Dell Technology Guide
Page 315
Pin Signal 1 CD 2 RD 3 TD 4 DTR 5 SG 6 DSR 7 RTS 8 CTS 9 RI Ports 315 RS232 Serial Port A serial port is usually identified with RS-232 standard compliant hardware. Some of the devices that commonly use serial port are dial-up modems, printers, and serial mice. Serial port is a serial communication physical interface through which information transfers in or out one bit at a time.
Pin Signal 1 CD 2 RD 3 TD 4 DTR 5 SG 6 DSR 7 RTS 8 CTS 9 RI Ports 315 RS232 Serial Port A serial port is usually identified with RS-232 standard compliant hardware. Some of the devices that commonly use serial port are dial-up modems, printers, and serial mice. Serial port is a serial communication physical interface through which information transfers in or out one bit at a time.