AC-425-BU Expandable 4 Reader IP Networked Access Control Panel
The AC-425-BU expandable access control panel delivers advanced entry management for commercial and institutional environments. It supports up to 30000 active credentials and 30000 PIN codes with capacity for 20000 offline event records. The system supports online and offline operation with expansion capability for added readers inputs and outputs. Real time clock backup protection helps maintain system performance during power loss for dependable security management.
- Supports 30000 active credentials
- Stores 20000 offline event records
- Expandable for readers inputs and outputs
- Online and offline operation support
- Real time clock backup protection
Supports up to 4 readers with expandable architecture, providing a scalable access control solution for commercial and institutional environments.
Powered by TCP/IP Ethernet connectivity and compatible with Rosslare AxTraxNG™ and AxTraxPro™ management platforms for advanced access control and automation.
Handles up to 30,000 active credentials and 30,000 PIN codes for high-capacity user management capabilities.
Stores up to 20,000 non-volatile FIFO event records, maintaining event history even during offline operation.
Supports 128 access groups, 128 access areas, 128 time zones, and 64 holidays for flexible security scheduling and permissions.
Expandable with MD-D04B and MD-IO84B modules, allowing additional readers, inputs, and outputs to meet growing system requirements.
Features full online and offline functionality to ensure continued access control operation during network interruptions.
Equipped with a real-time clock and super-cap backup that maintains timekeeping for up to 24 hours during total power loss without battery replacement.
Compatible with a wide range of Wiegand reader formats, PIN keypad configurations, and locking hardware options.
Supports integration with locks, electric strikes, magnetic locks, deadbolts, and sliding door access systems.
Operates on 12VDC power with reliable performance in temperatures ranging from 0°C to 49°C and humidity levels up to 85% non-condensing.
Built for long-term deployment with a 2-year warranty and modular design that simplifies installation and future expansion.
| MODEL NAME | AC-425-BU Expandable 4 Reader IP Networked Access Control Panel |
| BRAND | Rosslare Security Products |
| SKU | AC-425-BU |
| PRODUCT TYPE | Expandable Networked Access Control Panel |
| SYSTEM TYPE | 4-Reader Intelligent Expandable Controller |
| NETWORK INTERFACE | 10/100 Ethernet Port |
| COMMUNICATION TYPE | TCP/IP (AC-425IP-B) / RS-485 (AC-425-B) |
| POWER SUPPLY | 12VDC |
| NUMBER OF PORTS | 4 Ports |
| SUPPORTED READERS | 4 Readers Standard |
| EXPANSION SLOT | 1 Expansion Slot |
| EXPANSION MODULE SUPPORT | MD-D04B and MD-DIO84B |
| MAXIMUM READERS | Expandable Additional 4 Readers |
| INPUT EXPANSION | Up to 8 Additional Inputs |
| OUTPUT EXPANSION | Up to 4 Additional Outputs |
| CREDENTIAL CAPACITY | 30,000 Active Credentials |
| PIN CODE CAPACITY | 30,000 PIN Codes |
| EVENT LOG CAPACITY | 20,000 Events |
| EVENT STORAGE TYPE | Non-Volatile FIFO Memory |
| ACCESS GROUPS | 128 Groups |
| ACCESS AREAS | 128 Areas |
| TIME ZONES | 128 Time Zones |
| HOLIDAY SETTINGS | 64 Holidays |
| SMART LINKS | 64 Automation Smart Links |
| SERVER PLATFORM | AxTraxNG™ or AxTraxPro™ |
| OPERATING SYSTEM SUPPORT | Microsoft Windows |
| ONLINE OPERATION | Supported |
| OFFLINE OPERATION | Supported |
| REAL TIME CLOCK | Integrated RTC with Super Capacitor Backup |
| RTC BACKUP TIME | Up to 24 Hours |
| BATTERY REQUIREMENT | No Battery Replacement Required |
| READER FORMAT SUPPORT | Wide Range of Wiegand Reader Formats |
| PIN KEYPAD SUPPORT | Supported |
| LOCK COMPATIBILITY | Electric Strikes, Maglocks, Deadbolts, Sliding Doors |
| AUTOMATION CAPABILITY | Integrated Automation Support |
| CONTROLLER TYPE | Networked Intelligent Controller |
| ENCLOSURE OPTION | ME-1015 Lockable Enclosure Compatible |
| MOUNTING CONFIGURATION | DIN Panel Option Available |
