AAEON PFM-CVS Rev.B User Manual
Page 40
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P C / 1 0 4 M o d u l e
P F M - C V S R e v . B
Chapter 2 Quick Installation Guide
2-26
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
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
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