Dell TL2000 User Manual
Page 256
SE.
Single-ended.
Secure
Sockets
Layer.
See
SSL.
segment.
A
part.
sel.
Select.
Serial
Attached
SCSI
(SAS).
A
drive
sled
with
a
SAS
interface
can
be
linked
directly
to
controllers.
SAS
is
a
performance
improvement
over
traditional
SCSI
because
SAS
enables
multiple
devices
(up
to
128)
of
different
sizes
and
types
to
be
connected
simultaneously
with
thinner
and
longer
cables;
its
full-duplex
signal
transmission
supports
3.0
Gb/s.
In
addition,
SAS
drives
can
be
hot-plugged.
serialize.
To
change
from
parallel-by-byte
to
serial-by-bit.
serializer.
A
device
that
converts
a
space
distribution
of
simultaneous
states
representing
data
into
a
corresponding
time
sequence
of
states.
servo,
servos.
An
adjective
for
use
in
qualifying
some
part
or
aspect
of
a
servomechanism.
servomechanism.
A
feedback
control
system
in
which
at
least
one
of
the
system
signals
represents
mechanical
motion.
Simple
Network
Management
Protocol.
SNMP,
a
standard
TCP/IP
protocol
to
send
alerts
about
conditions
(such
as
need
for
operator
intervention)
over
a
TCP/IP
LAN
network
to
an
SNMP
monitoring
station.
Slot
Blocker.
A
slot
blocker
is
used
to
restrict/close
off
a
data
cell
so
a
data
cartridge
cannot
be
placed
there.
This
blocker
can
easily
be
removed.
Small
Computer
Systems
Interface
(SCSI).
A
standard
used
by
computer
manufacturers
for
attaching
peripheral
devices
(such
as
tape
drives,
hard
disks,
CD-ROM
players,
printers,
and
scanners)
to
computers
(servers).
Pronounced
“scuzzy”.
Variations
of
the
SCSI
interface
provide
for
faster
data
transmission
rates
than
standard
serial
and
parallel
ports
(up
to
160
megabytes
per
second).
The
variations
include:
v
Fast/Wide
SCSI:
Uses
a
16-bit
bus,
and
supports
data
rates
of
up
to
20
MBps.
v
SCSI-1:
Uses
an
8-bit
bus,
and
supports
data
rates
of
4
MBps.
v
SCSI-2:
Same
as
SCSI-1,
but
uses
a
50-pin
connector
instead
of
a
25-pin
connector,
and
supports
multiple
devices.
v
Ultra
SCSI:
Uses
an
8-
or
16-bit
bus,
and
supports
data
rates
of
20
or
40
MBps.
v
Ultra2
SCSI:
Uses
an
8-
or
16-bit
bus
and
supports
data
rates
of
40
or
80
MBps.
v
Ultra3
SCSI:
Uses
a
16-bit
bus
and
supports
data
rates
of
80
or
160
MBps.
v
Ultra160
SCSI:
Uses
a
16-bit
bus
and
supports
data
rates
of
80
or
160
MBps.
SNMP.
Simple
Network
Management
Protocol,
a
standard
TCP/IP
protocol
to
send
alerts
about
conditions
(such
as
need
for
operator
intervention)
over
a
TCP/IP
LAN
network
to
an
SNMP
monitoring
station.
SNS.
Sense.
special
feature.
A
feature
that
can
be
ordered
to
enhance
the
capability,
storage
capacity,
or
performance
of
a
product,
but
is
not
essential
for
its
basic
work.
SRAM.
Static
random
access
memory.
SS.
Status
store.
SSL.
SSL,
or
Secure
Socket
Layer
is
a
cryptographic
protocol
that
provide
secure
communications
on
the
Internet
for
such
things
as
web
browsing,
EKM
communication,
Internet
faxing,
instant
messaging
and
other
data
transfers.
This
protocol
allows
applications
to
communicate
across
a
network
in
a
way
designed
to
prevent
eavesdropping,
tampering,
and
message
forgery.
ST.
Store.
standard
feature.
The
significant
design
elements
of
a
product
that
are
included
as
part
of
the
fundamental
product.
START.
Start
maintenance.
subsystem.
A
secondary
or
subordinate
system,
usually
capable
of
operating
independently
of,
or
asynchronously
with,
a
controlling
system.
SUPP.
Support.
sync.
Synchronous,
synchronize.
Occurring
with
a
regular
or
predictable
time
relationship.
T
tachometer,
tach.
A
device
that
emits
pulses
that
are
used
to
measure/check
speed
or
distance.
tape
cartridge.
A
container
holding
magnetic
tape
that
can
be
processed
without
separating
it
from
the
container.
tape
void.
An
area
in
the
tape
in
which
no
signal
can
be
detected.
TCP/IP.
Transmission
Control
Protocol/Internet
Protocol.
TCU.
Tape
control
unit.
H-8
Dell
PowerVault
TL2000
Tape
Library
and
TL4000
Tape
Library
User's
Guide