Kontron KISS 2U PCI 762 - Manual (Page 27)

9. Jumpers and Connectors PCI 762 – User’s Guide (Version 1.0)
9.3.12. RS232/422/485 Pin Assignment (COM1)
The serial interface for the board consists of COM1 support for RS-232 and COM1 for RS-232/RS-422/RS-485.
Pin
Signal Name
RS-232 RS-422 RS-485
1 Data Carrier Detect (DCD) TX- DATA-
2 Data Set Ready (DSR) No connector No connector
3 Receive Data (RXD) TX+ DATA+
4 Request to Send (RTS) No connector No connector
5 Transmit Data (TXD) RX+ No connector
6 Clear to Send (CTS) No connector No connector
7 Data Terminal Ready (DTR) RX- No connector
8 Ring Indicator (RI) No connector No connector
9 Ground (GND) GND GND
10 Disconnect(NI) NI NI
www.kontron.com 25