Circular Connectors & Cable Assemblies CUI Devices Circular Connectors and Cable Assemblies offer a variety of male or female jack or plug versions and feature contact position options of 3, 4, 5, 6, 8, and 12 pins. These connectors and cable assemblies are A-coded to support 1GB Ethernet or B-coded for Profibus and provide current ratings from 1.5A to 4A with a voltage range of 30VDC to 250VDC. These models have additional features while carrying IP67 ratings for dealing with harsh environments in industrial applications and factory automation.