17
Figure
2
‐
12
RS
‐
232
cable
Connecting
the
Grounding
Cable
WARNING!
Ensure
that
the
device
is
properly
grounded
to
prevent
personal
injury
and
device
damage
(due
to
lightning
and
interference).
Ensure
that
the
grounding
resistance
does
not
exceed
5
ohms,
and
the
grounding
cable
is
not
longer
than
30
meters.
For
more
information,
refer
to
YD5098
specifications.
Connect
one
end
of
the
grounding
cable
to
the
grounding
terminal
of
the
device,
and
connect
the
other
end
to
a
reliable
grounding
point,
as
shown
in
Figure
2
‐
13
.
Figure
2
‐
13
Connecting
the
grounding
cable
