AAEON PFM-CVS Rev.A - Manual (Page 38)

P C / 1 0 4 M o d u l e P F M - C V S
Chapter 2 Quick Installation Guide 2-25
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
3 RXD2 IN
4 RTS2 OUT ±9V
5 TXD2 OUT ±9V
6 CTS2 IN
7 DTR2 OUT ±9V
8 RI2 IN
9 GND GND
RS-422
Pin Pin Name Signal Type Signal Level
1 TX- OUT ±5V