Tenda O3 User Manual page 166

Stronger signal strength (-90 is better than -100) and less background noise (-100 is better than -90)
indicates better bridging signal.
Q4: After the installation succeeds, the monitors connected to the NVR cannot display the surveillance videos.
What should I do?
A4: Try the following solutions:
Ensure that all devices are working normally, and connected properly.
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Refer to the following figure to find the problem. Ensure that the IP addresses of computer, NVR,
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and IP cameras are in the same network segment.
If the preceding check is normal, it indicates the connections are properly. Please check the
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configuration information, including the configuration information of NVR, and IP cameras.
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