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  6. Dahua Wired&Wireless Alarm Column
  7. Dahua Wired&Wireless Alarm Column
    Dahua

    Dahua Wired&Wireless Alarm Column

    Stock Code: VTA8311A-4

    Sounds the alarm at one press and shows guidance on its screen
    An emergency alarm column that gathers the alarm button, the camera, the loudspeaker and an LCD screen in one body. The platform monitors the column, records from it and broadcasts to several terminals at the same time.
    2 MPResolution
    H.264 / H.265Video Compression
    30 WAudio output
    30 mIllumination range
    IPX5Protection Grade
    –30 °C ~ +65 °COperating Temperature
    Key features
    2MP
    Camera linkage
    The platform records video and takes snapshots on alarm.
    10.1inch
    Information screen
    The LCD screen plays ads and guidance content at 1280 × 800.
    2× RJ-45
    Ethernet ports
    Self-adaptive 10/100 Mbps ports report the alarm to two centers at once.
    30W
    Speaker and microphone
    The microphone picks up voice from 5 m away and opens two-way talk.
    30m
    IR illumination
    Day/night switching keeps the picture usable after dark.
    256GB
    Micro SD card
    The card slot holds recordings and the device keeps its logs on board.
    INSTALLATION AND USE
    One-press alarmIt connects the caller to the center and the operator answers immediately.
    Multi-terminal broadcastThe platform broadcasts to several alarm terminals at the same time.
    Camera expansionThe column expands with IPCs, speed dome and snapshot cameras, and supports a dot-matrix display.
    The built-in LCD display and remote unlocking are available on select models only.
    Ports
    Alarm Input2
    Alarm Output2
    Network Port2 × RJ-45 10/100 Mbps self-adaptive Ethernet port
    Telephone Line1 × PSTN
    SIM Card SlotYes (4G optional)
    RS-2321
    RS-4851 (supports accessing a dot-matrix display)
    Auxiliary Power Output1 × 12 V / 1 A
    Screen10.1" LCD – 1280 × 800 – 5.38 W – LVDS port
    SD Card Slot1 × Micro SD card slot (max. 256 GB)
    Video & Audio
    Video CompressionH.264 / H.265
    Audio Input1 channel, max 5.0 m pickup distance; supports external microphone
    Audio Output1 channel, max 30 W; supports active speaker
    Audio CompressionG.711a / G.711U / PCM / G.726
    Volume ControlYes
    Two-way AudioYes
    Field of ViewD: 105°
    H: 88°
    V: 44°
    Image TypeSupports importing images in PNG, JPG, BMP for ads
    Video TypeSupports importing videos in AVI, DAV, MP4 for ads
    Resolution704 × 480; 640 × 480; 1280 × 720; 1920 × 1080
    Frame Rate1–25 fps
    Illumination ModeIR illumination
    Illumination Range30 m (98.43 ft)
    Day/NightYes
    Functions
    Indicator Light2 indicators (alarm & alarm button)
    Button1 × alarm button
    External AccessoriesVertical pole
    Phone CallYes
    Video LinkageYes
    OSD OverlayUp to 5 lines, 60 characters per line on webpage
    Arm / DisarmOn webpage
    Remote UpdateYes
    Network ProtocolDHCP; UPNP; NTP
    FTP ServerYes
    Tamper2-channel door detector tamper alarm
    LogsUp to 10,000 logs (including alarm & operation logs)
    Remote Alarm Event SearchYes
    General
    LanguageEnglish
    Power Supply110–240 VAC
    Power ConsumptionIdling: 20 W (without speakers)
    Full load: 55 W
    Operating Temperature–30 °C ~ +65 °C (–22 °F ~ +149 °F)
    Operating Humidity93% @ +40 °C (+104 °F)
    Product Dimensions2,410 × 340 × 330 mm (94.88" × 13.38" × 12.99")
    Packaging Dimensions2,667 × 615 × 715 mm (105.00" × 24.21" × 28.15")
    Net Weight95 kg (209.44 lb)
    Gross Weight110 kg (242.51 lb)
    InstallationFooting cage mount
    Casing MaterialGalvanized plate
    ProtectionIPX5

    Datasheet

    VTA8311A-4

    12/18/2026

    Kullanım Kılavuzu

    VTA8311A-4

    12/18/2026

    VTA8311A-4

    12/18/2026

    Teknik Çizim

    VTA8311A-4

    12/18/2026

    VTA8311A-4

    12/18/2026

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