i face certain problem to connect  my CPU 315 2dp  see the attach file to see the problem

i have never face any problem in my short carrer 

help me to resolve this issue 

this time i use to communicate

RS 232 to MPI interface Siemeins simatic s7-300 

i use this cable last time in 2012 

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Split from PG/PC Interface.

hii,

try to check on windows device manager, are pc adapter already in the list ( error free )

br

rusli