5
z
Do
not
expose
but
well
protect
the
tail
end
of
the
tail
cable.
Ensure
that
the
tail
cable
area
is
waterproof,
and
avoid
immersing
the
tail
cable
in
accumulated
water.
z
Ensure
that
the
voltage
of
the
high
‐
level
signal
of
the
alarm
input
interface
is
lower
than
5
V
DC
when
the
alarm
input
interface
is
connected.
z
Ensure
that
the
hardness
of
the
wall
or
ceiling
can
bear
the
weight
of
the
device
when
mounting
the
device
on
the
wall
or
ceiling.
3
Installation
Ceiling
Mounting
You
can
adopt
wall
mounting
or
ceiling
mounting
and
purchase
hardware
fittings
by
yourself.
The
following
part
takes
wall
mounting
as
an
example.
Ceiling
mounting
is
similar
to
walling
mounting
and
therefore
is
omitted
here.
1.
Determine
positions
of
holes.
Summary of Contents for IPC220 Series
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