Keri Systems NXT-4X4-NE Input/Output Expansion Module, No Enclosure

The Keri Systems NXT-4X4-NE Input/Output Expansion Module enhances the functionality of any Doors.NET access control system by providing additional I/O options for advanced access control, monitoring, and action sequences. With the ability to connect modules anywhere along the RS-485 trunk, it streamlines door management and minimizes wiring, making it a valuable addition to your security infrastructure.

Keri Systems NXT-4X4-NE Module Features

• 4 Auxiliary Inputs and Outputs: Each module provides 4 extra inputs and 4 outputs, enhancing system flexibility and control.
• Expandable Configuration: Supports up to 4 modules on an NXT-4D Controller (totaling 16 inputs and outputs) or 2 modules on an NXT-2D Controller (totaling 8 inputs and outputs), allowing for scalable solutions.
• Re-assignable Relays: The module’s relays can be reassigned and are interchangeable with the main controller’s relays, ensuring versatility in system design.
• 4-State Supervision: Monitors inputs with 4-state supervision, providing comprehensive feedback for security and operational integrity.
• Alarm Functions: Capable of handling Door Forced and Door Held Open alarms, as well as auxiliary inputs for various monitoring tasks, enhancing overall security.
• Flash Memory: Features flash memory for easy firmware upgrades, ensuring the module remains up-to-date with the latest features.
• Power Options: Can be powered directly from the controller or via an optional standalone power supply, offering installation flexibility.
• Status Indicator LEDs: Equipped with LEDs for power, communication, and relay status, simplifying troubleshooting and system monitoring.
• Quick Disconnect Connectors: Facilitates easier installation and maintenance with quick disconnect connectors.
• Reduced Wiring: Minimizes wiring by allowing door management functions to be relocated to the door, enhancing efficiency in installation.

Keri Systems NXT-4X4-NE Detailed Specifications