User Manual

PC/104 Module PFM-CVS Rev. B
Chapter 2 Quick Installation Guide 2-27
4 N.C
5 A (Data+) I/O ±5V
6 N.C
7 N.C
8 +5V/+12V PWR +5V/+12V
9 GND GND
2.27 COM3 RS-232 Connector (COM3)
Pin Pin Name Signal Type Signal Leve l
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