Moxa Technologies CP-134N Series - Device Side Pin Assignments-Male DB9; Male DB25 (CBL-M78 M25 X8-100)

PCI Express Boards Pin Assignments
7-14
Device Side Pin Assignments—Male DB9
PIN RS-232 RS-422/RS-485-4W RS-485-2W
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 – –
Male DB25 (CBL-M78M25x8-100)
PIN RS-232 RS-422/RS-485-4W RS-485-2W
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)