D-Lnk DNS-722-4/DNS-726-4 User Manual
Secton - Product Overvew
Fully.Functional.Recording
1.
Flexible.Recording.Schedule:
Once cameras have been set up, a highly configurable scheduling system
allows for continuous recording or recording during specifically allotted time frames. Each camera can be set
to record independently at preset intervals. The DNS-726-4 also provides event recording based on specific
triggers.
2.
Recording.Automatic.Overwrite:.
The NVR can be configured 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. Should
the disk reach capacity, a notification 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 filter the external connections; this
feature increases data security.
4.
Physical.Security:
NVR enclosure is compact and easy to conceal in a secure remote location. A front panel
lock protects the Hard Disk and a rear panel lock can be used to secure the NVR with a cable.
5.
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.
6.
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.
7.
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.
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