User manual
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SECTION 9: SYSTEM MAINTENANCE
9.7 Hot Spare device backup
The NVR can be congured for an N+1 hot spare backup 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. The
hot spare device is external to the NVR and accessible through a LAN connection.
The general procedure for setting up a hot spare is shown in the owchart below.
9.7.1 Identifying the Hot Spare device
NOTE
• The camera connection will be disabled when the device works in the hot spare mode.
• It’s highly recommended to restore the defaults of the device after switching the working mode of the hot spare
device to normal mode to ensure the normal operation afterwards.
1. Open the Hot Spare menu. Go to Menu | Conguration | Hot Spare
In the menu above: