Com Port Rs232/422/485 Settings; Rs232/422/485 Setting (Sw1) - Advantech UNO-137 User Manual

A.8

COM Port RS232/422/485 Settings

The default setting for the COM port is RS-232. This can be changed to RS-422 or
RS-485 modes can be configured by adjusting switch on the motherboard.
A.8.1

RS232/422/485 Setting (SW1)

SW1 Default
Description
Default
RS232
Mode
RS485
COM1
Mode
RS422
Mode
RS232
Mode
RS485
COM2
Mode
RS422
Mode
UNO-137 User Manual
This switch is used to select RS232/422/485 mode settings
RS232 mode
Bit 1 ON
Bit 2,3,4,5,6,7,8,9,10 OFF
Bit 2,4,5 ON
Bit 1,3,6,7,8,9,10 OFF
Bit 1,2,4,5 ON
Bit 3,6,7,8,9,10 OFF
Bit 6 ON
Bit 1,2,3,4,5,7,8,9,10 OFF
Bit 7,9,10 ON
Bit 1,2,3,4,5,7,8 OFF
Bit 6,7,9,10 ON
Bit 1,2,3,4,5,8 OFF
42