mITX-BW – User Guide, Rev. 1.6
www.kontron.com
// 41
Figure 27: Available Cable Kit:
PN 821042 Cable Front Panel Open-End, 300 mm
7.12.
Serial COM1 –
COM4
Ports (J20, J18, J22, J27)
Figure 28: Serial COM J20, J18, J22, J27
Table 35: Pin Assignment J20, J18, J22, J27
Pin
Signal
Type
Ioh / Iol
Pull U / D
Note
1
DCD
I
2
DSR
I
3
RxD
I
4
RTS
O
5
TxD
O
6
CTS
I
7
DTR
O
8
RI
I
9
GND
PWR
10
5V
PWR
The COM1, COM2 and COM3, COM4 5V supply is fused with common 1.5A resettable fuse.
The COM1 and COM2 serial ports need to install an OS patch from ITE. The patch is only
available for Windows and is not available Linux.
1
3
5
7
9
2
4
6
8
10
