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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