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Dell PowerVault TL1000 User Manual

Page 186

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TCU

Tape control unit.

TDT

Tape Diagnostic tool.

TH

Thermal.

thread/load operation

A procedure that places tape along the tape path.

TM

Tapemark.

transport mode

End-to-end communications security in which the end-point computers do
the security processing.

trusted certification

In cryptography, a trustworthy certificate that is not registered with a
certificate authority.

tunnel mode

Port-to-port communications security in which security is provided to
several machines by a single node.

U

UART

Universal asynchronous receiver/transmitter.

UL

Underwriter's Laboratories.

Ultrium Tape Drive

Located within the library, a data-storage device that controls the
movement of the magnetic tape in an LTO Ultrium Tape Cartridge. The
drive houses the mechanism (drive head) that reads and writes data to the
tape.

unload

Prepare the tape cartridge for removal from the drive.

utilities

Utility programs.

utility programs

A computer program in general support of the processes of a computer; for
instance, a diagnostic program.

uv

Under voltage.

V

VOLSER

Volume serial number.

volume

A certain portion of data, together with its data carrier, that can be handled
conveniently as a unit.

VPD

Vital product data. The information that is contained within the tape drive
that requires nonvolatile storage that is used by functional areas of the
drive, and information that is required for manufacturing, RAS, and
engineering.

W

word

A character string that is convenient for some purpose to consider as an
entity.

F-18

Dell PowerVault TL1000 Tape Autoloader User's Guide

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