
87 Appx. B
B.6 COM port 3, 4 (CN6)
B.7 USB port 1, 2 (CN7)
Table B.6: COM port 3,4 (CN6)
Pin Signal Pin Signal
1 DCD3 2 DSR3
3SIN3 4RTS3
5SOUT3 6CTS3
7DTR3 8RI3
9GND 10GND
11 DCD4 12 DSR4
13 SIN4 14 RTS4
15 SOUT4 16 CTS4
17 DTR4 18 RI4
19 GND 20 GND
Table B.7: USB port 1, 2 (CN7)
Pin Signal Pin Signal
1+5V 2+5V
3 USB0- 4 USB1-
5 USB0+ 6 USB1+
7 USB GND 8 USB GND
9 GND 10 NC
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