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Connector pinout: Serial (PC 9 Pin) rs232


Serial (PC 9 Pin) This port is very common and available at almost any PC, some Sun (at least Ultra 5/ 10, Blade 100/150) and many other computers.

9 PIN D-SUB MALE at the Computer



10 PIN internal connector on maiboard



pinnamedirectiondescriptioncolor
1CDINCarrier Detect
2RXDINReceive Data
3TXDOutTransmit Data
4DTROutData Terminal Ready
5GndSystem Ground
6DSRINData Set Ready
7RTSOUTRequest to Send
8CTSINClear to Send
9RIINRing Indicator