NXT-4X4NE Keri Systems 4 Input/4 Output Auxiliary I/O and Local Door Control Module - No Enclosure

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.

Specifications

• Size (Enclosure) - 8” H x 7” W x 2.75” D (20.32 cm x 17.78 cm x 6.98 cm)
• Size (PC Board) - 5.25” H x 3.10” W x 1” D (13.33 cm x 7.87 cm x 2.54 cm)
• Weight (In Enclosure) - 2.5 Lbs (1.14 Kgs)
• Input Voltage - + 12 VDC nom. (10 - 14 VDC)
• Current Draw - 250 mA typical
• Inputs - 4 general purpose Inputs or configurable in software to: Door Contact Switch, Request to Exit, Bond Sensor
• Outputs - 4 general purpose Outputs/Relays, 1.0 amp (24 VDC max.) dry circuit
• Temperature / Humidity: - -40° F to 140° F (-40° C to 60° C) 0-90% Non Condensing
• Communication - To Controller: RS-485
• Lithium Battery - 5 years Memory Retention

NXT-4X4NE Specifications PDF

NXT-4X4NE Manual