Advantech RSB-4680, User Manual

Page: 26 / 66

RSB-4680 User Manual 18
2.2.2.14 RS232/485 (COM4)
RSB-4680 provides one D-Sub 9-pin connector serial communication interface port.
The port can support RS-232/485 mode communication.
COM Port
2.2.2.15 RS232/Debug Port (COM2)
RSB-4680 can communicate with a host server (Windows or Linux) by using debug
cable. (Advantech number: 1700021565-11). Refer to jumper CN18.
Debug port/Internal RS232 pin header
Pin Description
1 COM4_DCD_a
2 COM4_RX_a
3 COM4_TX_a
4 NC
5 GND
6 NC
7 COM4_RTS
8 COM4_CTS
9 NC
Pin Description
1 NC
2 COM2_TX
3 COM2_RX
4 GND