In the contract box can be used to backup-USB (Flashdrive), USB (Hardisk-External), USBNN2 (Front) and 2 1xE-SATA xport port (rear). For each backup, the backup will NVR, with บัทึกภาพ going at the same time.
To back up Available Channels USB (Flashdrive), USB (Hardisk-External) by 2xport USB2.0 (Front) and 1xE-SATA port (rear). To back up each time. NVR to perform a backup and unused files in the same time.
Backup data can be used to channel USB (Flashdrive), USB (Hardisk-External) by 2xport USB2.0 (Front) and 1xE-SATA port (background).? Backup data each time. NVR will backup the record pictures at the same time .