ADLINK cPCI-3538 - Manual (Page 23)

Introduction
• 17
5 CTS(IN)
6 DSR(IN)
7 GND
8 DCD(IN)
20 DTR(OUT)
DB9 male connector pin assignment in the cPCI-3538 module for RS-232
interfaces (port A - H).
Pin No. Signal Name
1 DCD(IN)
2 RXD(IN)
3 TXD(OUT)
4 DTR
(OUT)
5 GND
6 DSR(IN)
7 RTS(OUT)
8 CTS(IN)