Advantech EP-55XX-AR10 User Manual page 45

JP10
COM1 RI Function Selection
PIN No.
1-2 3-4
Short
Short
JP11
COM2 RI Function Selection
PIN No.
1-2 3-4
Short
Short
JP12
COM5 RI Function Selection
PIN No.
1-2 3-4
Short
Short
Function
5-6
+5V output
RI function 
Short +12V output
Function
5-6
+5V output
RI function 
Short +12V output
Function
5-6
+5V output
RI function 
Short +12V output
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