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

The Keri Systems NXT-4X4-NE Input/Output Expansion Module is an essential component for any Doors.NET access control system, enhancing functionality by adding auxiliary I/O capabilities. This module allows for increased access control flexibility, monitoring of non-reader doors, and improved action sequences via input-output linkage. Designed for easy installation and versatility, the NXT-4X4-NE module seamlessly connects to the RS-485 trunk/buss, making it a perfect solution for efficient door management and monitoring.

Keri Systems NXT-4X4-NE Module Features

• 4 Auxiliary Inputs and Outputs: Provides additional control points, enhancing system functionality and flexibility.
• Expandable Configuration: Accommodates up to 4 modules with an NXT-4D Controller (16 Inputs/Outputs) or 2 modules with an NXT-2D Controller (8 Inputs/Outputs) for scalable systems.
• Re-assignable and Interchangeable Relays: Allows for customization and replacement of the main controller’s relays, ensuring adaptability.
• 4-State Supervision on Inputs: Ensures reliable monitoring and alerts regarding door status, increasing security measures.
• Diverse Functionality: Supports multiple functions such as Door Forced and Door Held Open Alarms, and Auxiliary REX Inputs, broadening application potential.
• Flash Memory: Enables straightforward firmware upgrades, keeping the system current and improving performance.
• Various Power Options: Can be powered by the main controller or an optional standalone power supply for greater installation flexibility.
• Status Indicator LEDs: Lights for power, communication, and relay status provide quick visual feedback for easy troubleshooting.
• Quick Disconnect Connectors: Facilitates rapid and easy integration with existing structures, saving installation time.
• Minimized Wiring Requirements: Reduces complexity in wiring by allowing door management functions to be located close to the door.

Keri Systems NXT-4X4-NE Detailed Specifications