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Chapter 10 Hot Spare Recorder Backup
Video recorders can form an N+1 hot spare system. The system consists of several working video
recorders and a hot spare video recorder; when the working video recorder fails, the hot spare
video recorder switches into operation, thus increasing the reliability of the system. Contact your
dealer for details of models that support the hot spare function.
A bidirectional connection shown in the figure below is required to be built between the hot spare
video recorder and each working video recorder.
10.1 Set Hot Spare Device
Hot spare devices takes over working device tasks when working device fails.
Steps
1. Go to System → Hot Spare.
2. Select Work Mode as Hot Spare Mode.
3. Click Apply.
4. Click Yes in the pop-up attention box to reboot the device.
Note
● The camera connection will be disabled when the device works in hot spare mode.
● It is highly recommended to restore the device defaults after switching the working mode of
the hot spare device to normal mode to ensure the normal operation afterward.
Network Video Recorder User Manual
Figure 10-1 Building a Hot Spare System
Figure 10-2 Hot Spare
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