ECX-BYT - User Guide, Rev. 1.0
www.kontron.com
// 41
7.9.
Serial COM1 - COM6 Ports (COM1 - COM6)
Figure 23: Serial COM COM1 - COM6
Table 34: Pin Assignment COM1, COM2
Pin
RS232 Signal
RS422 Signal
Half Duplex
RS485 Signal
Full Duplex
RS485 Signal
Note
1
DCD
TX-
DATA-
TX-
2
DSR
N/A
N/A
N/A
3
RXD
TX+
DATA+
TX+
4
RTS
N/A
N/A
N/A
5
TXD
RX+
N/A
RX+
6
CTS
N/A
N/A
N/A
7
DTR
RX-
N/A
RX-
8
RI
N/A
N/A
N/A
9
GND
GND
GND
GND
10
+5V
+5V
+5V
+5V
Table 35: Pin Assignment COM3 - COM6
Pin
RS232 Signal
Note
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
+5V
The COM ports need to install an OS patch from ITE. The patch is only available for
Windows and is not available Linux.
