IBASE SI-38N - Manual (Page 14)

14
J15: Clear CMOS Setting Page 14
Jumper Locations on IB939
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