User’s Manual
35
5
Audio input port
(MIC IN)
Tow-way talk input port which receives analog audio signal output
from the devices such as microphone and pickup.
6
Audio output port
(MIC OUT)
Tow-way talk output port which outputs the analog audio signal to
the devices such as the sound box.
7 Audio output port
Outputs audio signal to the devices such as the sound box.
8 Video output port
Connects to video output devices such as TV.
9 Video input port Connects to analog camera to input video signal.
10
Alarm input port
1–16
Four groups of alarm input ports (Group 1: port 1 to port 4; Group 2:
port 5 to port 8; Group 3: port 9 to port 12; Group 4: port 13 to port
16). These ports receive the signal from the external alarm source.
There are two types: NO (Normally Open) and NC (Normally Closed).
When your alarm input device is using external power, make sure that
the input device and the DVR connect to the same ground.
Alarm output port 1–
5 (NO1–NO5;
C1–C5; NC5)
Five 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). These ports output alarm signal to
the alarm device. Make sure that power supply to the external
alarm device.
NO: Normally open alarm output port.
C: Alarm output public end.
NC: Normally closed alarm output port.
RS-485
communication port
Connects to the control devices such as speed dome PTZ. RS-485_A
port is connected by the cable A and RS-485_B is connected to the
cable B.
Four-wire full-duplex
RS-485 port (T+, T-,
R+, R-)
Four-wire full-duplex 485 port. T+ and T- is the output wire; R+ and R-
is the input wire.
Power output
control for alarm
(CTRL 12V)
Controls the 6
th
channel power output for alarm.
Turns off power output when there is alarm output.
Turns on power output when the alarm is cleared.
port
Provides power to external devices such as camera and alarm device.
Note that the power supply shall be below 1 A.
Ground.
10 Network port Connects to Ethernet port.
12 VGA port Outputs analog video data to the connected display with VGA port.
13 HDMI port
High definition audio and video signal output port.
The port outputs the uncompressed high definition video and multi-
channel audio data to the connected display with HDMI port.
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