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4-Port RS422/485 Serial PCIe Card
9
RS485 (2-wire) Cable Wiring:
Power requirements:
5V DC, 800mA (max)
Operating temp.:
0 to 55
°
C (32 to 131
°
F
)
Operating humidity:
5 to 95% RH
7. Environmental Specifications
DB9 (485, PCIe Card)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
(RS485 Device)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND