HIKVISION DS-7716NXI-I4/16P/4S User Manual page 181

DS-77xxNXI-I4/16P/4S NVR User Manual
2) Check the access bandwidth usage, and see if the total bandwidth has reached its limit.
4. Check if the fault is solved by step 1 to step 3. If it is solved, finish the process. If not, contact a
Hikvision engineer for further processing.
IP Camera Frequently Goes Online/Offline and Status Is "Disconnected"
Possible Reasons:
•
The IP camera and the device versions are not compatible
•
Unstable IP camera power supply
•
Unstable network between IP camera and device
•
Limited flow by the switch connected with IP camera and device.
•
Verify the IP camera and the device versions are compatible
1) Go to Menu > Camera and view the connected IP camera's firmware version.
2) Go to Menu > Maintenance > System Info > Device Info and view the device firmware version.
1. Verify the IP camera power supply is stable.
1) Verify the power indicator is normal.
2) When the IP camera is offline, try the ping command on the PC to check if the PC connects with the
IP camera.
2. Verify the network between IP camera and device is stable.
1) When the IP camera is offline, connect PC and device 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 is packet loss.
Simultaneously press Ctrl and C to exit the ping command.
Example: Input ping 172.6.22.131 –l 1472 –f.
3. Verify the switch is not using flow control. Check the switch brand and model, and contact the switch
manufacturer to check if it has flow control function. If so, turn it down.
4. Check if the fault is solved by the step 1 to step 4. If it is solved, finish the process. If not, contact a
Hikvision engineer for further processing.
UM DS-77xxNXI-I4/16P/4S 050619NA 181