Owner manual

PC/104 Module PFM-CVS
Chapter 2 Quick Installation Guide 2-27
Pin Pin Name Signal Type Signal Level
1 DCD3 IN
2 DSR3 IN
3 RXD3 IN
4 RTS3 OUT ±9V
5 TXD3 OUT ±9V
6 CTS3 IN
7 DTR3 OUT ±9V
8 RI3 IN
9 GND GND
2.28 COM4 RS-232 Connector (COM4)
Pin Pin Name Signal Type Signal Level
1 DCD4 IN
2 DSR4 IN
3 RXD4 IN
4 RTS4 OUT ±9V
5 TXD4 OUT ±9V
6 CTS4 IN
7 DTR4 OUT ±9V