Avalue ECM-LX800 - Manual (Page 31)

User’s Manual
ECM-LX800 User’s Manual 31
2.4.12 Serial port 2 connector in RS-485 Mode (JCOM2)
Signal PIN PIN Signal
DATA- 1 2 NC
DATA+ 3 4 NC
GND 5 6 NC
NC 7 8 NC
NC 9 10 NC
2.4.13 Serial port 3, 4 connector (JCOM3, JCOM4)
Signal PIN PIN Signal
DCD 1 2 RxD
TxD 3 4 DTR
GND 5 6 DSR
RTS 7 8 CTS
RI 9 10 NC