GBIC.
Gigabit
Interface
Converter.
Gbi.
gigabit
gigabit
(Gbit).
1
000
000
000
bits.
gigabyte
(GB).
1
000
000
000
bytes.
Gigabit
Interface
Converter
(GBIC).
Converts
copper
interface
to
optic
interface.
gnd.
Ground.
H
hertz
(Hz).
Unit
of
frequency.
One
hertz
equals
one
cycle
per
second.
hex.
Hexadecimal.
High
Voltage
Differential
(HVD).
A
logic
signaling
system
that
enables
data
communication
between
a
supported
host
and
the
library.
HVD
signaling
uses
a
paired
plus
and
minus
signal
level
to
reduce
the
effects
of
noise
on
the
SCSI
bus.
Any
noise
injected
into
the
signal
is
present
in
both
a
plus
and
minus
state,
and
is
thereby
canceled.
Synonymous
with
differential
.
HVD.
SCSI
Bus
High
Voltage
Differential
Hz
.
Hertz
(cycles
per
second).
I
IBM
Ultrium
Tape
Drive.
Located
within
the
library,
a
data-storage
device
that
controls
the
movement
of
the
magnetic
tape
in
an
IBM
LTO
Ultrium
Tape
Cartridge.
The
drive
houses
the
mechanism
(drive
head)
that
reads
and
writes
data
to
the
tape.
ID.
Identifier.
identifier
(ID).
(1)
In
programming
languages,
a
lexical
unit
that
names
a
language
object;
for
example,
the
names
of
variables,
arrays,
records,
labels,
or
procedures.
An
identifier
usually
consists
of
a
letter
optionally
followed
by
letters,
digits,
or
other
characters.
(2)
One
or
more
characters
used
to
identify
or
name
data
element
and
possibly
to
indicate
certain
properties
of
that
data
element.
(3)
A
sequence
of
bits
or
characters
that
identifies
a
program,
device,
or
system
to
another
program,
device,
or
system.
IML.
Initial
microprogram
load.
initial
microprogram
load
(IML)
.
The
action
of
loading
a
microprogram
from
an
external
storage
to
writable
control
storage.
initiator.
The
component
that
executes
a
command.
The
initiator
can
be
the
host
system
or
the
tape
control
unit.
INST.
Installation.
interface.
A
shared
boundary.
An
interface
might
be
a
hardware
component
to
link
two
devices
or
it
might
be
a
portion
of
storage
or
registers
accessed
by
two
or
more
computer
programs.
interposer.
The
part
used
to
convert
a
68-pin
connector
to
a
50-pin
D-shell
connector.
intervention
required.
Manual
action
is
needed.
INTRO.
Introduction.
I/O.
Input/output.
IOP.
Input/output
processor.
IPL.
Initial
program
load.
ITST.
Idle-time
self-test.
K
kilogram
(kg).
One
thousand
grams
(approximately
2.2
pounds).
km.
kilometer.
1000
Meters,
Approximately
5/8
mile.
L
LAN
.
Local
area
network.
A
computer
network
within
a
limited
area.
LCD.
See
liquid
crystal
display
.
LED.
Light-emitting
diode.
Linear
Tape-Open
(LTO).
A
type
of
tape
storage
technology
developed
by
the
IBM
Corporation,
Hewlett-Packard,
and
Certance.
LTO
technology
is
an
“open
format”
technology,
which
means
that
its
users
will
have
multiple
sources
of
product
and
media.
The
“open”
nature
of
LTO
technology
enables
compatibility
between
different
vendors’
offerings
by
ensuring
that
vendors
comply
with
verification
standards.
The
LTO
technology
is
implemented
in
two
formats:
the
Accelis
format
focuses
on
fast
access;
the
Ultrium
format
focuses
on
high
capacity.
The
Ultrium
format
is
the
preferred
format
when
capacity
(rather
than
fast
access)
is
the
key
storage
consideration.
An
Ultrium
cartridge
has
a
compressed
data
capacity
of
up
to
800
GB
(2:1
compression)
and
a
native
data
capacity
of
up
to
400
GB.
liquid
crystal
display
(LCD).
A
low-power
display
technology
used
in
computers
and
other
I/O
devices.
loadable.
Having
the
ability
to
be
loaded.
LTO
cartridge
memory
(LTO-CM).
Within
each
LTO
Ultrium
data
cartridge,
an
embedded
electronics
and
F-4
TS3310
Tape
Library
Setup
and
Operator
Guide
Summary of Contents for System Storage TS3310
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