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5-8
Smartio
C168H/HS User’s Manual
RS-422 Pinouts for Opt8J/F/Z:
Opt8J/F/Z
2
RxD+(B)
3
TxD+(B)
14 RxD-(A)
16 TxD-(A)
7
GND
4
CTS+(B)
5
RTS+(B)
13 RTS-(A)
Opt8J only
19 CTS-(A)
The RS-422 transmission distance can reach as long as 4000ft. The connection box
needs an external power adapter to supply 5V DC power. Either 110V or 220V AC
power adapter is selectable.