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sim900 serial port problem

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fuba

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hello guys
my sim900 serial port burned because i dont use level shifter in RX pin.
so now i cant communicate with serial port only get URC from module!:-( and can not type anything
my question is this: can i use DBG port in place of main port to communicate with module and HOW??
please answer!
thanks
 

Probably not possible. The data normally has to go through the communication router to be routed to the various slots. The debug port is separate.
 
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    fuba

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thanks for reply
but when i power up the module i get some URC in main UART and DBG so i think that it may possible to do that but how,i dont know!!
any idea please
 

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