Moxa Technologies CP-118EL - Manual (Page 61)

PCI Express Board User’s Manual Pin Assignments
5-6
Device Side Pin Assignments
Male DB9 (OPT8D+/OPT8-M9+)
1 5
6 9
Pin RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 ---
Male DB25 (OPT8B+/C+)
1
14
13
25
Pin RS-232
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR