6
2.2
Wiring
Power
Inputs
The
switch
provides
two
types
power
input,
AC
power
input
and
DC
power
input.
It
also
provides
redundant
or
aggregated
power
inputs,
depending
on
the
voltage
of
power
input.
If
there
are
over
two
power
inputs
are
connected
with
different
voltages,
it
will
be
powered
from
the
highest
connected
voltage
(redundant
power).
If
the
voltages
of
power
inputs
are
the
same,
the
total
power
output
will
be
aggregated
(aggregaged
power).
AC
Power
Input
Connect
the
attached
power
cord
to
the
AC
power
input
connector,
the
available
AC
power
input
is
range
from
90
‐
264VAC.
High
Voltage
Power
Input
The
power
input
support
both
90
‐
264VAC
and
127
‐
370VDC
power
input.
Connect
the
power
cord
to
the
PE
for
Protective
Earth,
L
/
V+
for
LINE
or
V+,
N/V
‐
for
Neutral
or
V
‐
.
For
high
power
input,
tighten
the
wire
‐
clamp
screws
to
prevent
DC
wires
from
being
loosened
is
must.
DC
Power
Inputs
The
range
of
the
available
DC
power
input
is
from
46
‐
57VDC.
In
the
IEEE802.3at
mode,
the
PoE
power
output
is
50~57
VDC,
0.6A,
therefore,
the
suggested
DC
power
input
ranges
is
52~57V.
In
the
IEEE802.3af
mode,
the
PoE
power
output
is
44~57
VDC,
0.35A,
therefore,
the
suggested
DC
power
input
is
46~57VDC.
If
the
DC
power
input
is
53V,
the
unit
will
aggregate
the
power
with
the
AC
power
input,
if
any.
Follow
below
steps
to
wire
the
redundant
or
aggregated
DC
power
inputs.
[p2]
1.
Insert
positive
and
negative
wires
into
V+
and
V
‐
contacts
respectively
of
the
terminal
block
connector.
2.
Tighten
the
wire
‐
clamp
screws
to
prevent
DC
wires
from
being
loosened.
3.
DC1
and
DC2
support
polarity
reverse
protection
functions.
53VDC
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