1.1 Pin Definition of Serial Communication DOP-A Series COM1 PIN 1 Pin1 2 3 4 5 6 7 8 9 COM2 PIN 1 Pin1 2 3 4 5 6 7 8 9 Mode 1 RS-232 N.C RXD TXD N.C GND N.C RTS CTS N.C…
