Dahua NVR21-4 KS2 Series, Руководство пользователя

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Front Panel and Rear Panel 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.
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.
2.2.5 NVR41HS-W-S2 Series
The NVR41HS-W-S2 rear panel is shown as below. See Figure 2-28.
Figure 2-28
Table 2-17
Icon Name Function
Power input
socket.
Power socket. Input DC12V/2A.
Network port
10M/100Mbps self-adaptive Ethernet port. Connect to
the network cable.
USB2.0 port
USB2.0 port. Connect to mouse, USB storage device,
and etc.