Lenel LNL-4420 Advanced Dual Reader Controller Board

The Lenel LNL-4420 Advanced Dual Reader Controller Board is a powerful access control solution that provides a single-board interface for up to 64 doors, along with auxiliary inputs and outputs. This buying guide will provide you with all the necessary information to make an informed purchase decision.

• BACnet protocol support via up to 63 total inputs and virtual outputs
• Elevator control support for up to 128 floors
• Individual extended held open and strike times (ADA required)
• Dedicated input for cabinet tamper and power failure status
• Advanced Encryption Standard (AES) 128-bit algorithm for communications
• Support for DHCP and fixed IP addressing
• 16 MB of on-board, non-volatile flash memory for badge data
• Battery-backed, non-volatile storage of 50,000 events
• Supports up to 16 different card formats
• Biometric template storage support for Bioscrypt and ANSI/INCITS 378 templates
• Advanced anti-passback capabilities
• Up to 32,000 access level permissions

• Single-board solution for up to 64 doors, auxiliary inputs, and outputs
• Ethernet connection to the OnGuard server
• Scalable for most access control applications
• Can act as an interface to building automation systems via BACnet protocol
• Maintains local functionality during communication loss
• Supports up to 500,000 cardholders in non-volatile flash memory
• Supports selective download for larger cardholder databases
• Multiple downstream ports for additional I/O and reader interface modules
• Compatible with various Lenel and third-party devices
• Advanced encryption and security features
• Easy integration with OnGuard software
• 32-bit processor for efficient communication

• Commercial buildings with multiple access points
• Office complexes
• Government facilities
• Industrial facilities
• Educational institutions
• Healthcare facilities
• Residential complexes with controlled access
• Any location requiring advanced access control and monitoring

• The Lenel LNL-4420 is a reliable and versatile access control solution. It offers advanced features and seamless integration with other systems. Highly recommended.
• We have been using the LNL-4420 for our commercial building for a few years now, and it has been excellent. The system is easy to use and provides robust security.
• I have installed the LNL-4420 in several office complexes, and it has proven to be a reliable and flexible solution. The support provided by Lenel has also been top-notch.

• The price of the Lenel LNL-4420 may vary depending on the vendor and any additional components or accessories required. It is recommended to compare prices from different retailers to get the best deal.
• Consider the long-term value and capabilities offered by the LNL-4420 when evaluating the price. Its advanced features and scalability make it a worthwhile investment for businesses and organizations requiring robust access control solutions.

• Evaluate your specific access control needs and the number of doors and inputs/outputs required. The LNL-4420 is suitable for medium to large-scale installations.
• Consider the number of cardholders you anticipate to manage and ensure that the LNL-4420's storage capacity is sufficient.
• If you require integration with building automation systems, ensure compatibility with your existing systems and protocols.
• Check the compatibility of the LNL-4420 with any existing reader devices or additional modules you plan to use.
• Compare prices from different vendors to find the best deal, while also considering the reputation and reliability of the vendor.
• Take into account any future expansion or scalability requirements. The LNL-4420 is designed to be scalable and can accommodate additional devices and modules as needed.

The Lenel LNL-4420 is a powerful and reliable access control solution suitable for a wide range of applications. With its advanced features, scalability, and seamless integration with building automation systems, it offers great value for businesses and organizations seeking robust security and access management capabilities.