4 X 4 I/O - Optional Local Door Control

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.

Features:

• 4 auxiliary Inputs and 4 auxiliary Outputs per module
•  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.
• Utilize the module's inputs and outputs interchangeably with the controller’s existing door I/O for flexible use cases.
• Ensure robust monitoring and alerting capabilities for the status of each input.
• Supports Door Forced and Door Held Open Alarms, Auxiliary REX Inputs, Latch Integrity checks, Bond Sensors, and more.
• Can be powered from the controller or used with an optional standalone power supply for varied installation needs.