Dahua VTNS2003B-2-A 2-Wire Intercom Switch
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Dahua

Dahua VTNS2003B-2-A 2-Wire Intercom Switch

SKU: VTNS2003B-2-A
Description

The Dahua VTNS2003B-2-A is a two-wire intercom switch with Ethernet connectivity. It provides two RJ45 ports, two two-wire cascade ports and a two-wire device connection. The unit requires a compatible 48 VDC power supply and mounts on a guide rail. View Dahua product specifications.
$151.35 AUD $151.35 AUD $158.92 AUD
Sale 4.76% $7.57 AUD (4.76%)
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Delivery, warranty & returns · ships same day before 2pm
  • Same-day dispatch on in-stock orders placed before 2pm, Sydney time.
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  • 3-year warranty on cameras and recorders, back-to-base, plus your Australian Consumer Law rights.
  • 30-day returns on unopened items. Faulty on arrival? We cover return shipping.
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In stock

§ 01Overview

What the VTNS2003B-2-A is

The Dahua VTNS2003B-2-A is a two-wire intercom switch with Ethernet connectivity.

Select it for a supported two-wire intercom system that requires a connection to Ethernet. Match the connected stations and cascade arrangement to the system design.

Confirm compatibility with the exact intercom devices and calculate the required system supply. The power adapter is optional; the two-wire ports are not interchangeable with Ethernet PoE ports.

§ 02Engineering

VTNS2003B-2-A specifications

Dahua VTNS2003B-2-A System — 2-wire intercom communication
Power — 48 VDC supply, 1 A to 5 A
Ethernet — Two 10/100 Mbps RJ45 ports
Cascade ports — Two 2-wire cascade ports
Device connection — One 2-wire device port
Mounting — Guide rail mounting
Dimensions — 131.1 mm × 103 mm × 40 mm

§ 03Full datasheet

Detailed specifications

Specification

Specification — Dahua VTNS2003B-2-A 2-Wire Intercom Switch
FeatureDetail
System 2-wire intercom communication
Power 48 VDC supply, 1 A to 5 A
Ethernet Two 10/100 Mbps RJ45 ports
Cascade ports Two 2-wire cascade ports
Device connection One 2-wire device port
Mounting Guide rail mounting
Dimensions 131.1 mm × 103 mm × 40 mm

§ 08Questions

Frequently asked about the VTNS2003B-2-A

Q.01

What is the VTNS2003B-2-A?
The Dahua VTNS2003B-2-A is a two-wire intercom switch with Ethernet connectivity.
Q.02

What system does it connect?
2-wire intercom communication.
Q.03

What supply is required?
48 VDC supply, 1 A to 5 A.
Q.04

What Ethernet ports are provided?
Two 10/100 Mbps RJ45 ports.
Q.05

What cascade connections are provided?
Two 2-wire cascade ports.
Q.06

How is system equipment connected?
One 2-wire device port.
Q.07

What should I check before ordering?
Confirm compatibility with the exact intercom devices and calculate the required system supply. The power adapter is optional; the two-wire ports are not interchangeable with Ethernet PoE ports.

Buying from Smarket

Is your Hikvision, Dahua, HiLook and TP-Link VIGI stock genuine Australian stock?

Yes, 100%. Every Hikvision, Dahua, HiLook and TP-Link VIGI product we sell is a genuine Australian-market model sourced through Australian supply chains — never grey imports. That means factory-sealed units, Australian-region firmware that works with the official apps out of the box, and a full 3-year local warranty.

How long does delivery take?

Order before 2pm (Sydney time) on a business day and in-stock items are dispatched the same day. Most orders arrive within 1–4 business days Australia-wide; remote and regional areas can take a little longer. You'll receive a tracking number by email as soon as your order leaves the warehouse.

How much is shipping?

Standard shipping is free on all orders over $300 AUD, Australia-wide. Orders under $300 ship at a flat rate of $25, calculated at checkout. Tracking is included on every order.

What warranty do you offer?

All cameras, NVRs and DVRs come with a 3-year back-to-base manufacturer warranty covering defects in materials and workmanship, in addition to your rights under Australian Consumer Law. Hard drives and accessories are covered as set out in our Warranty Policy.

What is your return policy?

You have 30 days from the day you receive your order to request a change-of-mind return. Items must be unopened, factory-sealed and in resalable condition. A 15% restocking fee applies and return postage is at your cost. Faulty or incorrectly supplied items are different: we cover the return shipping and refund or replace at no charge. Read the full Return & Refund Policy.

Do you offer installation?

We can connect you with licensed installers in Sydney and Melbourne. Installation typically starts from around $200 per camera depending on cable runs and site conditions. Email sales@smarket.com.au with your address and camera count for a quote.

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