Dahua Technology Lite Series X51B1E2  4-Channel 1080p HD-CVI PentaBrid DVR with 4 TB HDD AHD HD TVI, Desktop, 30 @ 1080, USB, HDMI VGA, Audio PTZ Support
Dahua Technology Lite Series X51B1E2  4-Channel 1080p HD-CVI PentaBrid DVR with 2 TB HDD AHD HD TVI, Desktop, 30 @ 1080, USB, HDMI VGA, Audio PTZ Support
Dahua Technology Lite Series X51B1E2  4-Channel 1080p HD-CVI PentaBrid DVR with 2 TB HDD AHD HD TVI, Desktop, 30 @ 1080, USB, HDMI VGA, Audio PTZ Support
Dahua Technology Lite Series X51B1E2  4-Channel 1080p HD-CVI PentaBrid DVR with 2 TB HDD AHD HD TVI, Desktop, 30 @ 1080, USB, HDMI VGA, Audio PTZ Support
Dahua Technology Lite Series X51B1E2  4-Channel 1080p HD-CVI PentaBrid DVR with 2 TB HDD AHD HD TVI, Desktop, 30 @ 1080, USB, HDMI VGA, Audio PTZ Support
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X51B1E4

$343.78

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Product End Of LifeDahua Technology X51B1E4 1080p 4 And 2CH Mini Penta-brid HDCVI, AHD, TVI, CVBS, and IP 4 TB HDD installed DVR

  • Embedded Linux Processor
  • 4 TB HDD pre-installed
  • Smart H.265+ and Smart H.264+ Dual Codec
  • Dual-stream Recording
  • 5 M-N (1296 × 1944) at 20 fps Maximum Recording Resolution
  • Four (4) HDCVI, AHD, TVI, CVBS Channels
  • 4 and 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, up to 6 TB per Hard Disk Drive
  • Five-year Warranty
Dahua Technology Pro Series X51C1E 4-Channel 1080p Pentabrid HD-CVI DVR with No HDD
Replacement Unit X51C1E4
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Data Sheet

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Dahua Technology Lite Series X51B1E  4-Channel 1080p HD-CVI PentaBrid DVR with No HDD AHD HD TVI, Desktop, 30 @ 1080, USB, HDMI VGA, Audio PTZ Support Data Sheet

User Manual

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Dahua Technology X51B1E 1080p H.265 4 Channel Penta-Brid HD-CVI DVR—No HDD Included, Mini 1U User Manual

Quick Start Guide

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Dahua Technology X51B1E 1080p H.265 4 Channel Penta-Brid HD-CVI DVR—No HDD Included, Mini 1U Quick Start Guide

Description

Dahua X51B1E4 1080p H.265 4 Channel PentaBrid HD-CVI 4 TB HDD Included Digital Video Recorder (DVR)

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.

System

  • Main Processor Embedded Processor
  • Operating System Embedded LINUX

Interface

  • Analog Camera Input Four (4) Channels, BNC
  • Preview Ability 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 at 30 fps, 720p at 60 fps, 720p at 30 fps
  • AHD 5 MP, 4 MP, 1080p at 30 fps, 720p at 30 fps
  • TVI 5 MP, 4 MP, 1080p at 30 fps, 720p at 30 fps
  • CVBS NTSC
  • IP Camera Input 4 + 2

Audio

  • Input Four (4) Channels, RCA
  • Output One (1) Channel, RCA
  • 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 × 1944), 4 M-N (1280 × 1440), 1080p, 1080 N, 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, 1080 N, 720p, 960H, D1, CIF at 30 fps.
  • 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 AAC (first channel only), 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 × 2160), One (1) VGA (1920 × 1080)
  • Native Output Resolution 1920 × 1080, 1280 × 1024, 1280 × 720
  • Maximum Decoding See Datatsheet
  • Multiscreen Display IP extension mode disabled 1/4; 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
  • Video Detection Motion Detection, MD Zones: 396 (22 × 18), Video Loss, Tampering and Diagnosis
  • Alarms Input Eight (8) Channels, 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 Ports
  • 4 TB HDD pre-installed
  • One hard drive comes pre-installed, select size

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. × 10.04 in. × 2.17 in.); HDCVI DVR Mini 1U with PFH101 Rack Mount Tray 482.6 mm x 287.15 mm x 53.0 mm (19.0 in. × 11.31 in. × 2.09 in.)
  • Net Weight without HDD 1.10 kg (2.43 lb)
  • Gross Weight 1.80 kg (3.97 lb)
  • Installation Desktop or Rack-mount

Environmental

  • Operating Temperature –10° C to +45° C (+14° F to +113° F), up to 55° C (131° F) with case fan, 10% to 90% RH
  • Storage Temperature –20° C to +70° C (–4° F to +158° F), 0% to 90% RH

Certifications

  • Safety UL 60950-1 CAN/CSA, C22.2 No. 60950-1-0, EN 60950-1/IEC 60950-1
  • Electromagnetic Compatibility (EMC) 47 CFR FCC Part 15 Subpart B:2016, EN 55032:2015, EN 61000-3-2:2014, EN 61000-3-3:2013, EN 50130-4:2011 + A1:2014, Immunity EN 55024:2010 + A1:2015

Intelligence

  • The IVS features are operational only when the additional IP channel feature is not active.
  • The HDCVI DVR supports only IVS or the additional IP channel inputs, both features cannot be in use simultaneously.
  • IVS triggers an alarm and takes a defined action for the following events:

Premium Features

  • HDCVI DVR supports IVS features on only two (2) channels simultaneously. Each channel supports up to ten (10) IVS rules.
  • Tripwire, A target crosses a user-defined line.
  • Intrusion A target enters or exits a defined perimeter.
  • Abandoned/Missing Object A target leaves an object in a designated area, or a target removes an object from the same designated area.

