VTA8311A
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.
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 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
