Symetric_IDC_Cables a proposal for a type of connection that allows server-client + client-client connections.

the connectors are designed in a way that the pin functions are arranged symetrically. the benefit of this approach is that one does not need to worry about interfaces if a connection requires a crossed ( e.g SPI, I2C ) cable or a direct connection ( e.g UART/serial ).

Why so Complicated

actual implementation of the symetric IDC Cables in KLST_CORE design:

Symetric IDC Cables UART