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2.3
Front and Real panel
2.4 Audio and video input and output connections
2.4.1 Video input connections
The video input port is BNC connector plug. The demand of input signal is PAL/NTSC BNC(1.0V
,75 ).
P
Insure the Camera signal stable
The camera should be installed in the appropriate location where is away from backlighting and low
illumination or adopts the better backlighting and low illumination compensation. The ground and power
supply of the camera and the DVR should be shared and stable.
Insure the transmission line stable
The video transmission line should adopt high quality cable which is chosen by the transmission
distance. If the transmission distance is too far, it should adopt shielded twisted pair, video compensation
equipment and transmit by fiber to insure the signal quality. The video signal line should be away from the
electromagnetic Interference and other equipment signal lines. The high voltage current should be avoided
especially.
Insure the connection stable
The signal and shield lines should be firm and connected credible which avoid false and joint
welding and oxidation.
6
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