KNX (ISO/IEC 14543-3) uses a 2-wire twisted pair carrying both data and 29V DC power for building automation thermostats, lighting, and HVAC.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Bus+ | KNX data and power positive | PWR |
| 2 | Bus- | KNX data and power negative | GND |
KNX (ISO/IEC 14543-3) uses a 2-wire twisted pair carrying both data and 29V DC power for building automation thermostats, lighting, and HVAC.