Components and Interfaces
61287722G1-5B
11
UPS Power Supply
The
power
feed
must
be
UL
Listed
ITE
SPS
having
an
Limited
Power
Supply
(LPS)
Output
rated
at
12
VDC,
minimum
2
A,
and
suitable
for
the
intended
location.
The
SBU
ONT
utilizes
an
uninterruptible
power
supply
(UPS).
An
UPS
(see
)
is
a
battery
backup
system
designed
to
continue
providing
power
when
the
primary
power
source
is
lost.
When
the
UPS
senses
a
loss
of
power
from
the
primary
source,
the
backup
battery
is
activated
to
provide
power
for
a
short
period
of
time.
Figure 3. Uninterruptible Power Supply (UPS)
Power
is
supplied
to
the
SBU
ONT
by
an
UPS
local
power
source
with
battery
backup
that
utilizes
the
AC
power
at
the
customer
premises.
The
unit
powers
the
SBU
ONT
and
functions
as
a
battery
backup
supplying
continuous
12
VDC.
It
contains
one
sealed,
lead
‐
acid
battery
for
power
backup.
If
the
battery
is
disconnected,
the
SBU
ONT
is
not
protected
from
power
outages,
and
will
send
a
“Battery
Missing”
alarm
to
the
OLT.
Install
the
UPS
per
the
specifications
recommended
by
the
manufacturer.
ONT
Power Converter
Battery Charger
Alarms
Battery
Backup
Alarms
12V DC
85V AC-
264V AC
UPS
Содержание 1287722G1
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