ABL Corp.
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DHD 2U Series DVR
4, 8, 16, and 32 Channel DVR, Real-Time Recording on D1 Resolution, 8 HDD Ports, Setup Wizard


  • 4, 8, 16, & 32 channel full D1 high performance 2U standalone DVR
  • Dual-core CPU presents the powerful preview, recording, playback and network performance
  • Up to 32 cameras with 1080P realtime preview
  • H.264 dual-stream video compression
  • Full channel @D1(4CIF) realtime recording
  • HDMI / VGA / TV/ Spot(BNC) synchronous video output
  • All channel simultaneous realtime playback, GRID interface & smart search
  • Smart video detection: MD, camera blank, video loss
  • 3D intelligent positioning with Dahua PTZ dome camera
  • Easy backup: USB devices, CD/DVD-RW & network download
  • Alarm triggering screen tips, buzzer, PTZ, e-mail & FTP upload
  • Support 8 SATA HDDs up to 32TB, 1 eSATA up to 16TB, 4 USB2.0
  • Built-in web server, CMS(DSS/PSS) & DMSS
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    Specification

    Model
    DHD-412D12U
    DHD-824D12U
    DHD-1648D12U
    DHD-3296D1
    Main Processor
    High performance embedded microprocessor
    Operating System
    Embedded LINUX
    System Resources
    Pentaplex function: live, recording, playback, backup & remote access
    Control Mode
    Front panel, USB mouse, IR remote control, Keyboard, Network
    Video Input
    4 channel, BNC(1.0Vp-p, 75 ohm)
    8 channel, BNC(1.0Vp-p, 75 ohm)
    16 channel, BNC(1.0Vp-p, 75 ohm)
    32 channel, BNC(1.0Vp-p, 75 ohm)
    Video Standard
    NTSC(525Line, 60f/s), PAL(625Line, 50f/s)
    Video Output
    1 HDMI, 1 VGA, 1 TV, 1 Spot, BNC(1.0Vp-p, 75 ohm)
    Loop Output
    4
    8
    16
    No
    Audio Input
    4 channel, BNC(200-2800mV, 30K ohm)
    8 channel, BNC(200-2800mV, 30K ohm)
    16 channel, BNC(200-2800mV, 30K ohm)
    Audio Output
    1 channel, BNC(200-3000mV, 5K ohm)
    Bidirectional Talk
    1 channel Input, BNC(200-2800mV, 30K ohm), 1 channel Output, BNC(200-3000mV, 5K ohm)
    1 channel Input, BNC(200-3000mV, 10K ohm), 1 channel Output, BNC(200-3000mV, 5K ohm)
    Display Split
    1/4
    1/4/8/9
    1/4/8/9/16
    1/4/8/9/16/25/36
    Spot Split
    1/4
    1/4/8/9
    1/4/8/9/16
    1
    Resolution
    1920 x 1080, 1280 x 1024, 1280 x 720, 1024 x 768
    Tour Display
    Yes
    Privacy Masking
    4 self-defined four-sided zones, each camera
    OSD
    Camera title, time, video loss, camera lock, motion detection, recording
    Video/Audio Compression
    H.264 / G.711
    Image Resolution
    D1, Half D1, 2CIF, CIF, QCIF
    Encoding Speed
    Main Stream: D1/HD1/2CIF/CIF(1~25/30fps)
    Extra Stream: CIF/QCIF(1~25/30fps)
    Bit Rate
    32~4096Kb/s
    48~4096Kb/s
    Recording Quality
    CBR, VBR(1~6 level, level 6 is the best)
    1~6 level(level 6 is the best, VBR effectively)
    Recording Mode
    Manual, Schedule(Regular(Continuous),
    MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), Stop
    Recording Priority
    Manual >Alarm >MD >Regular
    Recording Interval
    1~120 min. (default: 60 min.), Pre-record: 1~30 sec.,
    Post-record: 10~300 sec.
    Trigger Events
    Recording, PTZ movement, Tour, Alarm, Email, FTP, spot, Buzzer & Screen tips
    Motion Detection
    Zones: 396(22x18), Sensitivity: 1~6 (level 6 is highest)
    Video Loss & Camera Blank
    Yes
    Alarm Input
    4
    8
    16
    Relay Output
    6
    5
    Playback Channel
    1/2/4/All
    1/2/4/8/16
    Search Mode
    Time/Date, Alarm, MD &
    Exact search (accurate to second), Smart search
    Playback Functions
    Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom(any size)
    Backup Mode
    Flash drive/ USB device / eSATA Device / Optional DVD burner/ Network download
    Ethernet
    RJ-45 port (10/100/1000M)
    Network Functions
    TCP/IP, UDP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Email, Alarm Server
    Remote Operation
    Monitor, PTZ control, Playback, System setting, File download, Log information
    Hard Disk
    8 SATA ports, 8 HDDs or 6 HDDs + 1 CD/DVD-RW, Up to 24TB
    8 SATA ports, 8 HDDs or 6 HDDs + 1 CD/DVD-RW, Up to 32TB
    eSATA
    4 External SATA ports, up to 12TB
    4 External SATA ports, up to 16TB
    Space Occupation
    Audio: 28.8MB/H, Video: 56~1800MB/H
    HDD Management
    HDD Group, HDD hibernation technology, HDD faulty alarm & Raid(Redundancy)
    USB Interface
    3 ports, for mouse control and backup
    RS232
    Keyboard, PC communication
    RS485
    PTZ control
    Power Supply
    AC 100~240 V, 50/60 Hz
    Power Consumption
    25W (Exclude HDD)
    30W
    40W
    Working Environment
    -10 ~ +55C / 10~90%RH / 86~106kpa
    Dimension
    2U, 440mm x 460mm x 89mm(W x D x H)
    Weight
    6.5KG(without HDD)

    *The specifications are subject to change without notice

    Download Specs