User Manual

User Manual of Network Video Recorder
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Possible Reasons
a) Network failure, and the NVR and IP camera lost connections.
b) The configured parameters are incorrect when adding the IP camera.
c) Insufficient bandwidth.
Steps
1. Verify the network is connected.
1) Enter the Network Traffic interface.
Menu >Maintenance>Net Detect
2) Click the Network Detection tab to enter the Network Detection menu
3) Enter the destination address in the text field of Destination Address.
4) Click Test button to start testing network delay and packet loss. The testing result pops up on the
window.
If there exists return information and the time value is little, the network is normal.
2. Verify the configuration parameters are correct.
1) Select “Menu>Camera>Camera>IP Camera”.
2) Verify the following parameters are the same with those of the connected IP devices, including IP
address, protocol, management port, user name and password.
3. Verify the whether the bandwidth is enough.
1) Select “Menu >Maintenance > Net Detect > Network Stat.”.
2) Check the usage of the access bandwidth, and see if the total bandwidth has reached its limit.
4. Check if the fault is solved by the step 1 to step 3.
If it is solved, finish the process.
If not, please contact the engineer from our company to do the further process.
" The IP camera frequently goes online and offline and the status of it displays as “Disconnected”.
Possible Reasons
a) The IP camera and the NVR versions are not compatible.
b) Unstable power supply of IP camera.
c) Unstable network between IP camera and NVR.
d) Limited flow by the switch connected with IP camera and NVR.
Steps
1. Verify the IP camera and the NVR versions are compatible.
1) Enter the IP camera Management interface “Menu > Camera > Camera>IP Camera”, and view the
firmware version of connected IP camera.
2) Enter the System Info interface “Menu>Maintenance>System Info>Device Info”, and view the
firmware version of NVR.
2. Verify power supply of IP camera is stable.
1) Verify the power indicator is normal.
2) When the IP camera is offline, please try the ping command on PC to check if the PC connects with
the IP camera.
3. Verify the switch is not flow control.
Check the brand, model of the switch connecting IP camera and NVR, and contact with the manufacturer
of the switch to check if it has the function of flow control. If so, please turn it down.
4. Check if the fault is solved by the step 1 to step 3.
If it is solved, finish the process.
If not, please contact the engineer from our company to do the further process.
l
No monitor connected with the NVR locally and when you manage the IP camera to connect with the
device by web browser remotely, of which the status displays as Connected. And then you connect the