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SI-32-N User Manual
2.3 Setting the Jumpers
JP4, JP5: COM4 RS232 RI/+5V/+12V Power Setting
JP4/JP5
Setting
Function
Pin 1-2
Short/Closed
+
12V
Pin 3-4
Short/Closed
RI
Pin 5-6
Short/Closed
+5V
J15: Clear CMOS Setting
JP15
Function
Normal
Clear CMOS