- The IP camera frequently goes online and of
fl
ine and the status of it displays “Disconnected”.
Possible Reasons:
a) The IP camera and the NVR/DVR versions are not compatible.
b) Unstable power supply of the IP camera.
c) Unstable network between the IP camera and the NVR/DVR.
d) Limited
fl
ow by the switch connected with the IP camera and NVR/DVR.
Steps:
1. Verify the IP camera and the NVR/DVR versions are compatible.
1) Enter the IP camera Management interface “Menu> Camera> Camera> IP Camera”, and view the
fi
rmware
version of the connected IP camera.
2) Enter the System Info interface “Menu> Maintenance> System Info> Device Info”, and view the
fi
rmware
version of the NVR/DVR.
2. Verify whether the power supply of the IP camera is stable.
1) Verify that the power indicator is normal.
2) When the IP camera is of
fl
ine, please try the ping the command on the PC to check if the PC connects with the
IP camera.
3. Verify whether the network between the IP camera and the NVR/DVR is stable.
1) When the IP camera is of
fl
ine, connect the PC and NVR/DVR with the RS-232 cable.
2) Open the Super Terminal, use the ping command and keep sending large data packages to the connected IP
camera, and check if there exists any packet loss.
NOTE: Simultaneously press "Ctrl" and "C" to exit the ping command.
Example: Input ping 172.6.22.131 –l 1472 –f.
4. Verify that the switch is not ‘
fl
ow control’.
Check the brand, model of the switch connecting the IP camera and the NVR/DVR, and contact the manufacturer
of the switch to check if it has the function of ‘flow control’. If so, please turn it down.
5. Check if the fault is solved by step 1 to step 4. If it is solved,
fi
nish the process. If not, please contact the
manufacturer of the IP camera.
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