VTA8311A-4
Dahua Wired&Wireless Alarm Column
> Supports one-press alarm.
> The platform can make videos, take snapshots and monitor the alarm terminal.
> The platform can broadcast to multiple alarm terminals simultaneously.
> Extend with IPC, speed dome and snapshot camera.
> Dot matrix display can be connected to show information.
> The 10-inch built-in LCD display can play advertisements and provide guidance information (only applicable on select models).
> Remote unlock (only applicable on select models).
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
Screen
10.1" LCD–1280 × 800–5.38 W–LVDS port
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
Volume Control
Yes
Two-way Audio
Yes
Field of View
D: 105°
H: 88°
V: 44°Image Type
Supports importing images in PNG, JPG, and BMP formats for advertisements
Video Type
Supports importing videos in AVI., DAV, and MP4 formats for advertisements
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
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 WOperating 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
