Chapter 17 Hot Spare Device Backup; Set Hot Spare Device - HIKVISION DS-7716NXI-I4/16P/4S User Manual

DS-77xxNXI-I4/16P/4S NVR User Manual

Chapter 17 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 system reliability. Contact your dealer for models that 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
Ensure that at least two devices are online.

17.1 Set Hot Spare Device

Purpose
Hot spare devices takes over working device tasks when the working device fails.
1. Go to System > Hot Spare.
•
Set the Work Mode to Hot Spare Mode.
•
Click Apply.
•
Click Yes in the pop-up attention box to reboot the device.
The camera connection will be disabled when the device is in hot spare mode.
It is highly recommended to restore the device defaults after switching the working mode of the hot spare
device back to normal mode to ensure the normal operation afterwards.
UM DS-77xxNXI-I4/16P/4S 050619NA
Figure 17-1 Building Hot Spare System
Figure 17-2 Hot Spare
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