http://www.kaidengdg.com
interference
between
the
different
groups;
WVC
Modem
have
two
standard
interfaces
,
one
is
RS232
standard(the
distance
RS232
standard
installation
must
not
be
more
than
15
meters),
the
other
is
RS485
standard
(
RS485
standard
installation
must
not
be
more
than
1200
m
distance).
We
need
according
to
the
size
of
the
power
system
and
installation
distance
to
choose
the
standard,
we
recommendations
like
below
：
1.
If
the
system
has
only
one
group
and
WVC
Modem
distance
less
than
15
meters,
we
can
choose
RS232
standard
interface
；
2.
If
the
system
have
more
than
1
group
or
WVC
Modem
installation
distance
is
more
than
15
meters,
we
need
to
choose
RS485
standard
interface
；
In
the
whole
power
system,
WVC
Modem
system
simple
structure
schemes
like
below:
(detailed
installation
chart
please
see
KaiDeng
communication
power
generation
system
installation
structure
guide)
：
2.2
Equipment
components
KaiDeng
WVC
Modem
standard
components
including
：
1.
WVC
Modem
unit
(Integrated
switching
power
supply/power
line
/plug)
；
2
