Network Video Recorder User Manual
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Chapter 15 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.
Building Hot Spare System
Before you start:
At least 2 devices are online.
Set Hot Spare Device
Purpose:
Hot spare devices takes over working device tasks when working device fails.
Go to System > Hot Spare.
Set the Work Mode as Hot Spare Mode.
Hot Spare
Click Apply.
Click Yes in popup attention box to reboot the device.