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5. Pin Assignments
Male DB9 (Opt8-D/Opt8-M9)
15
69
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
1 DCD TxD-(A) ---
2 RxD TxD+(B) ---
3 TxD RxD+(B) Data+(B)
4 DTR RxD-(A) Data-(A)
5 GND GND GND
6 DSR --- ---
7 RTS --- ---
8 CTS --- ---
9 --- --- ---
Male DB25 (Opt8B/C)
1
13
14
25
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
2 TxD RxD+(B) Data+(B)
3 RxD TxD+(B) ---
4 RTS --- ---
5 CTS --- ---
6 DSR --- ---
7 GND GND GND
8 DCD TxD-(A) ---
20 DTR RxD-(A) Data-(A)
Female DB25 (Opt8A/S)
13 1
25 14
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
2 RxD TxD+(B) ---
3 TxD RxD+(B) Data+(B)
4 CTS --- ---
5 RTS --- ---
6 DTR RxD-(A) Data-(A)
7 GND GND GND
8 DCD TxD-(A) ---
20 DSR --- ---
RJ45 (Opt8-RJ45)
18
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
1 DSR --- ---
2 RTS --- ---
3 GND GND GND
4 TxD RxD+(B) Data+(B)
5 RxD TxD+(B) ---
6 DCD TxD-(A) ---
7 CTS --- ---
8 DTR RxD-(A) Data-(A)
Copyright 2005
Moxa Technologies Co., Ltd.
All rights reserved.
Reproduction without permission is prohibited.
Tel: +886-2-8919-1230 www.moxa.com
Fax: +886-2-8919-1231 support@moxa.com.tw