Com Port Deep Switch & Connector - Advantech MIC-713 User Manual

3.1.5 COM Port Deep Switch & Connector
The below table shows COM port switch settings. The default setting is RS-232
mode.
Table 3.1: COM port deep switch & connector
Mode
RS-232
SW_COM1
RS-422
SW_COM2
Setting
RS-485
MIC-713 User Manual
Pin1 Pin2 Pin3
OFF OFF OFF
ON OFF ON- Receiver Termina-
tion Enable
OFF- Receiver Termina-
ON ON
tion Disable
22
Pin4
OFF
ON-Bypass RTS polar-
ity OFF- Invert RTS
polarity