Vivotek NR9682-v2 64-Channel NVR (No HDD) - Manual (Page 227)

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User's Manual - 227
4-5. Settings > Recording > Backup
The Backup function allows you to regularly back up the video recordings of one or multiple
cameras to local hard disks or a Network Attached Storage device. Currently, the VAST2 server
does not support backup to external storage devices such as a storage devices connected
via Fibre Channel. VAST supports backup to an external storage attached through a USB 3.0
connection.
Note that the alarms associated with individual cameras will not be backed up.