@luz!!!
In your schematics I see v-net on the Omega.
What is this?
And how work ETHLED_AMPEN (PWM/G18)?
I connect to G18 (PMW0) LEDCHAIN_DATA_3V.
Why you connect LEDCHAIN_DATA_3V to G46/UA_RX1?
G45 and G46 (UART1) doesn't have PWM