7
2
The Grand Tour for Rear Panel
The actual appearance might be different depending on the model you purchased.
The following figure shows the rear panel of the DVR.
No. Port Name
Function
1
Ground terminal.
2
Power input port
Inputs power.
3
Power button
Turns on/off the DVR.
4
Audio input port
Receives audio signal output from the devices such as
microphone.
5
MIC IN
Two-way talk input port which receives analog audio signal
output from the devices such as microphone and pickup.
6
MIC OUT
Two-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
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.
