Power
input
The
unit
provides
a
5
‐
pin
terminal
block.
It
can
be
operated
using
48
‐
57
V
DC
power
source.
Always
make
sure
your
input
voltage
is
within
this
supported
voltage
range.
To
connect
power:
This
unit
supports
two
power
inputs.
Follow
the
printed
polarity
for
+V1
‐
,
+V2
‐
and
ground.
Connect
positive
wires
to
V+,
connect
negative
wires
to
V
‐
,
and
connect
a
neutral
wire
to
the
ground
mark.
+V1
‐
is
for
power
input
one
connection
(PWR1).
+V2
‐
is
for
power
input
two
connection
(PWR2).
Figure:
Besides
the
terminal
block,
the
switch
can
be
powered
via
PoE
by
using
port
8
as
power
input.
Use
a
PoE
injector
or
switch
with
IEEE802.3bt
standard
to
power
the
switch
via
PoE.