Avalue ECM-DX2 - Manual (Page 16)

ECM-DX2 Quick Installation Guide
16 ECM-DX2 Quick Installation Guide
2.3.14 Serial port 2/3/4 connector (COM2/3/4)
Signal PIN PIN Signal
NDCD2/3/4# 1 2 NRX2/3/4#
NTX2/3/4# 3 4 NDTR2/3/4#
GND 5 6 NDSR2/3/4#
NRTS2/3/4# 7 8 NCTS2/3/4#
NRI2/3/4# 9 10 NC
2.3.15 Touch connector (TOUCH1)
PIN Signal 4-WIRE 5-WIRE 8-WIRE
1 X+ NC NC Right Sense
2 X- NC NC Left Sense
3 Y+ NC NC Bottom Sense
4 SENSE NC Sense Top Sense
5 X+ Right LR Right Excite
6 X- Left LL Left Excite
7 Y+ Bottom UR Bottom Excite
8 Y- Top UL Top Excite
9 GND GND GND GND
COM4
COM3 COM2