# Security door controller Dahua DHI-ASC2202B-S — 2-door bare controller, 12 V, 24 W, RJ-45/RS-485

**URL:** https://aio.lv/en/product--dahua-asc2202b-s--11683730
**Data updated:** 2026-01-30 13:38 (EET)
**Category:** Control Systems
**Manufacturer:** DAHUA
**Manufacturer code:** ASC2202B-S
**EAN:** 6939554993398
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 207.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 171.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-asc2202b-s--11683730

## Delivery options

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

## Summary description

Dahua DHI-ASC2202B-S is a bare 2-door security door controller designed for access control systems. It supports Ethernet (10/100 Mbps) and RS-485 connectivity, operates from 12 V with 1 A current and typical power consumption of 24 W. Certified to CE/FCC/UL standards. Compact unit (155×106×50 mm) suitable for office or small building access management.

## Long description

Dahua DHI-ASC2202B-S is a bare 2-door access controller designed for integration into access control systems. The unit supports Ethernet (10/100 Mbps) and RS-485 communication, accepts PoE power supply, and runs from a 12 V supply with typical power consumption of 24 W. It stores up to 100,000 users and 500,000 card swipe records and includes real-time clock with manual or automatic synchronization. The compact bare case makes it suitable for installation inside control cabinets or enclosures in office and small building environments.
Advantages
The controller supports multiple communication protocols (TCP/IP, RS-485, Wiegand W26/W34) for flexible system integration and offers large on-board capacity for users and event logs. Built-in features such as interlock, anti-passback, remote unlock, various alarm types, power-off memory protection, watchdog and online upgrade support improve reliability and operational continuity. PoE support and standard RJ-45 interface simplify cabling and deployment.
Suitable for
Small to medium office access control (two doors)
Reception or server room entry management
Integration into centralized security systems over Ethernet or RS-485
Enclosed installations inside control cabinets or electrical rooms
Key specifications
Supported doors: 2
Communication interfaces: Ethernet (10/100 Mbps, RJ-45), RS-485, Wiegand (W26/W34)
User capacity: 100,000 users
Event log capacity: 500,000 card swipe records
Power input: 12 V DC, typical power consumption 24 W; PoE supported
Supported features: interlock, group combination, anti-passback, remote unlock
Alarm types: card reader tamper, intrusion, door sensor timeout, duress, illegal card threshold, incorrect password
Built-in real-time clock with manual and auto synchronization
Memory protection on power loss; online firmware upgrade; watchdog support
Operating temperature range: -30 to 60 °C
Dimensions (L×W×H): 155 × 106 × 50 mm
How to use
Install the bare controller inside an appropriate enclosure and connect to the building network via RJ-45 or to a field bus via RS-485. Provide 12 V DC power or use PoE where available. Connect door locks, exit buttons, door sensors and card readers using the supported Wiegand or RS-485 interfaces according to wiring diagrams. Configure user accounts, access rules, interlock and anti-passback settings through the management software or central controller. Ensure the device clock is synchronized either manually or via automatic time synchronization.
Usage recommendations
For reliable operation, mount the controller in a ventilated, secure enclosure away from direct moisture and extreme heat; use stable 12 V power supply or PoE with adequate surge protection, and perform regular firmware updates and backups of user and event data.

## Specifications

| Feature | Value |
|---|---|
| Interface | RJ-45 / RS-485 |
| Weight | 0.4 kg |
| Certification | CE/FCC/UL |
| Power consumption (typical) | 24 W |
| Operating relative humidity (H-H) | 5 - 90 |
| Operating temperature (T-T) | -30 - 60 |
| Ethernet LAN | Yes |
| Height | 50 mm |
| Width | 155 mm |
| Depth | 106 mm |
| Number of users | 100000 user(s) |
| Ethernet LAN (RJ-45) ports | 1 |
| Case design | Bare |
| Ethernet LAN data rates | 100, 10 |
| Package depth | 141 mm |
| Package height | 87 mm |
| Package width | 190 mm |
| Operating voltage | 12 V |
| RS-485 ports | 3 |
| DC voltage range | 12 |
| Operating current | 1 A |
| Maximum number of doors | 2 door(s) |
| Built-in UPS | No |
| Number of Wiegand readers supported | 2 |
| Exit button supported | Yes |
| Alarm input channels | 2 |
| Wiegand interface | Yes |

## FAQ

### How much does the Dahua DHI-ASC2202B-S 2-door security controller cost, and is it available for purchase?

The price is 207.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 Tuesday 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Dahua DHI-ASC2202B-S 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 DHI-ASC2202B-S 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/11683730/67023257_large.webp