Dahua HDCVI series, Руководство пользователя

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37
Figure 2-7
Please refer to the following sheet for detailed information.
SN Icon Name Note
1 Power switch Power on/off button.
2 1
～
4 Alarm input
port 1
～
4

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 DVR
have the same ground.
NO1
～
NO3
Alarm output
port 1
～
3

3 groups of alarm output ports. (Group 1
：
port
NO1
～
C1,Group 2:port NO2
～
C2,Group 3:port
NO3
～
C3
）
).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.
C1
～
C3
3 Power input
port
Input DC 12V/5A.
4 AB RS-485
communicati
on 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.
5 AUDIO IN
Audio input
port
It is to receive the analog audio signal output from the
devices such as mike phone, pickup.
6 VIDEO IN
Video input
port
Connect to analog camera to input video signal.
7 GND Alarm input ground port.
8 AUDIO
OUT
Audio output
port
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
9 HDMI High
Definition
Media
Interface
High definition audio and video signal output port. It
transmits uncompressed high definition video and
multiple-channel data to the HDMI port of the display
device.
10 USB2.0 port USB2.0 port. Connect to mouse, USB storage device,
USB burner and etc.
11 VGA VGA video
output port
VGA video output port. Output analog video signal. It
can connect to the monitor to view analog video.