MITX-6135 COM

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COM1-2:
Pin COM1-2
1 DCD
2 SIN
3 SOUT
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
COM2 跳线功能设置(J1,J2,J3):
COM2 RS232 PORT COM2 RS422 PORT COM2 RS485 PORT
J1 1-3 2-4 J1 3-5 4-6 J1 3-5 4-6
J2 1-3 2-4 J2 3-5 4-6 J2 3-5 4-6
J3 1-2 J3 3-4 J3 5-6