DE9S DB25P
Pin # Control Signal Pin #
1 DCD Data Carrier Detect 8
2 RX Recieving Data 3
3 TX Transmit Data 2
4 DTR Data Terminal Ready 20
5 GND Signal Ground 7
6 DSR Data Set Ready 6
7 RTS Request to Send 4
8 CTS Clear to Send 5
9 RI Ring Indicator 22
This pinout will work on any IBM compatable computer that has an 9 pin
connector.
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