Zerotech MPC-0811 Series, Руководство пользователя

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5. Extension COM port definition
I/O TYPE COM Port number
TYPE 0/1 COM2, COM3, COM4, COM5, COM6, COM7, COM8,
COM9, COM10
TYPE 2 COM3, COM7, COM8, COM9
Note: COM1 occupied by touch controller (option)
COM3/COM7/COM8/COM9
Those DB-9 male connectors support RS-232 12V Level
COM2/COM4/COM5/COM10
Pin Signal
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND, ground
6 DSR, Data set ready
7 RTS, Request to send
8 RTS, Request to send
9 RTS, Request to send
Pin Signal
1 NC
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND, ground
6 DSR, Data set ready
7 RTS, Request to send
8 RTS, Request to send
9 NC