Avalue ECM-A50M - Manual (Page 19)

ECM-A50M Quick Installation Guide
ECM-A50M Quick Installation Guide 19
2.3.15 Serial port 2 connector (JCOM2)
Signal PIN PIN Signal
DCD 1 2 RXD
TXD 3 4 DTR
GND 6 DSR
RTS 7 8 CTS
RI2 9 10 NC
2.3.16 Touch connector (JTOUCH)
Signal PIN 4-Wire 5-Wire 8-Wire
TGND 9 GND GND GND
CY- 8 Top UL Top Excite
CY+ 7 Bottom UR Bottom Excite
CX- 6 Left LL Left Excite
CX+ 5 Right LR Right Excite
CSENSE 4 NA Sense Top Sense
CY+ 3 NA NA Bottom Sense
CX- 2 NA NA Left Sense
CX+ 1 NA NA Right Sense