Device Side Pin Assignments - Moxa Technologies PCI Express Board User Manual

PCI Express Boards

Device Side Pin Assignments

Male DB9 (CBL-M68M9x8-100/OPT8-M9+)
Pin RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 –
Male DB25 (OPT8B+/ CBL-M68M25x8-100)
Pin RS-232
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
Female DB25 (OPT8A+/S+)
Pin RS-232
2 RxD
3 TxD
4 CTS
5 RTS
6 DTR
7 GND
8 DCD
20 DSR
RS-422/RS-485-4W RS-485-2W
TxD-(A) –
TxD+(B) –
RxD+(B) Data+(B)
RxD-(A) Data-(A)
GND GND
– –
– –
– –
– –
RS-422/RS-485-4W RS-485-2W
RxD+(B) Data+(B)
TxD+(B) –
– –
– –
– –
GND GND
TxD-(A) –
RxD-(A) Data-(A)
RS-422/RS-485-4W RS-485-2W
TxD+(B) –
RxD+(B) Data+(B)
– –
– –
RxD-(A) Data-(A)
GND GND
TxD-(A) –
– –
6-4
Pin Assignments