User`s manual

SHB103 LAG1156 Full-Size SBC User’s Manual
Jumpers and Connectors
8
2.3 Jumper Settings
Proper jumper settings configure the SHB103 to meet your
application purpose.
2.3.1 COM1 Mode Select Jumpers for RS-232/422/485 (JP2, JP3,
JP4)
These jumpers select the COM1 port’s communication
mode to operate RS-232 or RS-422/485.
Description Function Jumper Setting
RS-232
(Default)
JP2 JP3 JP4
RS-422
JP2 JP3 JP4
COM1
RS-485
JP2 JP3 JP4