ADLINK cPCI-3538 - Manual (Page 12)

4
• Introduction
DB25 male connector pin assignment in cPCI-3534 module for RS-232
interface (port A, B and C).
DB25 Pin No. Signal Name
2 TXD(OUT)
3 RXD(IN)
4 RTS(OUT)
5 CTS(IN)
6 DSR(IN)
7 GND
8 DCD(IN)
20 DTR(OUT)
DB25 male connector pin assignment in cPCI-3534 module for
RS-422/485 interface (port D).
DB25 Pin No. Signal Name
2 422TXD+(OUT)
3 422RXD+(IN)
4 485TRXD+(I/O)
5 485TRXD-(I/O)
6 422RXD-(IN)
7 GND
20 422TXD-(OUT)