Nvr21-S2/21-P-S2/21-8P-S2/21-4Ks2/21-P-4Ks2/21-8P-4Ks2 Series - Dahua NVR41 Series User Manual

Port Name
MIC IN
MIC OUT
PoE PORT
Wireless AP
2.2.2
NVR21-S2/21-P-S2/21-8P-S2/21-4KS2/21-P-4KS2/21-8P-4KS2
Series
The NVR21-S2/21-4KS2 is shown as in Figure 2-22.
The NVR21-P-S2/21-P-4KS2 is shown as in Figure 2-23.
The NVR21-8P-S2/21-8P-4KS2 is shown as in Figure 2-24.
Connection
Audio input port
Audio output port
PoE port
-
Figure 2-22
Figure 2-23
22
Function
Bidirectional talk input port. It is to receive
the analog audio 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.
● Bidirectional talk output.
● Audio output on 1-window video
monitor.
● Audio output on 1-window video
playback.
Built-in switch. Support PoE function.
For PoE series product, you can use this
port to provide power to the network
camera.
Support wireless hotspot function. Use
Wi-Fi to connect to the network camera
when there is a hotspot.
For NVR41-W series only.
User's Manual