Dahua NVR100 series User Manual page 78

Power input port
MIC IN
Audio input port
MIC OUT
Audio output port
VIEDEO OUT Video output port
High
HDMI
Media Interface
1 1 6 Alarm input port
～
1 ～ 1 6
GND
NO1 ～ N O5 Alarm output port
1 5
～
C1 C 5
～
NC5
A RS-485
communication
port
B
CTRL 12V /
Input AC 100~240V.
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.
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
CVBS output.
High definition audio and video signal output port.
Definition It transmits uncompressed high definition video
and multiple-channel data to the HDMI port of the
display device. HDMI version is 1.3.
There are four groups. The first group is from
port 1 to port 4, the second group is from port
5 to port 8, the third group is from 9 to 12,
and the fourth group is from 13 to 16. 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.
Alarm input ground port.
5 groups of alarm output ports. (Group 1
port NO1
3:port NO3
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.
Controller 12V power output. It is to control the
on-off alarm relay output. It can be used to control
the device alarm output. At the same time, it can
also be used as the power input source of some
devices such as the alarm detector.
～ C 1,Group 2:port NO2 ～
～ C 3, Group 4 ： p ort NO4
：
C 2,Group
～ C 4,
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