HP Surestore E Tape Library Model 2/20, User Manual

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Glossary 223
Glossary
home screen The view on the front panel display that provides status information after the
library has been powered on. Also, the default view to which the display
returns after being left idle after approximately three minutes.
host One or more computers that generate and communicate data to the library.
hub A device that provides a multiple port loop interconnect system to implement a
Fibre Channel arbitrated loop using a physical “star” configuration.
HVDS High Voltage Differential SCSI
I
identity A front panel display option that provides the library’s serial number.
IP Internet Protocol
J
jumper cables Cables used to connect the library controller card to a drive. May also be
referred to as daisy-chain cables.
L
latch stop A spring-loaded safety device that protrudes through the mounting rail. The
latch stop allows 2/20, 4/40, and 6/60 tape libraries to be pulled
approximately two-thirds out of a rack, while preventing them from being
pulled out completely.
LEDs Light-emitting diodes, also called lamps, found in various library assemblies,
including drive modules, power supplies, library cards, and internal
assemblies. An LED communicates status information about the assembly.
library A data storage system that stores electronic data on tape media. Depending
on the model, the library can use up to six drive modules.
LTO Linear Tape-Open; a family of tape device and media technologies developed
by Hewlett-Packard, IBM, and Seagate.
LVDS Low Voltage Differential SCSI