User Manual

PC/104 Module PFM-CVS Rev. B
Chapter 2 Quick Installation Guide 2-25
2.25 COM1 RS-232 Connector (COM1)
Pin Pin Name Signal Type Signal Level
1 DCD1 IN
2 DSR1 IN
3 RXD1 IN
4 RTS1 OUT ±9V
5 TXD1 OUT ±9V
6 CTS1 IN
7 DTR1 OUT ±9V
8 RI1 IN
9 GND GND
2.26 COM2 RS-232/422/485 Connector (COM2)
RS-232
Pin Pin Name Signal Type Signal Level
1 DCD2 IN
2 DSR2 IN