Jp9: com3 rs232 ri/+5v/+12v power setting, Jp7: com4 rs232 ri/+5v/+12v power setting, Jp11: clear cmos setting – IBASE MI889 User Manual
Page 14: Jp9 setting function, Pin 1-2 short/closed, 12v pin 3-4 short/closed, Ri pin 5-6 short/closed, Jp7 setting function, Jp11 setting, Normal
This manual is related to the following products: