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Hello, 
 
I tried to use Armbian & Debian with orange pi +2E, OS work fine !   
 
When i connect my UART-to-RS485 module to any of UART GPIOs (UART1,UART2 or UART3) it is work fine until i reboot my Opi +2E board, it lockups at boot (no LED is active and display output with no signal)  
Until i disconnect RX pin of my module. 
 
I'm using the following module: 
 
 
is there any suggested solution ??   
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