The 1K Series consists of the following KNX interfaces:
KNX universal interface
• 2IN/2OUT version
• 4IN/4OUT version
• Multi-function
• Power supply Via KNX bus
• 8 blocks of logic functions
KNX USB interface
• Connector for KNX TP Bus (red/black)
• USB: Conector type B
• Compatible with ETS® Software Version 3 (or higher)