Description
DH-X51B1E4
The X51B1E4 HDCVI DVR offers 1080p recording on each HDCVI channel and a host of advanced features and functions. The X51B1E4 takes advantage of HDCVI technology for easy integration into existing video surveillance systems while leveraging existing networks, cabling, and cameras. Penta-brid access technology seamlessly records video from HDCVI, AHD, TVI, CVBS, and IP sources simultaneously. The X51B1E4 utilizes the Smart H.265+ Codec to significantly improve encoding efficiency and to reduce bandwidth and storage costs. This recorder is the ideal solution for actively monitoring and recording video feeds in a wide range of applications including public venues, retail stores, transportation hubs and access ways, personal property and homes, and educational institutions.
Features
Embedded Processor
Smart H.265+ and Smart H.264+ Dual Codec
Dual-stream Recording
5 M-N (1296 x 1944) at 20 fps Maximum Recording Resolution
Four (4) HDCVI, AHD, TVI, CVBS Channels
4 + 2 IP Channels, up to 6 MP per Channel
Maximum 24 Mbps Incoming Bandwidth
Built-in Smart Search
Intelligent Video System
One (1) SATA HDD Port, 4 TB per Hard Disk Drive
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Specification
System
Main Processor
Embedded Processor
Operating System
Embedded LINUX
Interface
Analog Camera Input
Four (4) Channels, BNC
Preview Ability¹
Channels 1 and 2:
5 M-N at 20 fps or
4 M-N, 1080p, 720p at 30 fps
Other Channels:
4 M-N, 1080p, 720p at 30 fps
HDCVI
5 MP, 4 MP, 1080p, 720p
AHD
5 MP, 4 MP, 1080p, 720p
TVI
5 MP, 4 MP, 1080p, 720p
CVBS
NTSC
IP Camera Input
4 + 2
(The recording rate is dependent on the maximum resolution and
frame rate of the connected IP camera.)
Audio – Input
Four (4) Channels, RCA
Audio – Output
One (1) Channel, RCA
Audio – Two-way Talk
Reuse Audio In/Out, RCA
Recording
Compression
Smart H.265+, H.265, Smart H.264+, H.264
Recording
Resolution
5 M-N (1296 x 1944), 4 M-N (1280 x 1440), 1080p, 1080N, 720p, 960H, D1, CIF
Record Rate – Main Stream
Channel 1:
5 M-N or 4 M-N at 20 fps
Channels 2 to 4
1080p at 15 fps
1080N, 720p, 960H, D1, CIF at 30 fps
Record Rate – Sub Stream
D1 or CIF at 30 fps
Maximum Incoming Bandwidth
24 Mbps
Bit Rate
32 Kbps to 6144 Kbps per Channel
Record Mode
Manual, Schedule (General, Continuous),
MD (Video Detection: Motion Detection, Video Loss, Tampering), Alarm, Intel, Stop
Record Interval
1 to 60 minutes (default: 60 minutes),
Pre-record: 1 s to 30 s,
Post-record: 10 s to 300 s
Audio Compression
G.711A, G.711U, PCM
Audio Sample Rate
8 KHz, 16 bits per Channel
Audio Bit Rate
64 Kbps per Channel
Display
Interface
One (1) HDMI (3840 x 2160)
One (1) VGA (1920 x 1080)
Native Output Resolution
1920 x 1080, 1280 x 1024, 1280 x 720
Maximum Decoding
4 Channels of 5 M-N at 10 fps
4 Channels of 1080p at 7 fps
4 Channels of 720p at 15 fps
4 Channels of 960H at 30 fps
Multi-screen Display – IP extension mode disabled
1/4
Multi-screen Display – IP extension mode enabled
1/4/6
On-screen Display
Camera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording
Network
Interface
One (1) RJ45 (100 Mbps) Port
Network Function
HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, Alarm Server, P2P, IP Search (Supports Dahua IP cameras, DVRs, NVS)
Maximum User Access
128 Users
Mobile Operating System
IOS, Android
Interoperability
ONVIF 16.12, CGI Conformant
Video Detection and Alarm
Alarms – Trigger Events
Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips
Alarms – Video Detection
Motion Detection, MD Zones: 396 (22 × 18), Video Loss, Tampering and Diagnosis
Alarms – Input
Eight (8) Channels
Alarms – Output
Three (3) Channels
Playback and Backup
Playback
1/4
Search Mode
Time/Date, Alarm, MD, Intel, and Exact Search (accurate to 1 second)
Playback Function
Play, Pause, Stop, Rewind, Fast Play, Slow Play, Next File,
Previous File, Next Camera, Previous Camera, Full Screen,
Repeat, Shuffle, Backup Selection, and Digital Zoom
Backup Mode
USB Device/Network
Storage
Internal HDD
One (1) SATA Port, 4 TB
Auxiliary Interface
USB
Two (2) USB 2.0 Ports
RS485
One (1) Port for PTZ Control
Electrical
Power Supply
12 VDC, 1.5 A
Power Consumption
< 10 W, without HDD Construction Dimensions - HDCVI DVR Mini 1U, 325.0 mm x 255.0 mm x 55.0 mm (12.80 in. x 10.04 in. x 2.17 in.) Dimensions - with PFH101 Rack Mount Tray 482.6 mm x 287.15 mm x 53.0 mm (19.0 in. x 11.31 in. x 2.09 in.) Installation Desktop or Rack-mount Certifications UL, EN, FCC, CAN/CSA, CFR Warranty 5 Years Downloads: Data Sheet
