Moxa Technologies INTELLIO C218 - Manual (Page 78)

5-8 Intellio C218Turbo /PCI User's Manual
RS-422 Cable Wiring for Opt8J/F/Z
RS-422 connection boxes designed for
Intellio C218Turbo/PCI are:
Opt8J: Connection box with 8 female RS-422/485 DB25 ports. Set the port switch
to OFF position (RS-422) for the desired port(s).
Opt8F: Connection box with 8 female RS-422 DB25 ports and Max. 500V DC
isolation protection which prevents damage caused by high potential
voltage.
Opt8Z: Connection box with 8 female RS-422 DB25 ports but without isolation
protection.
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.