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5D-Link DNR-322L User Manual
Section 1 - Product Overview
Fully Functional Recording
1. Flexible Recording Schedule: Once cameras have been set up, a highly congurable scheduling system allows
for continuous recording or recording during specically allotted time frames. Each camera can be set to record
independently at preset intervals. It also provides event recording based on specic triggers.
2. Recording Automatic Overwrite: The NVR can be congured to overwrite the oldest data automatically when Hard
Disk space runs out, allowing for continuous and uninterrupted recording. Users can specify the number of days the
recording should be kept (within the limits of the Hard Disk capacity). For example, if the NVR has the capacity to store
7 days of recording, using the overwrite option, the NVR will record the 8th day and delete the 1st day.
3. Recording Stop Alert: The NVR also provides the option to stop recording when the Hard Disk is full. When the disk
reach capacity, a notication can be sent via E-mail or to an external device such as an audible alarm or LED display.
Comprehensive Data and Hardware Security
1. Secure Data: RAID 1 duplicates the recordings database onto two separate drives. In the event of an Hard Disk failure,
data integrity is maintained on the secondary Hard Disk.
2. Auto Boot after Power Recovery: The NVR will boot up automatically once the power is recovered after a power outage.
3. Access List Control: User can specify safe and blocked IP addresses to lter the external connections; this feature
increases data security.
4. Multiple User Privilege Control: Administrators may also choose access privileges for users by specifying the cameras
they may have access to live view, playback, audio, and PTZ functions.
5. UPS Status Monitor: A UPS can be used as emergency power supply for the NVR. The UPS uses a USB interface to notify
the NVR to perform a proper shutdown before battery power runs out.
6. Backup Recording Data: Recorded data is stored in a secure database. This recorded data can be backed up to additional
storage locations periodically or whenever needed.
Powerful Event Management
1. Camera Status: The camera status page will show connection, recording, frame rate and bit rate information of each
camera. Meanwhile, the estimated available recording time is also displayed for quick reference.
2. Flexible Event Management: Event setup is another key conguration of the NVR. The NVR can monitor all of the
camera triggers from motion detection. One of the most powerful functions is notication application. The NVR
centrally controls the E-mail and recording of all the connected cameras.