SKU: 42320040429

DAHUA ASC2204B-S 4 Door One-way Access Controller

$134.06 $148.95
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Description

DAHUA ASC2204B-S 4 Door One-way Access ControllerASC2204B S > Support TCP IP communication > Two dual communication protocols: RS 485 and Wiegand (W26 and W34) > Holds 100,000 users and stores 500,000 card swiping records > Support interlock, group combination, anti passback, remote unlock, and more > Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm > Built in RTC, support manual time

ASC2204B-S

> Support TCP/IP communication

> Two dual communication protocols: RS-485 and Wiegand (W26 and W34)

> Holds 100,000 users and stores 500,000 card swiping records

> Support interlock, group combination, anti-passback, remote unlock, and more

> Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm

> Built-in RTC, support manual time synchronization and auto time synchronization

> Support power-off memory protection and online upgrade

> Support watchdog (a device that protects a system from software or hardware failures)

> Support PoE power supply




Product Data

System

Internet Protocol

IPv4; TCP; UDP

OSDP Protocol

Yes

SDK and API

Yes

Basic

Product Appearance

Model B slide rail

Buzzer

Yes

Casing Material

PC+ABS

Function

Unlock Mode

Card/remote/password/fingerprint unlock

Period List

128

Holiday Period

128

Network Update

Yes

First-Card Unlock

Yes

Remote Verification

Yes

Blocklist/Allowlist

Yes

Peripheral Card Reader

4 RS-485 card readers
4 Wiegand card readers

Multi-door Interlock

Yes

Group Combination

Card/password/fingerprint unlock

Real-Time Surveillance

Yes

Multiple Authentication

Yes

User

User (Card) Type

General user, VIP user, patrol user, guest user, blocklist user, and other user

Capacity

User

100,000

Fingerprint

3,000

Card

100,000

Record Capacity

500,000

Port

RS-485 Port

5 RS-485 ports

Wiegand

4 Wiegand ports

Network

One 10/100 Mbps network port

Alarm Input

1 (digital quantity)

Alarm Output

1 (relay)

Alarm Linkage

Yes

Exit Button

4

Door Status Detection

4

Lock Control

4, stays open by default

Alarm

Anti-Passback

Yes

Tamper

Yes

Duress

Yes

Door Sensor Timeout

Yes

Intrusion

Yes

Illegal Card Exceeding Threshold

Yes

Duress Fingerprint

Yes

General

Power Supply

Standard POE (an additional power supply for the door lock is needed);

DC 12V (support supplying power to the door lock)

IP Rating

IP20, IK04

Power Consumption

Standby 1.0W, working 13.0W (Standard PoE; rated voltage of the card reader power supply is 12V, and the total max. rated current is 1.4A);

Standby 0.8W, working 41.6W (DC 12V; rated voltage of the card reader power supply is 12V, and the total max. rated current is 1.4A; rated voltage of the door lock power supply is 12V, and the total max. rated current is 2A)

Product Dimensions

210 mm × 106 mm × 50 mm (8.27”× 4.17”× 1.97”)

Packaging Dimensions

Packaging box: 255 mm × 166 mm × 87 mm (10.04”× 6.54”× 3.43”)
Protective box: 508 mm × 265 mm × 190 mm (20.0”× 10.43”× 7.48”)

Operating Temperature

–30°C to +60°C (–22°F to +140°F)

Operating Humidity

5%RH–90%RH (no condensation)

Operating Altitude

0 m–1300 m (0 ft–4265.10 ft)

Operating Environment

Indoor

Gross Weight

0.6 kg (1.33 lb)

Installation

Surface/guide rail mount

Certification

CE/FCC/UL
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42320040429

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4.3 ★★★★★
Based on 5 reviews
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Product Reviews
R
Verified Purchase
Ryan Y.
Birmingham, US
★★★★★ 2
Poor durability
Style: Bundle
Stuffing was everywhere in minutes. The fabric is as thin as a carnival prize. I like the idea but it needs better execution.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Been an hour! Update days later
Style: Bundle, Style: Bundle
And he is still going at the brown monkey. I am shocked. Usually he's ripped his toy to shreds right now. LOL. Amazing! I'll update this review with the photo and the actual time to destruction. Update: Few days later, he killed it. Not sure where the stuffing came from inside the monkey, but we put it back together and loves to sleep with it. He's working on it again. I am just so amazed. I thought he was gonna finish it tonight, but he got tired since his job wasn't accomplished. LOL
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
M
Verified Purchase
michelle
Fort Morgan, US
★★★★★ 1
Will NOT last more than a few days!
Style: Bundle, Style: Bundle
Fun for about 2 days then the tearing off of the legs, led to tearing it up to get the stuffing out. The ears and tail do not tear off and that was the first thing to go, then the destruction continued until it was nothing but a pile of fluff and sadness. Not durable at all, but they were happy to destroy it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
D
Verified Purchase
D. Shaw
Birmingham, US
★★★★★ 3
Good toy but snags carpet + difficult for small dog
Style: Bundle
My biggest complaint is the Velcro placement. When the arms and legs are detached, the rough (hook) side of the Velcro is on those pieces, so they stick to and snag the carpet. The soft (loop) side is attached to the body of the toy. I really wish this were reversed to prevent snagging. Also, my small 10 lb dog isn’t quite strong enough to detach the arms and legs when they’re fully secured. We have to fasten them loosely to make it manageable for her.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
J
Verified Purchase
Jackie
Belleville, US
★★★★★ 4
Lasted as long as we could hope for with our dogs. It will probably last longer with ‘normal’ dogs.
Style: Bundle
S: I LOVE these toys! They are awesome! V: Yeah. Me too. I really enjoy stealing them from you. S: You can barely catch me. You only take them from me when I LET you take them. V: Keep talking like that. I will sit on you. S: That’s a pretty valid threat. You’re sort of fat. V: Finish telling everyone about the toys. S: Oh yeah. So the arms and legs came off like they’re supposed to. Then the stuffing came out. Then the squeaker came out. All I have left is the carcass - but I’m happy with that. I like taking it around the house with me. V: I like sneaking it away and leaving it outside when you aren’t looking. S: Wait. What? V: Yeah, you’re the “smart girl” because you bring the ball back. I’m the one that can be sneaky, though, because no one expects it of me. Don’t be jealous. S: Ball?! Where’s the ball?! S = Sheba the 2 yr old German Shorthaired Pointer V = Varric the 10 yr old PitBull
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026

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