Dahua ASC2104B-T Four Door Slave Access Control Module
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ASC2104B-T
> Support 20,000 valid cards & 30,000 records.
> Support card, password, fingerprint and combination.
> Only work with ASC2204-H with CAN bus.
> Wiegand or RS-485 interface to readers.
> Door time out alarm, intrusion alarm, duress alarm and tamper alarm.
> Anti-passback, multi-door interlock, multi-personal open.
> Support 128 efficient time and holiday schedules.
> Watch dog function ensure device free from halting.
> Surface mounted installation.
Product Data
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System |
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Main Processor |
32bit |
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Memory |
16M |
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Input/Output Ports |
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Input |
Inputs x 9 ( door sensor x 4, exit button x 4, alarm x 1) |
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Output |
Relay x 5(door lock x 4, alarm x 1 ) |
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Reader |
Reader x 4 |
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Capacity |
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Card holders/Events |
20,000/30,000 |
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Function |
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Access control |
Anti-pass back, Multi-interlock, Multi-personal unlock |
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User Management |
General, VIP, Guest, Patrol, Blocklist, Duress |
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Alarm Function |
Door time out alarm, Intrusion alarm, Duress alarm, Tamper alarm |
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Period |
Support 128 groups of schedule, 128 groups of period and 128 groups of holiday period |
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Interface |
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To Master controller |
CAN H, CAN L |
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To Reader |
Wiegand/ RS485 |
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Genreal |
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RTC |
Yes |
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Power Supply |
DC 9-15V/500mA |
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Operating Temperature |
–30°C to +60°C |
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Working Humidity |
≤95% |
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Dimension(W × D × H) |
116.0mm×155.6mm×51.2mm |
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Weight |
0.5 kg |
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Working Environment |
Indoor |
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Certificates |
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CE |
Yes |
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FCC |
Yes |
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Order & Pricing Information for Surveillance Products
Please note the following important details when ordering surveillance products from ICCTVZONE:
- Order confirmation: After you place an order, please check the confirmation email from our team. We will confirm stock, lead time and shipping before dispatch.
- Stock & replacements: Inventory status is not real-time. If an item is out of stock, we may propose a compatible replacement model for your approval.
- Final pricing: Prices shown are indicative. The final price is confirmed on the Proforma Invoice (PI) after order confirmation.
- Project-specific pricing: Some products are configured for project requirements; pricing may vary with quantity and specification.
- Minimum order: A minimum order value may apply to non-stock or project items; our team will confirm before processing.
- Shipping costs: Shipping is calculated separately and added to the order total.
- Duties & taxes: Import duties, taxes and customs clearance fees are not included in the product price or shipping quote. These charges are the customer's responsibility.
- Genuine products: We supply genuine products from leading brands with current firmware.
- Technical support: Our engineers provide pre-sales and after-sales technical support.
- Warranty: Warranty terms depend on the product and order type; we will confirm the applicable coverage in writing.
Questions? Contact sales@icctvzone.com.
Product Features
What this model is for, what it does well, and what to confirm before it goes on a project.
Expanding a Dahua ASC2204-H master controller to manage four additional doors with readers, sensors, locks and alarms.
Connects up to four readers over Wiegand or RS-485 so one module covers multiple doors.
Holds 20,000 card holders and 30,000 records to keep access and event history available on the device.
Raises door timeout, intrusion, duress and tamper alarms to help staff respond to security events.
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