Does not connect via UART2

RAK4600 Evaluation Board
I can’t connect via UART2 according to this scheme


it doesn’t respond to AT commands
via micro - USB (UART1)-everything is fine, AT commands work
after restart here are the messages:

Summary

at+set_config=device:restart
LoRa ® is a registered trademark or service mark of Semtech Corporation or its affiliates. LoRaWAN ® is a licensed mark.
RAK4600 Version:3.4.0.14
UART1 work mode: RUI_UART_NORMAL, 115200, N81
Current work_mode:LoRaWAN, join_mode:OTAA, MulticastEnable: false, Class: A
Initialization OK

for some reason UART2 doesn’t START

on a similar Board RAK4200 Evaluation Board everything works
after restart these are the messages:

Summary

at+set_config=device:restart
LoRa ® is a registered trademark or service mark of Semtech Corporation or its affiliates. LoRaWAN ® is a licensed mark.
RAK4200 version:3.2.0.14
UART1 work mode: RUI_UART_NORMAL, 115200, N81
UART2 work mode: RUI_UART_NORMAL, 115200, N81
Current work_mode:LoRaWAN, join_mode:OTAA, MulticastEnable: false, Class: A
Initialization OK

what is the problem with the RAK4600 Evaluation Board? What other information should I provide, or what actions should I take?

I’m sorry, I use Google translate :slight_smile:

Dear Denis,

RAK4600 module only UART1 is supported for communication with serial port!

Best regards!

1 Like

so this scheme doesn’t work?
https://forum.rakwireless.com/uploads/default/original/2X/e/e8bd7c6ea7d02d3799faebe8bd4a05ba79f0e525.jpeg

Or what am I doing wrong?

Dear Denis,

Thank you for finding the problem for us!

Very sorry!This is a mistake we made and will correct it in time.

Uart2 is not supported on RAK4600!

RAK4600 module connection

Best regards!