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Table 3-14 Rear panel description
No. Port Name Function
1 Video input port Connects to analog camera to input video signal.
2 Audio output port
Outputs audio signal to the devices such as the
sound box.
3 MIC IN
Two-way talk input port which receives analog audio
signal output from the devices such as microphone
and pickup.
4 Audio input port
Receives audio signal output from the devices such
as microphone.
5 RS-232 debug COM
The port is used for general COM debug to congure
IP address or transfer transparent COM data.
6
Alarm input port 1–16
4 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 (normal open) and NC (normal close).
When your alarm input device is using external
power, please make sure the input device and the
DVR connect to the same ground.
Ground terminal.
7 VGA port
Outputs analog video data to the connected display
with VGA port.
8 Network port Connects to Ethernet port.
9 HDMI port
High denition audio and video signal output port.
The port outputs the uncompressed high denition
video and multi-channel audio data to the
connected display with HDMI port.
10 USB port
Connects to the external devices such as keyboard,
mouse, and USB storage device.
11 Power input port Inputs power.
12
Alarm output port 1–5
(NO1–NO5; C1–C5; NC5)
●
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). These ports output alarm signal to
the alarm device. Please make sure power supply
to the external alarm device.
●
NO: Normal open alarm output port.
●
C: Alarm output public end.
●
NC: Normal close alarm output port.
13 Power button Turns on/o the DVR.
User's Manual
30
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