Moxa Technologies Moxa Smartio C168H Instrukcja Użytkownika Pobierz pdf (Strona 68)

5-10 Smartio C168H/PCI User’s Manual

RS-422 Cable Wiring for Opt8J/F/Z

RS-422 connection boxes designed for Smartio C168H/PCI boards are:

Opt8J: Connection box with 8 female RS-422/485 DB25 ports. Set the port switch to

the OFF position (RS-422) for the desired port(s).

Opt8F: Connection box with 8 female RS-422 DB25 ports and a maximum of 500V DC

isolation protection, helping to prevent 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:

pt8J/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 be as much as 4000 ft, and consequently the

connection box needs an external power adapter to supply 5V DC power. Either a

110V or 220V AC power adapter can be used with this product, depending on your

company’s power supply.

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Moxa Technologies Moxa Smartio C168H Instrukcja Użytkownika Strona 68