The NXT-4X4 Input/Output Expansion Module provides functionality to any Doors.NET? access control system by adding auxiliary I/O that can be used for additional access control functionality, monitoring non-reader doors or other devices, and creating powerful action sequences by linking input triggers to outputs. The module can be connected anywhere along the RS-485 trunk/buss, most commonly at the controller or near a reader. One module can be added per trunk, allowing up to an extra 8 inputs and 8 outputs on an NXT-2D Controller and an extra 16 inputs and 16 outputs on an NXT-4D Controller.
Product Specification :
- 4 auxiliary Inputs and 4 auxiliary Outputs per module
- Up to 4 modules (16 Inputs and Outputs) can be added per NXT-4D Controller, up to 2 modules (8 Inputs and 8 Outputs per NXT-2D Controller
- Re-assignable, Interchangeable with controller's door I/O
- 4-State Supervision on Inputs
- Can be used for Door Forced and Door Held Open Alarms as well as Auxiliary REX Inputs, Latch Integrity, Bond Sensor, or other general purpose functions
- Flash Memory for easy upgrades
- Powered from Controller (standard) or optional standalone power supply
- Status Indicator LEDs for power, communication, and relay position
- Quick Disconnect Connectors
- Locking Metal Enclosure (optional without)
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