Installing
EPON
Subcard
or
Dual
‐
Port
SFP
Subcard
As
shown
in
Figure
2
‐
2
or
Figure
2
‐
3
,
remove
screws,
take
down
the
blank
filler
panel,
insert
the
recommended
EPON
subcard
or
dual
‐
port
SFP
subcard,
and
then
fasten
captive
screws.
Figure
2
‐
2
Installing
EPON
subcard
(Take
the
DVS4004
‐
IN
as
an
example)
Figure
2
‐
3
Installing
the
dual
‐
port
SFP
subcard
(Take
the
DVS4004
‐
IN
as
Installing
rtain
conditions.
For
details,
le
Connection
Guide
.
Horizontal
you
need
to
place
the
DVS4000
horizontally
inside
the
protective
box.
an
example)
the
DVS4000
in
an
Outdoor
Protective
Box
The
outdoor
protective
box
must
meet
ce
refer
to
DVS/DC
Cab
Placement
For
an
outdoor
protective
box
on
the
ground,
12