Dahua NVR41 series, Руководство пользователя

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User's Manual
22
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.
PoE PORT PoE port
Built-in switch. Support PoE function.
For PoE series product, you can use this
port to provide power to the network
camera.
Wireless AP -
Support wireless hotspot function. Use
Wi-Fi to connect to the network camera
when there is a hotspot.
For NVR41-W series only.
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.
Figure 2-22
The NVR21-P-S2/21-P-4KS2 is shown as in Figure 2-23.
Figure 2-23
The NVR21-8P-S2/21-8P-4KS2 is shown as in Figure 2-24.