Dahua Network Video Server
User’s Manual
9
Figure 3-2
3.3
Connecting Power Supply
Please check input voltage and device power button match or not.
We recommend you use UPS to guarantee steady operation, NVS life span, and other
peripheral equipment operation such as cameras.
3.4
Connecting Video Input and Output Devices
3.4.1 Connecting Video Input
The video input interface is BNC. The input video format includes: PAL/NTSC BNC
(1.0V
P-P
, 75Ω.)
The video signal should comply with your national standards.
The input video signal shall have high SNR, low distortion; low interference, natural color
and suitable lightness.
Guarantee the stability and reliability of the camera signal:
The camera shall be installed in a cool, dry place away from direct sunlight, inflammable,
explosive substances and etc.
The camera and the NVS should have the same grounding to ensure the normal