Description : Describe function of each pin of 9 pin RS 232 connector.
Last Answer : An RS232 pinout 9 pin cable features nine pins: 1. Data Carrier Detect (DCD or CD) - After a data terminal is detected, a signal is sent to the data set that is going to be transmitted ... occurs, the data terminal is alerted, but the RI will not stop the flow of serial data between devices.