4-Port 422/485 Serial PCIe Card
8
DB9-Male Pin Assignment:
RS422 Cable Wiring:
6. RS422/485 Pin Assignments and Cable Wiring
DB9 (RS422, PCIe Card)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
(RS422 Device)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
NC = No connection
1 5
6 9
9 Pins Signal
1 TXD- (DATA-)
2 TXD+ (DATA+)
3 RXD+
4 RXD-
5 GND
6 NC
7 NC
8 NC
9 NC
Check Windows Version
Showed in the folder here:
XP32 in this example