| MODULE INSTALLATION TIME | Under One Minute |
| OPERATING TEMPERATURE | 0°C to 49°C (32°F to 120°F) |
| OPERATING HUMIDITY | 0% to 85% Non-Condensing |
| WEIGHT | 4.50 lbs |
| WARRANTY | 2 Year Limited Warranty |
| ACCESS CONTROL TYPE | Commercial Network Access Control |
| APPLICATION | Commercial and Institutional Facilities |
| EVENT RECORDING | Offline Event Logging Supported |
| LOGIC OPTIONS | Programmable Logic Support |
| SUPPORTED LOCK TYPES | Deadbolts, Electric Strikes, Magnetic Locks |
| ETHERNET SUPPORT | 10/100 Base Ethernet |
| SCALABILITY | Modular Expandable Platform |
| CREDENTIAL MANAGEMENT | Centralized Credential Administration |
| INSTALLATION ENVIRONMENT | Indoor Commercial Installations |
| AUTOMATION FEATURES | Smart Link Automation Support |
| FAILURE PROTECTION | RTC Backup During Total Power Loss |
| INPUT SUPERVISION | EOL Supervised Inputs Supported |
| EXPANDABLE DESIGN | Modular Expansion Architecture |
| PRODUCT CATEGORY | Access Control |
| COMMERCIAL GRADE | Yes |
| INSTITUTIONAL READY | Yes |
Expandable 4 Reader IP Networked Access Control Panel - AC-425-BU from Rosslare Security Products is an intelligent and scalable access control solution designed to deliver secure, enterprise-level management for commercial and institutional facilities. Powered by AxTraxNG™ or AxTraxPro™ server software for Microsoft Windows, this controller provides advanced access control automation through a 10/100 Ethernet connection. Supporting up to 30,000 active credentials and 20,000 offline event records, the AC-425-BU offers dependable performance for businesses requiring flexible and expandable security infrastructure.
Built for Scalable Access Control Deployments
Designed to support growing security requirements, the AC-425-BU includes one expansion slot compatible with Rosslare MD expansion modules for additional readers, inputs, and outputs. The modular architecture enables rapid installation and future expansion without replacing existing infrastructure. Real-time clock protection with integrated super-cap technology maintains accurate system operation for up to 24 hours during total power loss without requiring battery replacement.
- Supports up to 30,000 active credentials and PIN codes
- Stores 20,000 offline FIFO event records
- Expandable architecture for readers, inputs, and outputs
- 10/100 Ethernet communication for network connectivity
- Real-time clock backup maintains operation during outages
- Supports 128 access groups, 128 access areas, and 128 time zones
Flexible Integration for Commercial Security Systems
Supporting a broad range of Wiegand reader formats, keypad configurations, locks, electric strikes, maglocks, deadbolts, and sliding door applications, the AC-425-BU integrates seamlessly into modern security environments. Installers benefit from support for expansion modules including additional reader control and supervised I/O functionality, making it ideal for offices, institutions, multi-tenant facilities, and commercial properties requiring centralized access management.
- Commercial office buildings
- Institutional and educational facilities
- Multi-door access control environments
- Enterprise security and automation systems
Security professionals seeking a networked expandable access control controller can rely on the Rosslare AC-425-BU for scalable performance, advanced credential management, and dependable operation across demanding access control deployments.
Technical Specifications
- Model: AC-425-BU
- Power Input: 12VDC
- Number of Reader Ports: 4
- Credential Capacity: 30,000 Active Credentials
- PIN Capacity: 30,000 PIN Codes
- Event Storage: 20,000 Offline Event Records
- Access Groups: 128
- Access Areas: 128
- Time Zones: 128
- Holiday Schedules: 64
- Smart Links: 64
- Operating Temperature: 0°C to 49°C (32°F to 120°F)
- Operating Humidity: 0% to 85% Non-Condensing
- Communication: 10/100 Ethernet
- Expansion Compatibility: MD-D04B and MD-DIO84B Modules
- Warranty: 2 Years
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