<s>
A	O
line	B-Algorithm
filter	I-Algorithm
is	O
an	O
electronic	B-Architecture
filter	I-Architecture
that	O
is	O
placed	O
between	O
the	O
mains	O
electricity	O
input	O
and	O
internal	O
circuitry	O
of	O
electronic	O
equipment	O
to	O
attenuate	O
conducted	O
radio	O
frequencies	O
radio	O
frequency	O
interference	O
(	O
RFI	O
)	O
,	O
also	O
known	O
as	O
electromagnetic	O
interference	O
(	O
EMI	O
)	O
.	O
</s>
<s>
A	O
line	B-Algorithm
filter	I-Algorithm
may	O
be	O
incorporated	O
in	O
a	O
connector	O
.	O
</s>
<s>
An	O
AC	B-Algorithm
line	I-Algorithm
filter	I-Algorithm
may	O
be	O
incorporated	O
in	O
a	O
modular	O
IEC	O
60320	O
power	O
inlet	O
connector	O
or	O
power	O
entry	O
module	O
.	O
</s>
<s>
A	O
telephone	B-Algorithm
line	I-Algorithm
filter	I-Algorithm
may	O
be	O
incorporated	O
in	O
a	O
modular	O
RJ11	O
connector	O
.	O
</s>
<s>
A	O
line	B-Algorithm
filter	I-Algorithm
may	O
be	O
mounted	O
on	O
a	O
PCB	O
.	O
</s>
<s>
An	O
AC	B-Algorithm
line	I-Algorithm
filter	I-Algorithm
may	O
be	O
a	O
stand-alone	O
device	O
,	O
chassis	O
mounted	O
inside	O
the	O
equipment	O
.	O
</s>
<s>
A	O
facility	O
AC	B-Algorithm
line	I-Algorithm
filter	I-Algorithm
is	O
mounted	O
inside	O
a	O
room	O
or	O
cabinet	O
,	O
at	O
the	O
point	O
where	O
the	O
AC	O
power	O
comes	O
in	O
.	O
</s>
<s>
A	O
line	B-Algorithm
filter	I-Algorithm
may	O
be	O
used	O
to	O
attenuate	O
EMI	O
in	O
either	O
direction	O
.	O
</s>
<s>
The	O
attenuation	O
of	O
line	B-Algorithm
filters	I-Algorithm
is	O
measured	O
in	O
two	O
areas	O
:	O
</s>
