17
z Please install from the bottom to the top.
z If there are more accessories connected in the rack, please take
precaution measures in case the rack power is overload.
Connecting Power Supply
Please check input voltage and device power button match or not.
We recommend you use UPS to guarantee steady operation, DVR life
span, and other peripheral equipments operation such as cameras.
Connecting Video Input and Output Devices
Connecting Video Input
The video input interface is BNC. The input video format includes:
PAL/NTSC BNC（1.0VB
P- P
，
B75Ω.） See X283H283H283HFigure 3-1.X
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 DVR should have the same grounding to ensure
the normal operation of the camera.
Guarantee stability and reliability of the transmission lineBTTTB
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