Synchronous, synchronize) Occurring with a regular or
predictable time relationship.
T tachometer, tach A device that emits pulses that are used to measure/
check speed or distance.
tape cartridge A container holding magnetic tape that can be
processed with
out separating it from the container.
tape void An area in the tape in which no signal can be detected.
TCP/IP Transmission Control Protocol/Internet Protocol.
TCU Tape control unit.
thread/load operation A procedure that places tape along the tape
path.
U UART Universal asynchronous receiver/transmitter.
unload Prepare the tape cartridge for removal from the drive.
utility programs A computer program in general support of the
processes of a computer; fo
r instance, a diagnostic program.
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