Moxa Technologies UPort 1200 Series - Male DB9

- 7 -
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
–
–