Optiview HDVR4/8/16-Q2 User Manual page 34

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4 MIC OUT
5 MIC IN
6 AUDIO OUT
7 VIDEO OUT
1～8
8
NO1～NO5
C1～C5
NC5
A
B
Name
Audio output port
Audio input port
Audio output port
Video output port
Alarm input port 1～
8
Alarm output port
1～5
RS-485
communication port
Note
Audio output port. It is to output the
analog audio signal to the devices
such as the sound box.
Bidirectional talk input port. It is to
receive the analog audio signal
output from the devices such as
microphone, pickup.
Audio output port. It is to output the
analog audio signal to the devices
such as the sound box.
Connect to video output devices
such as TV.

There are two groups. The first
group is from port 1 to port 4;
the second group is from port 5
to port 8. They are to receive
the signal from the external
alarm source. There are two
types; NO (normal open)/NC
(normal close).

When your alarm input device
is using external power, please
make sure the device and the
NVR have the same ground.

5 groups of alarm output ports.
(Group 1： port NO1～C1,Group
2:port NO2 ～ C2,Group 3:port
NO3 ～ C3, Group 4 ： port
NO4～C4, Group 5: port NO5,
C5, NC5).Output alarm signal
to the alarm device. Please
make sure there is power to the
external alarm device.

NO: Normal open alarm output
port.

C: Alarm output public end.

NC: Normal close alarm output
port.
RS485_A port. It is the cable A. You
can connect to the control devices
such as speed dome PTZ.
RS485_B.It is the cable B. You can
connect to the control devices such
as speed dome PTZ.
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