persists
for
more
than
five
minutes
after
a
SAN
Volume
Controller
2145-4F2
has
been
connected
to
a
2145
UPS
and
powered
on.
On
button
The
on
button
turns
on
the
main
power
to
the
2145
uninterruptible
power
supply
(2145
UPS).
To
turn
on
the
power,
press
and
hold
the
on
button
until
you
hear
a
beep
(approximately
one
second).
The
mode
indicator
stops
flashing
and
the
load-level
indicators
display
the
percentage
of
load
that
is
being
applied
to
the
2145
UPS.
Off
button
The
off
button
turns
off
the
main
power
to
the
2145
uninterruptible
power
supply
(2145
UPS).
Attention:
Never
use
the
off
button
unless
you
are
specifically
directed
to
in
the
instructions
that
are
provided
with
the
SAN
Volume
Controller
2145-4F2.
If
you
press
it
at
any
other
time,
you
might
lose
data
in
the
cluster
if
the
other
2145
UPS
fails.
To
turn
off
the
power,
press
and
hold
the
off
button
until
the
long
beep
stops
(approximately
five
seconds).
The
mode
indicator
starts
to
flash
and
the
2145
UPS
remains
in
standby
mode
until
you
disconnect
the
2145
UPS
from
the
main
power
outlet.
Load-level
indicators
The
load-level
indicators
show
the
percentage
of
the
2145
uninterruptible
power
supply
(2145
UPS)
capacity
that
the
SAN
Volume
Controller
2145-4F2
is
using.
When
all
the
indicators
are
lit,
the
power
requirements
of
the
SAN
Volume
Controller
2145-4F2
have
exceeded
the
capacity
of
the
2145
UPS.
Site
wiring
fault
indicators
The
site
wiring
fault
indicator
on
the
2145
uninterruptible
power
supply
(2145
UPS)
shows
that
either
a
ground
wire
connection
does
not
exist
or
the
live
and
neutral
wires
are
reversed
in
the
input
power
connection.
The
site
wiring
fault
indicator
is
located
on
the
front
panel
of
the
2145
UPS.
Battery
service
indicator
The
battery
service
indicator
is
located
on
the
front
panel
of
the
2145
uninterruptible
power
supply
(2145
UPS)
and
shows
that
the
charge
in
the
battery
has
become
low
while
the
2145
UPS
is
in
battery
mode.
The
alarm
continues
to
beep
once
every
five
seconds.
The
application
programs
immediately
complete
and
save
the
work
to
prevent
loss
of
data.
If
the
2145
UPS
shuts
down,
it
automatically
restarts
when
the
main
power
returns.
Battery
mode
indicator
The
battery
mode
indicator
shows
that
the
2145
uninterruptible
power
supply
(2145
UPS)
is
operating
on
batteries.
38
IBM
System
Storage
SAN
Volume
Controller:
Installation
Guide
Summary of Contents for 2145-4F2
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