Moxa Technologies Moxa Smartio C168H - Manual (Page 54)

5-2 Smartio C168H/PCI User’s Manual
The followings are pin assignments for various connection options:
Opt8A/S
(DCE, DB25 Female)
2 RxD
3 TxD
4 CTS
5 RTS
6 DTR
7 GND
8 DCD
20 DSR
Opt8B/C
(DTE, DB25 Male)
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
Opt8D
(DTE, DB9 Male)
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS