Port/
Quantity
Description
Remarks
button
Subcard
slot
1
Subcard
slot
Note
:
Either
an
EPON
subcard
or
a
dual
‐
port
SFP
subcard
can
be
installed.
Holds
subcard
after
the
blank
filler
panel
is
removed
Note
:
The
DVS4001
‐
IN
support
the
EPON
subcard
only.
The
DVS4004
‐
IN
support
the
EPON
subcard
or
dual
‐
port
SFP
subcard.
NOTE!
Select
an
appropriate
optical
module
according
to
the
ambient
temperature.
If
the
Ethernet
optical
port
is
used
outdoors,
the
upper
limit
of
temperature
on
the
used
optical
module
should
be
above
85°C
(185°F)..
Table
1
‐
3
Description
of
the
ports
on
the
rear
panel
Port
Quantity
Description
Remarks
VIDEO
IN
DVS4001
‐
IN:
1
Analog
composite
video
input
BNC
port
75
ohm,
1V
(P
‐
P)
Receives
analog
video
signals
from
cameras
and
DVDs
DVS4004
‐
IN:
4
VIDEO
OUT
DVS4001
‐
IN:
1
Analog
loopback
composite
video
output
BNC
port
75
ohm,
1
V
(P
‐
P)
Outputs
analog
loopback
video
signals
to
analog
signal
display
devices,
like
monitors
5
