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Table 3-11 Rear panel description
No. Port Name Function
1
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, please make sure the alarm input device
and the Device have the same ground.
Alarm output port 1–3 (NO1–NO3;
C1–C3)
●
Three groups of alarm output ports (Group 1:
port NO1–C1, Group 2: port NO2–C2, Group 3:
port NO3–C3). These ports output alarm
signal to the alarm device. Please make sure
power supply to the external alarm device.
●
NO: Normally open alarm output port.
●
C: Alarm output public end.
Ground.
2 Video input port Connects to analog camera to input video signal.
3 Audio input port
Receives audio signal output from the devices
such as microphone. It corresponds to video
input port 1.
4 DB25 port
Connects to the audio splitter taken from the
package to convert to audio input port which
receives the audio signal from devices such as
microphone. It corresponds to video input ports
2–16.
5 Audio output port
Outputs audio signal to the devices such as the
sound box.
6 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.
7 USB port
Connects to external devices such as USB
storage device, keyboard and mouse.
8 Network port Connects to Ethernet port.
9 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.
10 Power input port Inputs 12 VDC power.
User's Manual
26
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