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Dahua DHI-ASR2100H Card Reader
> Card reading to open a door > RS-485 and Wiegand-34 data interfaces (Wiegand-26 support on request) > Audible and visual indication > Anti-tamper alarm > Built-in watchdog timer can monitor the state
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Type
Card reader
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Protection
IP66
Specifications
- Type
- Card reader
- Protection
- IP66
Description
Dahua DHI-ASR2100H is a card reader for access control systems with an IP66-rated housing, designed for operation in harsh conditions. The device identifies a card when it is presented and transmits a door-open command via the RS-485 and Wiegand-34 interfaces. Built-in audio and light indication informs the user of granted or denied access, while the anti-theft alarm protects the reader from removal. A built-in watchdog timer autonomously monitors the device's functionality.
Advantages
- IP66 protection: complete resistance to dust and strong water jets for reliable outdoor operation
- Audio and light indication: instant feedback for the user at every access event
- Anti-theft alarm: an alarm is triggered upon any attempt at unauthorized removal of the reader
- Built-in watchdog timer: automatic monitoring of the device's status without administrator intervention
- RS-485 and Wiegand-34 interfaces: compatibility with a wide range of access controllers
- High housing protection level: suitable for industrial and outdoor operation
Applications
- Outdoor passage points at industrial enterprises and infrastructure facilities
- Checkpoints and entrance areas with high vandal-resistance requirements
- Facilities located in zones with an aggressive weather environment
- Access control systems in warehouse and logistics complexes
- Integration into comprehensive security systems based on Dahua equipment
Frequently asked questions
What happens if someone attempts to tear the reader off the wall?
The built-in anti-theft alarm detects unauthorized removal and transmits an alarm signal to the controller.
Does the ASR2100H support the Wiegand-26 protocol?
Yes, Wiegand-26 support is available on request — specify this when ordering.
What is the dust and moisture protection level of the reader?
The housing meets the IP66 class: the device is protected from full dust ingress and strong water jets.
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