tape cartridge
A container that holds magnetic tape that can be processed without separating the tape from the
container.
tape void
An area in the tape in which no signal can be detected.
target
A name for fiducial.
This term is used in some non-IBM documentation to describe the white fiducials or targets that are
read by an optical device. They are used to align the cartridge accessor to the drives and cartridge
storage cells.
taut
A condition of the tape on a reel, when the tape has no looseness, give, or slack.
TCP/IP
Transmission Control Protocol/Internet Protocol. When in a tape library, the LAN communication path
between the host and the library manager.
A set of communication protocols that support peer-to-peer connectivity functions for both local and
wide area networks.
TCU
Tape control unit.
Synonym for tape controller.
tera
Prefix for 'trillion' in American system (10
12
).
TH
Thermal
thread/load operation
A procedure that places tape along the tape path.
throat
Cavity of drive that is located beyond bezel and mouth.
TM
Tapemark.
Trademark.
topology
The spatial arrangement of communication nodes in a Distributed Computing Environment.
TS3000 System Console (TSSC)
IBM product that allows service access to other products.
Formerly called the TotalStorage Master Console.
TSSC
(TS3000 System Console).
tty
In the AIX operating system, any device that uses the standard terminal device interface. Tty devices
typically complete input and output on a character-by-character basis.
U
UART
Universal asynchronous receiver/transmitter.
unlabeled tape
A tape cartridge that does not have a VOLSER written on the tape media, and is often identifiable by
not having a bar code label that is affixed to it.
unload
Prepare the tape cartridge for removal from the drive.
Glossary 317