AC-825IP-U Four Door IP Access Controller Network Security Expansion System

AC-825IP-U 4 Door IP Access Controller from Rosslare Security is a powerful and scalable networked access control solution designed for medium to enterprise-level commercial security installations. Engineered to manage up to 58 doors, 60,000 users, and 500,000 history log events, this intelligent controller serves as the foundation for advanced access management systems in commercial buildings, campuses, healthcare facilities, and institutional environments. Built with onboard TCP/IP networking and AES 128-bit encryption, the AC-825IP-U delivers secure, reliable communication with AxTraxNG™ software for centralized access control administration.

Scalable Performance for Expanding Security Systems

Designed with flexibility in mind, the AC-825IP-U supports up to 4 doors out of the box and expands up to 58 doors using Rosslare expansion modules. Featuring OSDP reader compatibility, multiple auxiliary inputs and outputs, onboard expansion capability, and dual RS-485 communication buses, this controller enables seamless integration into modern access control infrastructures. A built-in SD card slot, real-time clock backup, and intelligent power monitoring improve operational reliability and simplify system maintenance.

• Supports up to 58 doors and 60,000 users
• 500,000 FIFO history event storage capacity
• AES 128-bit encrypted TCP/IP communication
• Bi-directional communication with AxTraxNG™ server
• Supports OSDP readers and expansion modules
• Integrated SD card slot with included 8GB card
• Real-time clock backup maintains time without battery replacement
• Dual RS-485 communication buses for expanded connectivity

Commercial Access Control Built for Reliability

The controller includes a spacious lockable enclosure with cable management features, tamper detection, enclosure illumination, and intelligent battery monitoring. Its built-in power management system supports 12VDC operation with backup battery integration for uninterrupted performance during power interruptions. Installers benefit from simplified deployment while facility operators gain dependable access management and monitoring capabilities.

• Commercial office buildings and business campuses
• Educational institutions and healthcare facilities
• Industrial and manufacturing environments
• Multi-building enterprise security deployments

Security professionals seeking a high-capacity enterprise access controller can rely on the Rosslare AC-825IP-U for secure communication, flexible expansion, and dependable operation in demanding commercial environments. Ideal for organizations requiring scalable access control infrastructure with centralized management capabilities.

Technical Specifications

• Model: AC-825IP-U
• Power Supply Voltage: 12 VDC
• Maximum Power Current: 4 Amps
• Door Capacity: Up to 58 doors expandable
• User Capacity: 60,000 users
• History Log Capacity: 500,000 events (FIFO)
• Reader Support: Wiegand and OSDP readers
• Inputs: 12 supervised inputs
• Outputs: 6 Form-C relays expandable
• Networking: TCP/IP onboard connectivity
• Communication Buses: 2 RS-485 buses
• Encryption: AES 128-bit
• Battery Support: 12V sealed lead acid battery up to 7Ah
• Storage: SD card slot with included 8GB card
• Expansion Capability: Supports up to 12 expansion boards