IBASE SI-38 - Manual (Page 17)

17
Setting the Jumpers
Jumpers are used on SI-38 to select various settings and features according to your
needs and applications. Contact your supplier if you have doubts about the best
configuration for your needs. The following lists the connectors on SI-38 and their
respective functions.
Jumper Locations on IB938
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