Pinagem - Serial DB 9 RS-232

Pinagem do padrão RS-232 no conector DB9

Pino Sinal In/Out Descrição
1 DCD In Data Carrier Detect
2 RxD In Receive Data
3 TxD Out Transmit Data
4 DTR Out Data Terminal Ready
5 GND - Ground
6 DSR In Data Set Ready
7 RTS Out Request To Send
8 CTS In Clear To Send
9 RI In Ring Indicator