Nvr22-16P-I/Nvr22-8P-I2 Series - Dahua NVR52-4KS2 Series User Manual

Port Name
N1, N2
C1, C2
Power input port

2.2.19 NVR22-16P-I/NVR22-8P-I2 Series

The figure is for reference only.
Port Name
MIC IN
MIC OUT
RS-232
Connection
Alarm output port 1–2
—
Power input port
Power switch
Figure 2-91 Rear panel
Table 2-35 Ports
Connection Function
GND Ground end.
Bidirectional talk input port. It is to receive the analog audio
Audio input port
signal output from the devices such as microphone, pickup.
Audio output port. It is to output the analog audio signal to
the devices such as the sound box.
Audio output port
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
●
RS-232 debug It is for general COM debug to configure IP address or
COM transfer transparent COM data.
10/100 Mbps self-adaptive Ethernet port. Connect to the
Network port
network cable.
USB port USB port. Connect to mouse, USB storage device and more.
56
Function
2 groups of alarm output ports. (Group 1: port
●
NO1–C1, Group 2: port NO2–C2). Output alarm
signal to the alarm device. Please make sure
there is power to the external alarm device.
NO: Normal open alarm output port.
●
C: Alarm output public end.
●
90~264-12 VAC 12.5 A/-53 V 2.83 A
Power socket.
Power on/off button.
User's Manual