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VTA8311AB

Dahua Wired&Wireless Alarm Column

> With its 2-MP high-definition camera, the device supports video and snapshot linkage, and OSD overlay on the webpage.

> 30 W speakers and highly sensitive microphones are included.

> The 2 RJ-45 10/100 Mbps self-adaptive Ethernet ports allow alarms to be reported to 2 alarm receiving centers at the same time.

> Supports two-way voice talk and calling through the platform or management device to broadcast your voice.

> Supports being linked to alarm receiving centers. Similar to a landline telephone, the included PSTN module allows phone calls to be made.

> Supports accessing PTZ cameras, bullet cameras, and LEDs.

  • Specifications
  • Accessories
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  • selector-pcimg

    Product Selector

    Port

    Alarm Input

    2

    Alarm Output

    2

    Network Port

    2 × RJ–45 10/100 Mbps self-adaptive Ethernet port

    Telephone Line

    1 × PSTN

    SIM Card Slot

    Yes (4G is optional)

    RS-232

    1

    RS-485

    1 (supports accessing a dot-matrix display)

    Auxiliary Power Output

    1 × 12 V/1 A

    SD Card Slot

    1 × Micro SD card slot (maximum 256 GB)

    Video & Audio

    Video Compression

    H.264/H.265

    Audio Input

    Supports 1 audio input channel with a maximum pickup distance of 5.0 m (16.40 ft)
    Supports accessing an external pickup.

    Audio Output

    Supports 1 audio output channel with a maximum power of 30 W
    Supports accessing an active speaker.

    Audio Compression

    G.711a/G.711U/PCM/G.726/AAC

    Volume Control

    Yes

    Two-way Audio

    Yes

    Field of View

    D: 105°
    H: 88°
    V: 44°

    Resolution

    704 × 480; 640 × 480; 1280 × 720; 1920 × 1080

    Frame Rate

    1–25 fps

    Illumination Mode

    IR illumination

    Illumination Range

    30 m (98.43 ft)

    Day/Night Switch

    Yes

    Function

    Indicator Light

    2 function indicators (alarm and alarm button)

    Button

    1 × alarm button

    External Accessories

    Vertical pole

    Phone Call

    Yes

    Video Linkage

    Yes

    Camera Video and Snapshot Linkage

    Yes

    OSD Overlay

    Up to 5 lines can be added with 60 English letters in each line on webpage

    Arm and Disarm

    Arming/Disarming on webpage

    Remote Update

    Yes

    Network Protocol

    DHCP; UPNP; NTP

    FTP Server

    Yes

    Tamper

    2-channel door detector tamper alarm

    Logs

    Stores up to 10,000 logs, including alarm events and operation logs

    Search for Remote Alarm Event

    Yes

    General

    Language

    English

    Power Supply

    110–240 VAC

    Power Consumption

    Idling: 20 W (without speakers)
    Full load: 55 W"

    Operating Temperature

    –30 °C to +65 °C (–22 °F to +149 °F)

    Operating Humidity

    93% & +40 °C (+104 °F)

    Product Dimensions

    2,410 mm × 340 mm × 330 mm (94.88" × 13.38" × 12.99")

    Packaging Dimensions

    2,667 mm × 615 mm × 715 mm (105.00" × 24.21" × 28.15")

    Net Weight

    95 kg (209.44 lb)

    Gross Weight

    110 kg (242.51 lb)

    Installation

    footing cage mount

    Casing Material

    Galvanized plate

    Protection

    IPX5