Acrosser AR-ES6003FL - Manual (Page 66)

Pin number RS-232 male
1 DCD
2 TXD
3 RXD
4 DSR
5 GND
6 DTR
7 CTS
8 RTS
9 RI
CN_RS232_1: For RS-232 Function
Pin SIGNAL
1 DSR
2 DCD
3 RTS
4 SIN
5 CTS
6 SOUT
7 RI
8 DTR
9 NC
10 GND
CN_RS422_485_1: For RS-422, RS-485
Pin SIGNAL
1 NC
2 485_422_TX+
3 NC
4 485_422_TX-
5 422_RX2-
6 NC
7 422_RX2+
8 NC
9 NC
10 GND
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