AAEON PFM-HDS - Manual (Page 35)

P C / 1 0 4 M o d u l e P F M - H D S
Chapter 2 Quick Installation Guide 2-23
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
2 N.C
3 RX+ IN
4 N.C
5 TX+ OUT ±5V
6 N.C
7 RX- IN
8 +5V/+12V PWR +5V/+12V
9 GND GND
RS-485
Pin Pin Name Signal Type Signal Level
1 B (Data-) I/O ±5V
2 N.C
3 N.C
4 N.C
5 A (Data+) I/O ±5V