Dahua Technology DH-XVR7208A-4KL-I, Manual

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User’s Manual
31
3.2.7 DH-XVR5408L-I2/DH-XVR5416L-I2/DH-XVR5432L-I2/DH-
XVR5416L-4KL-I2/DH-XVR5432L-4KL-I2/DH-XVR7408L-4K-I2/DH-
XVR7416L-4K-I2
Rear panel
Table 3-17 Rear panel description
No. Port Name Function
1
Audio output port
(MIC OUT) Tow-way talk output port which outputs the analog audio signal to
the devices such as the sound box.
2
Audio input port
(MIC IN) Tow-way talk input port which receives the analog audio signal
output from the devices such as microphone, pickup.
3 Video output port Connect to video output devices such as TV.
4 Audio output port
Outputs the analog audio signal to the devices such as the sound
box.
5
Audio input port
Receives the analog audio signal output from the devices such as
microphone.
6 Video input port Connect to analog camera to input video signal.
7
Alarm input port
1–16
Four groups of alarm output 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 the device and the NVR have 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 power supply to the
external alarm device.
NO: Normally open alarm output port.
C: Alarm output public end.
NC: Normally closed alarm output port.