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2-Glossary
attaching multiple fibre channel
ports in a loop without switches.
front panel display An LCD
(liquid crystal display), equipped
with five soft keys, mounted on the
front of the library (top level on
multi-level libraries) that controls
all library functions.
G
GBIC Gigabit Interface Converter
H
hard errors Electronic errors in
library functions that cannot be
recovered. These errors are
recorded in the hard error log.
HBA Host Bus Adapter - A circuit
board residing in the host system
that handles requests to and from
the host system and the library.
May also be referred to as a host
interface card.
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 device
that protrudes through the
mounting rail. The latch stop
allows the library to be pulled
approximately two-thirds out of a
rack, but prevents it from being
pulled all the way out.
LEDs Light-emitting diodes, also
called lamps, found in various
library assemblies, including drive
modules, power supplies, library
cards, and other internal
assemblies. A LED communicates
status information about the
assembly.