Keri Systems NXT-4X4 Input/Output Expansion Module

The Keri Systems NXT-4X4 Input/Output Expansion Module is an essential addition to any Doors.NET™ access control system, offering increased functionality through the addition of auxiliary input and output support. With the ability to monitor non-reader doors and link input triggers to outputs, this module enables the creation of complex action sequences while simplifying your wiring needs. Its flexibility in configuration makes it a perfect match for both NXT-2D and NXT-4D Controllers, enhancing your security setup.

Keri Systems NXT-4X4 Module Features

• 4 auxiliary Inputs and 4 auxiliary Outputs per module: Expand control capabilities and enhance monitoring for up to four additional inputs and outputs.
• Modular expansion: Connect up to 4 modules to an NXT-4D Controller, yielding a total of 16 Inputs and Outputs, or up to 2 modules on an NXT-2D Controller for 8 Inputs and Outputs.
• Re-assignable, Interchangeable functionality: Utilize the module's inputs and outputs interchangeably with the controller’s existing door I/O for flexible use cases.
• 4-State Supervision on Inputs: Ensure robust monitoring and alerting capabilities for the status of each input.
• Versatile functional use: Supports Door Forced and Door Held Open Alarms, Auxiliary REX Inputs, Latch Integrity checks, Bond Sensors, and more.
• Flash Memory: Simplifies software updates and enhancements, providing longevity and flexibility for system improvements.
• Power options: Can be powered from the controller or used with an optional standalone power supply for varied installation needs.
• Status Indicator LEDs: Provides visual feedback for power, communication, and relay status, aiding in troubleshooting.
• Quick Disconnect Connectors: Facilitates easy installation and maintenance with minimal downtime.
• Locking Metal Enclosure (optional): An added layer of security for critical components while maintaining the option for a more standard installation.
• Reduced wiring requirements: Streamlines setup by enabling door management functions to be located directly at the door.

Keri Systems NXT-4X4 Detailed Specifications