Keri Systems NXT-4X4-UL 4 Input / 4 Output Auxiliary I/O and Local Door Control Module with Enclosure
Product Highlights
The NXT-4X4-UL 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. The module’s relays are re-assignable and interchangeable with the main controller’s relays. The module can be mounted next to the door providing local door control and local door alarm functions while minimizing the cable bundle from door to controller. The unit also has a port to plug in an NXT-RM3 Reader Interface Module to allow Keri MS reader signals to be sent down the RS-485 line.
Features
- 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
- Reduces wiring by providing capability to move door management functions to the door location
| Condition | New |
|---|---|
| Brand | Keri Systems |
The NXT-4X4-UL 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. The module’s relays are re-assignable and interchangeable with the main controller’s relays. The module can be mounted next to the door providing local door control and local door alarm functions while minimizing the cable bundle from door to controller. The unit also has a port to plug in an NXT-RM3 Reader Interface Module to allow Keri MS reader signals to be sent down the RS-485 line.
Features
- 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
- Reduces wiring by providing capability to move door management functions to the door location
| Condition | New |
|---|---|
| Brand | Keri Systems |
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