Digital Surveillance System

• Set manual recording • Take Snapshots • Apply Fisheye dewarping • Audio talk • Set alarm window • •Turn on/off the audio in live view • Set Region of Interest: divide one window into 4 or 6 parts, one shows whole image and others show details. • Save current split as a view • Add channels as favorites

Datasheet DSS Express VideoManagementServer DSS4004 S2 v001 009
DSS | DHI-DSS4004-S2
Digital Surveillance System
DSS Express Video Management System Server
· Embedded Linux Operating System with Pre-installed DSS Express Software
· Live Video Playback · Supports Access Control and Video Intercom Integration · Configure Video Wall Layout and Scheme · Configure NVR Recording · Offers Fisheye Camera Dewarping on Live View and Playback Images · Intelligent Video System with Face Recognition, People Counting and
Heat Map · Five-year Warranty*

System Overview
The DSS4004-S2 Express Video Management System is a powerful, all-in-one video surveillance management system pre-loaded with Linux-optimized DSS Express software for system scalability and reliability. The server integrates multiple access or video intercom devices with surveillance cameras. The server supports 3 hard disk drives for video and snapshot storage and supports edge storage and extended storage via iSCSI.
The server provides user rights management, device management, alarm management, center storage, TV wall output and, two-way audio. In addition to these VMS features, the server offers advanced features, including support for real-time face recognition and robust event management controls, features not found on many other VMS servers.
Functions Compatibility The VMS server is compatible with all Dahua IP-enabled devices: network cameras, NVRs, DVRs, and access control devices plus many more. The server is also compatible with the ONVIF protocol, so it can connect to ONVIF-enabled third-party devices. The server offers and SDK for further support of third-party platforms and mobile operating systems.
Fisheye Camera Support DSS features full support for Dahua Fisheye cameras. The software supports options for the Fisheye camera installation and eight (8) dewarp modes. Dewarping solves the problem of distortion in the circular panoramic view in both live or playback modes.

Real-time Face Recognition The DSS4004-S2 performs real-time facial recognition simultaneously on several channels. The server captures and analyzes facial features to determine gender, age, expression, glasses, moustache, and mask, and then can record the faces and store the associated structured data. The server also filters incoming video to display faces that match target features.
Access Control and Video Intercom The DSS4004-S2 server offers full support and integration for access control and video intercom products to support a complete security and surveillance system. The server monitors door status and events, manages access rights, and support advanced rules management. In addition to access controls, the server supports two-way communication between intercom and control center.
Video Wall DSS offers settings to configure all aspects of a video wall application. The application supports video wall layout, live preview, scheme configuration, and tour setup. In addition, the application supports video wall splicing and roaming.
Management Operations The server manages the devices and the user accounts for an entire organization. Operators can assign different camera ranges, active use periods, and business roles for each user. The server also supports different schemes for various events, including IVS, to record and view all event history information.

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*Warranty applies to products sold through an authorized Dahua Dealer.

DSS | DHI-DSS4004-S2
System Features
General Functions
Organization and Group Management
Device Management · Initialize Dahua devices · Add devices via auto search, IP · Manage Dahua devices
Users and Authority · Add, edit and delete users · Assign appropriate permissions to specific users · Restrict user access by MAC and expiration dates · Set user PTZ permissions
Storage · Set central storage: local disk storage and extend storage via ISCSI · Add, edit, delete, enable and disable recording plan · Support edge storage and central storage recording plan
Bind Access Control Channels
Playback · Playback recording from edge devices or central storage · Apply video filters: normal, motion, alarm, video loss,video tampering · Sync play · Reverse playback · Playback frame-by-frame · Supports 1x, 2x, 4x, 8x, 16x, 32x, 64x, 1/2x, 1/4x, 1/8x, 1/16x, 1/32x, 1/64x playback
speeds · Lock or mark important recording segments for central storage
Emap · Use raster map, main map, and sub-maps · Supports 8-level sub-map · Add, edit, and delete hot spots (camera, alarm input) on the map · View 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
(decoder hardware is required to setup a video wall) · Supports On/Off screen ID · Combine multiple screens into one screen · Bind the decode channel with the corresponding screen · Decode the real-time video to the video wall · Decode the playback video to the video wall · Manually or automatically decode to wall · Control the video wall split · Change the stream type of video channel · Add 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 tasks, set loop times · Supports NKB1000 to control video wall
Live View · Offers Common layout and customized layout · Control PTZ cameras · Set manual recording · Take Snapshots · Apply Fisheye dewarping · Audio talk · Set alarm window · Turn on/off the audio in live view · Set Region of Interest: divide one window into 4 or 6 parts, one shows whole image
and others show details. · Save current split as a view · Add channels as favorites · Video tour according to device, organization, favorite or view. · View map via live view window

