9 Pin Serial Port

The background of the 9 pin serial port.

9 pin serial port.

Anmbest 2pcs db9 solderless rs232 d sub serial to 9 pin port terminal male adapter connector breakout board with case long bolts tail pipe 2pcs female 4 4 out of 5 stars 63 12 49 12. First introduced in the 60s rs 232 is a protocol that defines how the data is transferred bit by bit from a data terminal equipment dte such as a computer terminal to data communication equipment dce such as a modem. The 9 pin de 9 connector has been used by most ibm compatible pcs since the serial parallel adapter option for the pc at where it allowed a serial and parallel port to fit on the same card. Some miniaturized electronics particularly graphing calculators and hand held amateur and two way radio equipment have serial ports using a phone connector.

Trendnet usb to serial 9 pin converter cable tu s9 connect a rs 232 serial device to a usb 2 0 port supports windows mac supports usb 1 1 usb 2 0 usb 3 0 25 inch cable length plug play 4 5 out of 5 stars 2 311. This pinout can make a world of difference for successful rs232 serial communications. Thus it is important to understand how the 9 pin rs232 cable pinout can affect the flow of serial data between devices. Rs232 serial port monitoring hardware stands out for a number of reasons including its 9 pin rs232 pinout.