Moxa Technologies Industio C114HI, Manual

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Pinouts and Cable Wiring
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Appendix A
43
Type 3: To connect C114HI to a DTE with 3-pin wiring.
If [Hardware flow control] feature is set to "ON", user must loop back (or short)
the RTS with CTS and DSR with DTR, DCD on MOXA site.
C114HI DTE C114HI DTE
DB-9 Male DB-25 Male DB-9 Male DB-9 Male
3 TxD 3 RxD 3 TxD 2 RxD
2 RxD 2 TxD 2 RxD 3 TxD
5 GND 7 GND 5 GND 5 GND
7 RTS 7 RTS
8 CTS 8 CTS
6 DSR 6 DSR
4 DTR 4 DTR
1 DCD 1 DCD
If [Hardware flow control] feature is set to "OFF", users could just leave RTS,
CTS, DSR, DTR, DCD open.
C114HI DTE C114HI DTE
DB-9 Male DB-25 Male DB-9 Male DB-9 Male
3 TxD 3 RxD 3 TxD 2 RxD
2 RxD 2 TxD 2 RxD 3 TxD
5 GND 7 GND 5 GND 5 GND
7 RTS 7 RTS
8 CTS 8 CTS
6 DSR 6 DSR
4 DTR 4 DTR
1 DCD 1 DCD