Armbian enable UART2 for TX/RX

I'm trying to use the UART1 and UART2 of my device (a NanoPi NEO) to read serial data.

So far, UART1 i fully functionnal and I can read and transmit data through /dev/ttyS1.

I've enabled UART2 using the armbian-config hardware menu and it seems to have added the line in the armbianEnv.txt:

The config does not seem to be the same for the two UARTs:

Did I make something wrong or forget to run a command to enable UART2 through /dev/ttyS2 ?

I've also tried to add the following line to armbianEnv.txt but didn't help: param_uart2_rtscts=1