Additional information

Weight 5 lbs
Dimensions 14 × 12 × 6 in

Specifications

Dahua Technology X51B1E4

General

Signal AHD, Analog, HD-CVI, HD-TVI, IP
Number of Channels 4
Playback Resolution AHD:
5 MP at 30 fps
4 MP at 30 fps
1920 × 1080 at 30 fps
1280 × 720 at 30 fps
CVBS:
NTSC
HD-CVI:
5 MP at 30 fps
4 MP at 30 fps
1920 × 1080 at 30 fps
1280 × 720 at 60 fps
HD-TVI:
5 MP at 30 fps
4 MP at 30 fps
1920 × 1080 at 30 fps
1024 × 720 at 30 fps
HDMI:
3840 × 2160
VGA:
1920 × 1080
Recording Resolution 1296 × 1944 at 20 fps
1280 × 1440 at 20 fps
1920 × 1080 at 15 fps
960 × 1080 at 30 fps
1280 × 720 at 30 fps
960H at 30 fps
D1 at 30 fps
CIF at 30 fps
PTZ Support Yes
Playback Speeds 1x, 4x
Bit Rate 32 KB/s to 6.1 Mb/s (Each Channel)
64 KB/s (Each Channel, Audio)
IP Camera Support 2
Dual Streaming Yes
Decoding Resolution 4 Channels:
1296 × 1944 at 10 fps
1080p at 7 fps
720p at 15 fps
960H at 30 fps
2-Way Audio Yes
Max Sample Rate/Resolution 8 kHz / 16-Bit

Connectivity

A/V Ports 1 x HDMI Output
1 x RCA VGA Output
AHD, Analog, CVBS, HD-CVI, HD-TVI: 4 x BNC Input
AHD, Analog, CVBS, HD-CVI, HD-TVI: 4 x RCA Audio Input
1 x RCA Audio Output
Communication Ports 1 x RJ45 Fast Ethernet
1 x RS-485
2 x USB Type-A USB 2.0
Audio Connections 4 Inputs
1 Output
Drive Interfaces 1 x SATA
Wi-Fi None
Maximum User Access 128
Network Protocols DDNS, DHCP, DNS, FTP, HTTP, HTTPS, IP, IP Filter, IPv4, IPv6, NTP, P2P, PPPoE, RTSP, SMTP, TCP, UDP, UPnP
Network Bandwidth 24 Mb/s
Transmission Distance 3937′ / 1200 m
Max Frame Rate 30 fps (5 MP)

Compatibility

Supported Video Codecs H.264, H.264+, H.265, H.265+
Supported Audio Codecs AAC, G.711A, G.711U, PCM
Backup Method Network, USB Drive

System

Installed Drive None
Max Capacity Supported 6 TB
RAID Modes None
Operating System Support Android, Linux, iOS
Recording Intervals 1 to 60 Minutes (Default)
1 to 30 Seconds (Pre-Record)
10 to 300 Seconds (Post-Record)
Recording Modes Alarm, Continuous, Manual, Motion, Schedule, Stop, Tampering, Video Loss
Search Modes Alarm, Date/Time, Motion, Search
Multi-Screen Configuration 1, 4 (IP Extension Disabled)
1, 4, 6 (IP Extension Enabled)

Notifications

Alarm Connections 8 Inputs
3 Outputs
Event Trigger Buzzer, Email, FTP, PTZ, Recording, Screen Tips, Snapshot, Tour, Video Push
Number of Motion Detection Zones 396 (22 × 18)

Electrical

Power Consumption Without HDD: 12 VDC at 1.5 A (10 W)

Environmental

Operating Temperature 14 °F (ca. -10 °C)  to 131 °F (ca. 55 °C)
Operating Humidity 10 to 90%
Storage Temperature -4 °F (ca. -16 °C) to 158 °F (ca. 70 °C)
Storage Humidity 0 to 90%

Physical

Certifications CAN/CSA, FCC, UL, as per Manufacturer
Built-In Display None
Rack Form Factor 1 RU
Dimensions (W × D × H) 12.8 × 10.0 × 2.2” / 325.0 × 255.0 × 55.0 mm
Weight 2.4 lb / 1.1 kg (Without HDD)

Packaging Info

Package Weight 3.91 lb (1.77 kg)
Box Dimensions (L × W × H) 14.6” × 12” × 4.6”

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