Dahua · DHI-ASR2100H-D
The Dahua DHI-ASR2100H-D is a slim, outdoor-ready access control card reader. This model is part of the ASR2100H series and is specifically designed for high reliability in varying environments. Series Overview This series features a "Slim Model" design that is suitable for space-constrained installations such as door frames. It is constructed with a PC and ABS plastic housing, making it durable for use in industrial zones, office buildings, and residential areas. Key Features Proximity Reading: Supports contactless recognition of ID cards (125 kHz). Weatherproof & Robust: Rated IP66, making it dustproof and waterproof for outdoor installations. Communication Protocols: Supports RS-485 and Wiegand 34 (Wiegand 26 can be customized) for connection to access controllers. Advanced Protection: Includes overcurrent and overvoltage protection for all connection ports and a built-in tamper alarm to prevent unauthorized removal. System Stability: Equipped with a built-in watchdog that monitors the device and performs automatic recoveries if it behaves abnormally. User Feedback: Provides clear