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Question:

How many lines are there in the security monitoring system?

How many lines are there in the security monitoring system?

Answer:

You can't control the camera lens, only video cable and power line,If the camera does not rotate, just two linesVideo cable and power cordAdd signal control line if rotating
Add Kazakhstan: 485 control line is camera PTZ, that is, you can turn the kind of
The general monitoring point has power lines, video lines, 485 control lines, and the use of network cameras, the use of cable, power lines

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