Chapter 2 Installation
19
COM4 RS-232/422/485 Selection (JP10)
RI function or voltage selection configurations for COM3/COM2
can be set manually through jumper JP10. Jumper settings are
illustrated as follows:
*
RI Function +5Vout +12Vout
1 3 5 1 3 5 1 3 5
2 4 6
2 4 6
2 4 6
*
RS-232
RS-422
RS-485
7 9 11 7 9 11 7 9 11
8 10 12 8 10 12 8 10 12
* Default
Speaker/Buzzer (JP12)
This onboard jumper provides users easy manual settings for on
board buzzer and external speaker. By just following the illustration
of the settings below:
*
on board buzzer external speaker
1 2 3 4 1 2 3 4
* Default