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header-product Dahua Technology ASC2204B-S security door controller Bare 4 door(s) RS-485
158.99 €

Dahua Technology ASC2204B-S security door controller Bare 4 door(s) RS-485

Dahua Technology ASC2204B-S security door controller Photo 1
Dahua Technology ASC2204B-S security door controller Photo 2
Dahua Technology ASC2204B-S security door controller Photo 1
Dahua Technology ASC2204B-S security door controller Photo 2
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Dahua Technology ASC2204B-S security door controller Bare 4 door(s) RS-485

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Short description

The Dahua Technology ASC2204B-S is a security door controller designed for managing access to up to 4 doors. It features RS-485 communication for reliable connectivity. Ideal for enhancing security in various settings, it provides efficient control and monitoring of access points.
Available for order: 6 pcs.
Warranty: 2 Years
SKU: 11636952
Manufacturer: DAHUA
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
07.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
10.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.55 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
10.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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pay in 3 equal parts

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3 mth. х 53 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 4.42 euros per month
Together cheaper
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Product information

Description

The Dahua Technology ASC2204B-S security door controller is a compact bare unit engineered to manage access for up to four doors. Designed for integration into building access systems, it supports both RS-485 and Wiegand communication and offers TCP/IP connectivity for centralized management. The controller stores user records and swipe logs locally, supports power-off memory protection and online firmware updates, and includes built-in real-time clock functionality for accurate event timestamping.

Advantages

This controller combines multiple communication options (RS-485, Wiegand and TCP/IP) to fit diverse installation topologies and legacy readers. High-capacity local storage for users and swipe records reduces dependency on immediate server connectivity while enabling reliable offline operation. The device supports common access control functions—interlock, group combination, anti-passback and remote unlock—helping implement complex access policies. A range of alarm inputs and tamper detection improves site security, and PoE support simplifies power and network cabling for installations that use Power over Ethernet.

Suitable for

  • Small to medium commercial buildings with up to four controlled entrances
  • Office suites requiring centralized access management and event logging
  • Parking or service doors integrated into an existing access control network
  • Sites needing offline record retention and local decision-making for access

Key specifications

  • Door capacity: up to 4 doors
  • Communication interfaces: RS-485, Wiegand (W26/W34), TCP/IP
  • User capacity: up to 100,000 users stored locally
  • Event log capacity: up to 500,000 card swipe records
  • Access control features: interlock, group combination, anti-passback, remote unlock
  • Alarm support: reader tamper, intrusion, door sensor timeout, duress, illegal card threshold, incorrect password
  • Time features: built-in RTC, manual and automatic time synchronization
  • Power options: Power over Ethernet (PoE) support and power-off memory protection
  • Reliability: watchdog protection and support for online firmware upgrades
  • Environmental operating range: -30 °C to 60 °C
  • Form factor: bare case for rack or system integration

How to use

Install the controller in a suitable equipment enclosure and connect door hardware, readers and sensors according to the installation plan. Choose the appropriate communication method—RS-485 or Wiegand—for each reader and connect network cabling for TCP/IP or PoE where available. Configure system parameters and user credentials through the management software, define access zones, schedules and anti-passback policies, and synchronize the device clock. After configuration, verify door inputs, exit buttons and alarm responses, and test user enrollment and event logging to confirm correct operation.

Usage recommendations

For reliable performance, plan cable runs to minimize electrical interference on RS-485 lines, use quality readers compatible with Wiegand formats W26 or W34, and back up configuration data regularly. If PoE is used, ensure the switch provides adequate power budget. Schedule firmware updates during maintenance windows and test alarm integration with the central monitoring system.

All features
Interface:
RS-485
Certification:
CE/FCC/UL
Power consumption (typical): Power consumption in switched-on state expressed in W.
41.6 W
Supported network protocols:
IPv4; TCP; UDP
Operating relative humidity (H-H):
5 - 90
Package weight:
600 g
Operating temperature (T-T):
-30 - 60
Height:
106 mm
Width:
210 mm
Depth:
50 mm
Number of users:
100000 user(s)
Case design:
Bare
Package depth:
87 mm
Package height:
166 mm
Package width:
255 mm
Operating voltage:
12 V
Active tampering alarm:
Yes
RS-485 ports:
5
Operating current:
1.4 A
Maximum number of doors:
4 door(s)
Built-in UPS:
No
Number of Wiegand readers supported:
4
Exit button supported:
Yes
Alarm input channels:
1
Wiegand interface:
Yes
Power consumption (no load):
0.8 W

Description

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Customer reviews

Customer questions

FAQ

How much does the Dahua Technology ASC2204B-S security door controller cost, and is it available for purchase?

The price is 158.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 07.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Dahua Technology ASC2204B-S security door controller be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Dahua Technology ASC2204B-S security door controller online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All DAHUA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DAHUA service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for Dahua Technology ASC2204B-S security door controller?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.