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Part IV: Appendix
Simple troubles and corresponding solutions
Problems
Possible causes
Soluition
Wrong connection of power cables
Correct
Power supply damaged
Replace
Not required power type
Replace
No action, no picture, indicator not
on when power is switched on.
Bad power cable connection
Correct
Address or Baud rate setup wrong
Set up again
Protocol setup wrong
Set up again
Normal self-check and image but
out of control
RS485 bus connection wrong
Check RS485 bus connection
Mechanical failure
Repair
Camera inclined
Reinstall
Abnormal self-check image with
motor noise
Power supply not enough
Replace, placing the adaptor nearby
the unit is recommended
Bad connection of video
Correct
Unstable image
Power supply not enough
Replace
Power supply not enough
Replace, placing the adaptor nearby
the unit is recommended
Some dome camera out of control
or control delayed
Matching resistor is not equipped in the dome
camera at the farthest end
Install matching resistor in the dome
camera
Weak 485 signal; not enough power in 485
transformer
Replace with thicker controlling
cable. Replace transformer
PART V. CONNECTING SKETCH
Содержание JE900BN
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