
Mini-ITX EMB-LN8T
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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