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Chapter 16 Hot Spare Device Backup
Purpose:
The device can form an N+1 hot spare system. The system consists of several working devices and
a hot spare device; when the working device fails, the hot spare device switches into operation,
thus increasing the reliability of the system. Please contact dealer for details of models which
support the hot spare function.
A bidirectional connection shown in the figure below is required to be built between the hot spare
device and each working device.
Before you start:
At least 2 devices are online.
16.2 Set Hot Spare Device
Purpose:
Hot spare devices takes over working device tasks when working device fails.
Step 1 Go to System > Hot Spare.
Step 2 Set the Work Mode as Hot Spare Mode.
Step 3 Click Apply.
Step 4 Click Yes in popup attention box to reboot the device.
Network Video Recorder User Manual
Figure 16-1 Building Hot Spare System
Figure 16-2 Hot Spare
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