9 Pin Serial Port Connector Pinout Details

9 Pin Serial Port Connector
9 pin "D" connector
Connector
Connector may be reversed depending on which side is viewed. All pins are numbered.
Pin No. Function Pin No. Function
1 DCD (Data Carrier Detect) 6 DSR (Data Set Ready)
2 RX (Receive Data) 7 RTS (Request To Send)
3 TX (Transmit Data) 8 CTS (Clear To Send)
4 DTR (Data Terminal Ready) 9 RI (Ring Indicator)
5 GND (Signal Ground)


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This page last updated : 5th October 2000