Kontron COMe Ref. Carrier T2 - Manual (Page 54)

COM Express™ miniBaseboard Type 2 / Connectors and Features
49
5.18.1 RS232
With Winbond 83627 LPC-I/O two serial ports are supported. See pin-out of COM1 (J66) and COM2 (J67) in table
below. Use the optional available
KAB-DSUB9-3 cable adapter to access the serial ports. Check to module BIOS to
configure the serial port resources.
J66/J67 Pin Signal J66/J67 Pin Signal
1 DCD 6 CTS
2 DSR 7 DTR
3 RXD 8 RI
4 RTS 9 GND
5 TXD 10 n.c. on ETXexpress® miniBaseboard
+5V on COM Express™ miniBaseboard Type2