Keri Systems NXT-4X4 Input/Output Expansion Module

The Keri Systems NXT-4X4 Input/Output Expansion Module enhances any Doors.NET™ access control system by providing additional auxiliary I/O capabilities. This module allows for increased flexibility in access control management, enabling the monitoring of non-reader doors and the creation of complex action sequences. With simple installation along the RS-485 trunk/buss, it supports up to 16 inputs and 16 outputs on compatible controllers, maximizing your system’s efficiency and functionality.

Keri Systems NXT-4X4 Expansion Module Features

• 4 auxiliary Inputs and 4 auxiliary Outputs per module: Increases the number of devices that can be monitored or controlled, enhancing system flexibility.
• Up to 4 modules (16 Inputs and Outputs) can be added per NXT-4D Controller: Expands your system’s capabilities significantly, accommodating larger setups.
• Re-assignable, Interchangeable with controller’s door I/O: Allows for easy configuration changes, adapting to evolving security needs.
• 4-State Supervision on Inputs: Provides enhanced monitoring for better security and reliability.
• Supports various alarm functions: Capable of managing Door Forced and Door Held Open Alarms, Auxiliary REX Inputs, and more, making it versatile for different applications.
• Flash Memory: Facilitates easy upgrades, ensuring your system remains current with the latest features.
• Powered from Controller or optional standalone power supply: Offers flexibility in power management based on your setup.
• Status Indicator LEDs: Provides real-time feedback on power, communication, and relay position for easier monitoring.
• Quick Disconnect Connectors: Simplifies installation and maintenance, reducing downtime.
• Locking Metal Enclosure (optional): Enhances durability and security for the module.
• Reduces wiring: Simplifies installation by allowing management functions to be positioned closer to the door.

Keri Systems NXT-4X4 Detailed Specifications