Telnet. See Telnet Service Port.
Telnet Service Port. A network protocol used by
service personnel, under direction by support
personnel, to access the library. TELNET clients are
used, often when diagnosing problems, to manually
″talk″ to other services without specialized client
software.
TH. Thermal.
thread/load operation. A procedure that places tape
along the tape path.
TM. Tapemark.
U
UART. Universal asynchronous receiver/transmitter.
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 contained
within the tape drive that requires nonvolatile storage
used by functional areas of the drive, and information
required for manufacturing, RAS, and engineering.
W
word. A character string that is convenient for some
purpose to consider as an entity.
World Wide Node Name (WWNN). In a fibre channel
connected library, the Drive ID as listed in the Web
User Interface.
Write. Write command.
WT. world trade.
X
XR. External register.
XRA. External register address register.
Glossary H-9
