Moxa Technologies C168HS RS-422 Cable Wiring for Opt8J/F/Z, Opt8D DTE Device DB9 Male DB25 Male

Connection Option (Opt8x) and Cable Wiring

Opt8D

PC COM2 port, Serial Printer, Terminal, or any DTE Device

Opt8D				DTE Device
DB9 Male				DB25 Male
RxD	2		2	TxD
TxD	3	3		RxD
GND	5		7	GND
RTS	7	4		RTS
CTS	8	5		CTS
DTR	4	6		DTR
DSR	6	20		DSR
DCD	1	8		DCD

RS-422 Cable Wiring for Opt8J/F/Z

RS-422 connection boxes designed for Smartio C168 Series 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.

Smartio C168H/HS User’s Manual 5-7