DB9-Female to TB5 RS422/485 Adapter
2
DB9-Female Pin Assignment:
RS422 Cable Wiring:
RS485 (2-wire) Cable Wiring:
3. Female DB9 Pin Assignments
TB-5
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
5 1
9 6
9 Pins Signal
1 TXD- (DATA-)
2 TXD+ (DATA+)
3 RXD+
4 RXD-
5 GND
6 NC
7 NC
8 NC
9 NC
TB-5
1 DATA+
2 DATA-
3 NC
4 NC
5 GND
(RS485 Device)
1 DATA+
2 DATA-
3 NC
4 NC
5 GND
4. RS422 and RS485 Wiring over TB-5
