MOXA Serial Interface
Connection Options
MOXA UART (16C550C compatible)
None, Even, Odd, Space, Mark
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
TxD+(B), TxD-(A), RxD+(B), RxD-(A), RTS+(B), RTS-(A), CTS+(B),
CTS-(A), GND
TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND