What is RS232 DB9?

RS232 is the definition of the serial interface, e.g. the signal voltage and duration. DB9 is the 9 pin connector. RS232 connections are frequently implemented using these connectors, but there is a 25 pin connector also.

What is a 9 pin serial port used for?

DB9 connectors were commonly used for serial peripheral devices like keyboards, mice, joysticks, etc. Also they are used on DB9 cable assemblies for data connectivity.

What are the pins in serial port?

In fact, only three pins are required for serial port communications: one for receiving data, one for transmitting data, and one for the signal ground. The pin assignment scheme for a 9-pin male connector on a DTE is given below.

What is a 9 pin serial cable?

Many early PC designs used DB9 serial ports to communicate with other computers or hardware devices. This 9-pin layout become a de facto hardware standard that enabled device manufacturers to create products that worked on a wide range of computer platforms.

What is a DB9 connection?

The DB9 connector (originally named DE-9) is an analog socket, with 9 pins, from the D-Subminiatures (D-Sub) connector family. The DB9 connector is mainly used in serial ports, allowing asynchronous data transmission according to the RS-232 standard (RS-232C).

What is the function of a serial port?

In computing, a serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. This is in contrast to a parallel port, which communicates multiple bits simultaneously in parallel.

Is DB9 a VGA?

VGA Monitor (DB15 & DB9) The VGA connector can use a classic DB9 connector or (more commonly today) a DB15 style connector. The female end of this connector is at the Host/PC. VGA is an analog standard.

Is DB9 and VGA the same?

VGA Monitor (DB15 & DB9) The VGA connector can use a classic DB9 connector or (more commonly today) a DB15 style connector. The VGA connector (15 pin) is still widely used and while it was originally used to carry a 640 x 480 pixel format it is used to carry a variety of geometries including HDTV formats.

Is DB9 same as serial port?

All serial connections communicate using the same method, but there are varying configurations. The term DB-9 really pertains to the connectors on the end of the cables and not the cables themselves. DB9, for example, is a 9 pin connector for a serial cable.

How many pins are there in a 9 pin serial port?

However, most PC’s and UNIX platforms use a 9-pin connection. In fact, only three pins are required for serial port communications: one for receiving data, one for transmitting data, and one for the signal ground. The pin assignment scheme for a 9-pin male connector on a DTE is given below.

What is an RS232 9 pin pinout and how does it work?

What Is an RS232 9 Pin Pinout? RS232 monitoring hardware establishes a connection between data terminal equipment (DTE) and data communication equipment (DCE). In order to link these devices, an RS232 D9 pinout is essential, as this pinout will allow you to connect two devices successfully. An RS232 pinout 9 pin cable features nine pins:

What are the pins on the PC COM port pinout?

Some PC manufacturers opt for non-standard signals and voltages on certain pins of their PC COM port pinout. On the original IBM PC, for instance, the female D-sub connector was used for the parallel Centronics printer port. Pin 1: GND − Shield Ground. Pin 2: TxD → Transmitted Data. Carries data from the Data Terminal to the Data Set.

What is an RS-232 serial port?

The background of the 9 pin serial port 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. RS-232 is the common standard used in serial ports.