25bsignal, 4bpin, 5bsignal – AAEON EMB-LN8T User Manual
Page 28
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M i n i - I T X
E M B - L N 8 T
Chapter 2 Quick Installation Guide
2 - 16
2.23 RS-232 Serial Port Connector (COM2)
Pin
Signal Pin
Signal
1 DCD#2(485D-/422TXD-)
2 RXD2(422RXD+)
3 TXD2(485D+/422TXD+)
4 DTR#2(422RXD-)
5 GND
6 DSR#2
7 RTS#2
8 CTS#2
9 RI#2
2.24 RS-232 Serial Port Connector (COM3)
Pin
Signal Pin
Signal
1 DCD#3
2 RXD3
3 TXD3
4 DTR#3
5 GND
6 DSR#3
7 RTS#3
8 CTS#3
9 RI#3
2.25 RS-232 Serial Port Connector (COM4)
Pin
Signal Pin
Signal
1 DCD#4
2 RXD4
3 TXD4
4 DTR#4
5 GND
6 DSR#4
7 RTS#4
8 CTS#4
9 RI#4
2.26 RS-232 Serial Port Connector (COM5)
Pin
Signal Pin
Signal
1 DCD#5
2 RXD5
3 TXD5
4 DTR#5
5 GND
6 DSR#5
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