Dahua DH-XVR54 L-I2 Series User Manual page 38

No. Port Name
Alarm output port 1–
5 (NO1–NO5;
12
C1–C5; NC5)
13 Power button
14
3.2.5 DH-XVR58xxS-I2/DH-XVR58xxS-4KL-I2/DH-XVR58xxS-I3/DH-
XVR58xxS-4KL-I3/DH-XVR78xxS-4K-I2/DH-XVR78xxS-4K-I3/DH-
XVR88xxS-4KL-I
No. Port Name
1 GND
2 Power input port
3 Power button
4 Audio input port
Audio input port
5
(MIC IN)
Audio output port
6
(MIC OUT)
7 Audio output port
Function
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. 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.
Turns on/off the DVR.
Ground.
Rear panel
Table 3-15 Rear panel description
Function
Ground.
Inputs power.
Turns on/off the Device.
Receives the analog audio signal output from the devices such as
microphone.
Two-way talk input port which receives the analog audio signal
output from the devices such as microphone, pickup.
Two-way talk output port which outputs the analog audio signal to
the devices such as the sound box.
Outputs the analog audio signal to the devices such as the sound
box.
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User's Manual