Dahua DHI-DSS4004-S2 DSS Express Video Management Server, 3 SATA Video Storage Bays, No HDD for Video Storage

DSS4004-S2 is an economical general surveillance system preloaded with linux-optimized DSS Express, which improves reliability of the whole system. It supports up to 512 network cameras and integrates video, access control, video intercom and AI functions, which provides a cost-effective all-in-one solution.

High Cost-effective
• Preloaded with linux-optimized easy-to-use DSS Express, which makes the deployment simplified
• Pre-activated 512 video channels can save the enormous costs of projects.

High Reliability
• Hot standby of two servers will keep the system 7*24h stable operation
• Long-term stability test make the hardware, OS and software more compatibile.

Organization Management
• Through organization to achieve device group management.

Device Management
• Device initialization: Initialize Dahua's device
• Add devices via auto search, IP
• Manage Dahua's devices such as network camera, network speed dome, NVR, DVR, Access Control, etc.

Users & Authorities
• Add, edit and delete the users.
• Assign different users with different permissions.
• User can be restricted by the MAC and expiry data.
• Supports user PTZ permissions.

Storage
• Central storage: local disk storage and extend storage via ISCSI
• Add, edit, delete, enable and disable the record plan
• Supports edge storage and central storage for record plan

Resource Binding
• Binding Access Control channels with the corresponding cameras

Playback
• Replay the record from the edge devices or central storage.
• Video filter: normal, motion, alarm, video loss, tampering video
• Sync play
• Reverse replay
• Replay frame-by-frame
• Supports 1X, 2X,4X,8X,16X,32X,64X, 1/2X, 1/4X, 1/8X, 1/16X, 1/32X, 1/64X playback
• Lock or mark the important record for central storage.

Emap
• Raster map, main map and submaps
• Up to 8-level submap
• Add, edit and delete the submap on the map
• Add, edit and delete the hot spots (camera, alarm input) on the map
• View the live video and playback on the map
• Zoom in and zoom out the map
• Supports visible range and initial angle
• Icon flashes on map when alarm occurs

Video Wall
• Add and manage the video wall.
• Supports combine screens to one screen.
• Bind the decode channel with the corresponding screen.
• Decode the real-time video to wall
• Decode the playback video to the video wall.
• Manually/automatically decode to wall.
• Control the video wall split
• Change the stream type of video channel.
• Adding box, on/off screen and back display.
• Tour the video channel in a single window.
• Schedule plan: Set the running task on timeline.
• Tour plan: Loop different task, can set loop time
• Supports NKB1000 to control video wall

Live View
• Common layout and customized layout
• PTZ control
• Manual recording
• Snapshot
• Fisheye dewraping
• Audio talk
• Set alarm window.
• Turn on/off the audio in live view
• Region of Interest: Divide one window into 4 or 6 parts, one shows whole image, others show the detail
• Save the current split as a view.
• Supports adding channel to favorite
• Video tour according to device, organization, favorite or view.
• View map via live view window

Event Management
Detect the device exception, video events, alarm input, access control Events, etc.
• Alarm Scheme: All day template, Weekday template, Weekend template and custom template.
• Alarm Priority: Low, Medium, High.
• Linkage: record, snapshot, live video, alarm output, PTZ, E-mail.
• Add, edit, delete, enable and disable alarm scheme.
• Display event info including alarm time, alarm name, alarm status, etc.
• View the live video or pictures from related camera.
• Acknowledge the events.
• Arming control for events.
• Forward the alarm to relevant user.
• Send e-mail when processing events.
• Process the events.
• Search events

Download Center
• Download record from central storage or device.
• Download record by timeline, files or tags.
• Supports multi-task download.
• Supports dav, MP4, flv, asf, and avi format.

Personnel Management
• Add, edit and delete the person and department
• Issue the card, fingerprint via USB reader or devices
• Authorize by door or door group
• Private password and face authentications
• Guest, VIP and normal person management
• Import and export batch personnel information

Access Control
• Door status and door events monitor
• Door group and access level
• Access right management
• One-key to lock/unlock the doors
• Fire linkage
• Advanced door rules, such as anti-passback, first card unlock, inter-door lock, multiple card unlock, remote verification

Video Intercom
• 2-way video talk between VTO and control center
• 2-way audio call between VTH/SIP phone and control center
• VTH and sip phone group call
• Push notification to VTH
• Transfer video talk request to mobile phone from VTH
• Supports to open the door remotely

Face Recognition
• Supports real-time face recognition
• Supports captured record query
• Export the report of searching result
• Supports report statistics: gender, age, quantity, time
• Face library management

ANPR
• Real-time license plate recognition
• Search passing records