AAxeon 2-Port RS232/422/485 Combo Serial to USB2.0Adapter Manuale di installazione - Pagina 6
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6. RS422/485 Modes Male DB9 Pin Assignments and
DB9-Male Pin Assignment:
1
6
RS422 Cable Wiring:
DB9 (RS422 to USB Cable)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
RS485 (2-wire) Cable Wiring:
DB9 (485 to USB Cable)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
5. Environmental Specifications
Power requirements:
Operating temp.:
Operating humidity:
9 Pins
5
9
NC = No connection
5V DC, 385mA (max)
0 to 55
5 to 95% RH
6
Signal
1
TXD- (DATA-)
2
TXD+ (DATA+)
3
RXD+
4
RXD-
5
GND
6
NC
7
NC
8
NC
9
NC
(RS422 Device)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
(RS485 Device)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
°
C (32 to 131
°F
)