# Security door controller DAHUA ASC2202B-D — 2-door bare controller, 12 V, 1.4 A, RS-485, 210×50×106 mm

**URL:** https://aio.lv/en/product--dahua-asc2202b-d--11683960
**Data updated:** 2026-01-30 13:38 (EET)
**Category:** Control Systems
**Manufacturer:** DAHUA
**Manufacturer code:** ASC2202B-D
**EAN:** 6939554993404
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 158.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 131.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-asc2202b-d--11683960

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

DAHUA ASC2202B-D is a 2-door bare security door controller with RS-485 interface designed for access control installations. It operates at 12 V with a typical current of 1.4 A and typical power consumption of 41.6 W. Compact dimensions (210×50×106 mm) make it suitable for cabinet mounting. Certified CE/FCC/UL, it supports reliable door control and integration with access systems.

## Long description

DAHUA ASC2202B-D is a 2-door bare security door controller with RS-485 interface designed for access control installations. It operates from a 12 V power supply with a typical current of 1.4 A and typical power consumption of 41.6 W. The compact bare-case design (210 × 50 × 106 mm) is suitable for cabinet or panel mounting and enables integration with other access control equipment via TCP/IP and RS-485.
Advantages
The controller supports dual communication protocols (RS-485 and Wiegand W26/W34), PoE power input and watchdog protection, and includes a built-in RTC with manual and automatic time synchronization. It stores up to 100,000 users and 500,000 card swipe records and provides multiple alarm inputs and anti-tamper features for reliable access control operation across two doors.
Suitable for
Small-to-medium access control installations with up to two controlled doors
Cabinet or panel mounting in security or network closets
Systems requiring high user and event storage capacity
Environments needing RS-485 or Wiegand reader integration
Key specifications
Supported communications: TCP/IP, RS-485, Wiegand (W26, W34)
User capacity: 100,000 users
Event storage: 500,000 card swipe records
Controlled doors: up to 2
Power supply: 12 V, typical current 1.4 A, typical power consumption 41.6 W; PoE supported
Operating temperature range: -30 to 60 °C
Form factor: bare case for cabinet/panel installation; dimensions 210 × 50 × 106 mm
Supported features: interlock, group combination, anti-passback, remote unlock, exit button
Alarm support: reader tamper, intrusion, door sensor timeout, duress, illegal card threshold, incorrect password
Timekeeping and maintenance: built-in RTC, manual and auto time synchronization, power-off memory protection, online upgrade support
How to use
Mount the bare controller in a suitable cabinet or panel and connect power (12 V or PoE if available), network (TCP/IP) and RS-485 or Wiegand reader interfaces as required. Configure door, user and alarm settings through the supported access control management software, synchronize time using the RTC or network time, and verify inputs such as exit button and door sensors. Ensure wiring follows the manufacturer's guidelines for lock outputs, sensor inputs and alarm circuits.
Usage recommendations
Use the controller in a temperature-controlled enclosure to maintain the specified operating range, keep firmware updated via online upgrade to ensure security and stability, and implement proper grounding and surge protection when installing network and power connections.

## Specifications

| Feature | Value |
|---|---|
| Interface | RS-485 |
| Weight | 0.6 kg |
| Certification | CE/FCC/UL |
| Power consumption (typical) | 41.6 W |
| Operating relative humidity (H-H) | 5 - 90 |
| 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 | 2 door(s) |
| Built-in UPS | No |
| Number of Wiegand readers supported | 4 |
| Relay inputs | 4 |
| Exit button supported | Yes |
| Alarm input channels | 4 |
| Wiegand interface | Yes |
| Power consumption (no load) | 0.8 W |

## FAQ

### How much does the DAHUA ASC2202B-D 2-door security 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 — 5 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 13.07.2026 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 ASC2202B-D 2-door security controller be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for DAHUA ASC2202B-D 2-door security 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.

## Image

https://aio.lv/img/cache/product/11683960/67023040_large.webp