User's Manual
44
Port Name
Connection
Function
MIC IN
Audio input port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
MIC OUT
Audio output port
Audio output port. It is to output the analog
audio signal to the devices such as the sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
GND
Ground end
PoE PORTS
PoE port
Built-in switch. Support PoE function.
For PoE series product, you can use this port to
provide power to the network camera.
2.2.21 NVR21HS-8P-I/NVR21HS-8P-I2 Series
The rear panel is shown as below.
The figure is for reference only. The actual product shall prevail.
Figure 2-65 Rear panel
Table 2-33 Ports
Port Name
Connection
Function
GND
Ground end
USB port
USB port. Connect to mouse, USB storage device
and etc.
HDMI
High Definition
Media Interface
High definition audio and video signal output
port. It transmits uncompressed high definition
video and multiple-channel data to the HDMI port
of the display device. HDMI version is 1.4.
MIC IN
Audio input port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
MIC OUT
Audio output port
Audio output port. It is to output the analog
audio signal to the devices such as the sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
Summary of Contents for NVR41-4KS2 Series
Page 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V1 1 0 ...
Page 74: ...User s Manual 58 Figure 2 79 Alarm input port Figure 2 80 Alarm input port ...
Page 101: ...User s Manual 85 Figure 3 41 Step 9 Secure the HDD bracket and put the top cover back ...
Page 132: ...User s Manual 116 Figure 4 19 Modify IP Step 3 Set parameters See Table 4 5 ...
Page 147: ...User s Manual 131 Figure 4 29 Period Step 3 Set record type See Figure 4 30 ...
Page 452: ...User s Manual ...
