Female Db25 (Opt8A+/S+) - Moxa Technologies PCI Express Board User Manual

PCI Express Boards

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+(B) –
RxD+(B) Data+(B)
– –
– –
RxD-(A) Data-(A)
GND GND
TxD-(A) –
– –
6-18
Pin Assignments