Rs232 9 Pin Connector Pinout

Although the rs232 25 pin configuration with a 25 way d type connector is very widely used in many applications the smaller 9 way d type.

Rs232 9 pin connector pinout.

Rs232 used to have 25 pin now it is shrunk to just 9 pin. The maximum cable length for rs 232 is 50ft but in practise depends on baud rate cable specific capacitance and ambient noise. De 9 connector rs 232 pinout. Rs232 pinout below is the pinout of a typical standard male 9 pin rs232 connector this connector type is also referred to as a db9 connector.

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. Pin 1 to pin 1 etc. 9 pin d sub female connector connector ru. These nine pins are arranged in the port as shown in rs232 connector pinout.

The dce and dte ports are exactly similar except for the direction of data flow. By using these configurations it means that an rs232 cable connecting a dte to a dce will be wired in a one to one configuration i e. This pinout can make a world of difference for successful rs232 serial communications. The dte pc has the male connector shown below and the dce peripheral has the female.

Some miniaturized electronics particularly graphing calculators and hand held amateur and two way radio equipment have serial ports using a phone connector. Rs 232 is the common standard used in serial ports. A list of common computer connectors including most d sub. It defines the electrical properties and the timing of signals as well as the interpretation of signals and the physical size and pinout configuration of a connector.

New rs232 has nine pins as mentioned earlier. Devices with de 9 connectors. Rs232 serial port monitoring hardware stands out for a number of reasons including its 9 pin rs232 pinout. Rs232 9pin connections functions and pin outs.

The table below contains some rules of thumb from experiments done by texas instruments years ago. Rs232c retains the features of rs232 but uses 25 pins rather than a 9 pin serial pinout. A computer s serial com port dte is usually a male port as shown below and any peripheral devices you connect to this port usually has a female connector dce. The rs232 protocol uses a 9 pin serial port that can have either male or female connectors.

Rs 232 maximum cable length. These nine pins are roughly divided in to three categories. The most recent version of the protocol is known as rs232c. An rs 232 serial port was once a standard feature of a personal computer used for connections to modems printers mice data storage uninterruptible power supplies and other peripheral.

Pinout of pc serial port rs 232 de9 and layout of 9 pin d sub male connector and 10 pin idc male connectorthis rs232c de 9 usually miscalled db 9 port is available in some pcs and many other devices. Thus it is important to understand how the 9 pin rs232 cable pinout can affect the flow of serial data between devices. Universal serial bus usb has.