S
s
Seconds
of
time.
SAC
Service
Action
Code.
Code
developed
to
indicate
possible
FRU
or
FRU’s
to
replace
to
repair
the
hardware.
SAS
Serial
attached
SCSI
interface.
scratch
cartridge
A
data
cartridge
that
contains
no
useful
data,
but
can
be
written
to
with
new
data.
SCSI
Small
computer
system
interface.
segment
A
part.
sel
Select.
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.
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.
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.
SR
Service
representative,
see
also
CE
.
G-12
TS2240
Tape
Drive
Setup,
Operator
and
Service
Manual
Содержание System Storage TS2240
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Страница 140: ...Part Number 45E1880 Printed in USA GC27 2151 00 1P P N 45E1880...
