5 Connector and feature description
Kontron User's Guide nanoETXexpress-HMI
Baseboard (ePDAnano)
23
5.8
Serial Ports
The ePDAnano baseboard is equipped with an external LPC I/O Controller Winbond W83627HFJ for
providing standard legacy connections like COM or LPT.
Note: For using the LPC-I/O functions like COM, LPT and hardware monitoring features, a COM Express™ module
with legacy BIOS is necessary.
5.8.1
COM1 RS232 (X12)
Table 5-3: Pinning of X12
Connector: CON-MOLEX-53261-1071; Molex 53261-1071
Header
PIN
Signal
Function
Note
1
NC
not connected
2
GND
3
COM1_RI#
Ring indicator
4
COM1_DTR#
Data terminal ready
5
COM1_CTS#
Clear to send
6
COM1_TXD
Transmit data
7
COM1_RTS#
Request to send
8
COM1_RXD
Receive data
9
COM1_DSR#
Data set ready
10
COM1_DCD#
Data carrier detect
Cable: KAB-DSUB-3; 96061-0000-00-0
5.8.2
COM2 RS485 (X13)
Table 5-45: Pinning of X13
Connector: CON-MOLEX-53261-1071; Molex 53261-1071
Header
PIN
Signal
Function
Note
1
GND
2
NC
not connected
1
3
A
Data B
4
B
Data B
Notes: 1: Normally not connected, mount R15 0Ohm to power external logic with 5V, max 100mA recommended
Cable: KAB-CAN-1; 96065-0000-00-0 (suitable for RS485 as well!)