Event Management · Detect device exception, video events, alarm input, access control Events, etc. · Set alarm scheme: all day, weekday, weekend, or custom template · Set alarm priority: Low, Medium, High · Link recordings, snapshots, live video, alarm output, PTZ actions, or e-mail · Add, edit, delete, enable, and disable alarm schemes · Display event info including alarm time, alarm name, alarm status, etc. · View live video or pictures from a related camera · Acknowledge events · Arm control for events · Forward alarm to relevant users · Send e-mail when processing events · Process events · Search events
Download Center · Download recordings from central storage or device · Download recordings by timeline, files, or tags · Supports multi-task download · Supports .dav, .mp4, .flv, .asf, and .avi video formats
Intelligent Building Functions
Personnel Management · Add, edit, and delete people and departments · Issue card credentials or fingerprint via USB reader or device · Authorize by door or door group · Issue private passwords and face authentications · Manage guest, VIP, and normal personnel management
Access Control · Monitor door status and events · Group door access levels · Manage access rights · Lock/Unlock doors with one key · Link fire detection devices · Set advanced door rules: anti-passback, first card unlock, inter-door lock,
multiple card unlock, remote verification
Video Intercom · Supports VDP devices based on SIP protocol or with command center · Release text information to VTH series devices · Release address book to VTO series devices
Artificial Intelligence
Face Recognition · Perform face recognition · Search for faces in live video using similar face or feature search · Record face recognitions · Prepare structured reports of gender and age · Manage face library · Set alarms and event linkage for face recognition
Flow Analysis · Search and export people counting report · Search and export heat map report
System Maintenance
Logs · View operator log and door log in control client · Search and export logs
Backup and Restore · Backup system data automatically (daily, weekly, monthly) · Backup system data manually · Restore system data from server or local file
Other Functions · FTP for alarm pictures · Calibrate device time and server time

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DSS | DHI-DSS4004-S2

Technical Specification System
Main Processor Operating System Memory Power Supply
Interface
Network Ports RS232 RS485
USB

Intel® CoreTM i3-6100, 64-bit, 4-core Processor Embedded Linux

Record

8 GB

Hot-swappable Power Supply

Event

Four (4) RJ-45 Ports (10/100/1000 Mbps)

Reserved

Reserved
Front Panel: Two (2) USB 3.0 Ports Rear Panel: Two (2) USB 3.0 Ports On-board Panel: One (1) USB 2.0 Port

EMAP

Playback Bandwidth per Server
Video Storage Bandwidth per Server

150 Mbps 150 Mbps

Maximum Capacity per Storage Server

100 TB

Download Task

Up to Five (5) per Client

Number of events without pictures

80 per second

Number of events with pictures Five (5) per second

Hierarchy of Raster Map

8 Hierarchies

Hierarchy of Raster Map

8 Hierarchies

Photos of Raster Map

up to 64 Photos

Raster Map Size

up to 14.70 MB

VGA

One (1) VGA Port, as Network Configuration

Channels

up to 2000

Storage
HDD Installation

Built-in 1 TB HDD (2.5-in.) for Operating System Supports 3 HDD (2.5-in.) for video and picture storage

Personnel Management

Persons Cards Fingerprints

2000 2000 2000

Storage
Video Management
PC

8 TB per HDD 10 Online

Client

DSS Mobile 2

10 Online

Organization and Users

DSS Mobile for VDP Organization User Group User

200 Online, 2000 Total 10 Hierarchies 999 Organizations per Hierarchy Three (3) Levels
10 Online User, 50 Users

Video

256 Channels

Access Control

64 IP Devices, 64 Doors

Devices (Single Point Performance)

VDP Devices

1000 Devices (no more than 64 VTO devices)

Face Recognition

32 Channels

License Plate Capture/Recognition

32 Channels

Alarm Host

64

Media Transmission Server

Video Input Server 350 Mbps Video Output Server 350 Mbps

Electrical
Power Supply Power Consumption
Environmental
Operating Conditions
Storage Conditions
Operating Altitude
Construction
Dimensions Net Weight Material Installation
Certifications
Safety
Electromagnetic Compatibility (EMC)

100 VAC to 240 VAC, 47 to 63 Hz 70 W to 120 W, with HDD
0° C to +45° C (+32° F to +113° F), 5% to 90% RH, non-condensing ­20° C to +70° C (­4 °F to +158° F), 5% to 90% RH, non-condensing
­60.0 m to 3000.0 m (­196.85 ft to 9842.52 ft)
1U, 440.0 mm x 398.60 mm x 43.65 mm (17.32 in. x 15.69 in. x 1.72 in.)
6.0 kg (13.23 lbs) 1.0 mm SGCC Steel Plate Standard 19-in. Rack Installation
EN 60950-1:2006+A11:2009+A1:2010+A12: 2011+A2:2013 FCC 47 CFR Part 15 Subpart B EN 55032:2015 EN 55024:2010+A1:2015 EN 50130-4:2011+A1:2014 EN 61000-3-2:2014 EN 61000-3-3:2013

Ordering Information

Type

Part Number Description

Digital Surveillance System

DHI-DSS4004-S2

DSS Express, 3 HDD Bays

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DSS | DHI-DSS4004-S2
Dimensions (mm)

Physical Interfaces

1 Power Button 2 USB 3.0 Port 3 USB 3.0 Port

4 HDD Status 5 Alarm Status 6 Network Status

1 Gigabit Network Ports 3 and 4 2 Gigabit Network Ports 1 and 2 3 Audio OUT 4 Audio IN 5 N/A 6 VGA OUT

7 eSATA 8 N/A 9 Power Connection 10 USB 3.0 Ports x 2 11 N/A

Rev 001.009 © 2020 Dahua Technology USA. All rights reserved. Design and specifications are subject to change without notice.
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