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The Daily Insight

What does DB in db9 stand for?

Author

Emma Newman

Updated on June 03, 2026

Acronym. Definition. DB-9. Serial Communications D-Shell Connector, 9 Pins.

Regarding this, what is db9 used for?

DB9 connectors are designed to work with the EIA/TIA 232 serial interface standard, which determined the function of all nine pins as a standard, so that multiple companies could design them into their products. DB9 connectors were commonly used for serial peripheral devices like keyboards, mice, joysticks, etc.

One may also ask, what does db25 stand for? DB-25 is part of the D-subminiature (D-Sub) connector plug and socket family for computer and communication devices. DB-25 is a 25-pin electrical connector for serial and parallel computer ports. It is arranged in rows of two with one 13-pin row above another 12-pin row.

Also, is db9 same as VGA?

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.

What is a 9 pin connector called?

The term “DB9” refers to a common connector type, one of the D-Subminiature or D-Sub types of connectors. DB9 has the smallest “footprint” of the D-Subminiature connectors, and houses 9 pins (for the male connector) or 9 holes (for the female connector).

Related Question Answers

Can pins in db9 connector?

The DB9 is also known as 9-pin D-sub, DE-9 (its correct name), DB-9, serial connector, RS232 connector or null modem connector.

CAN Bus 9-pin D-Sub (DB9) Pinout Table.

Pin Description
3 Optional CAN ground
4 Reserved
5 Optional CAN shield
6 Optional ground

Is db9 same as rs232?

RS232 is the definition of the serial interface, e.g. the signal voltage and duration. DB9 is the 9 pin connector. But of course you can solder the cable to the devices directly also, without a DB9 or DB25 connector.

What is a Rs 232 connector?

The current version of the standard is TIA-232-F Interface Between Data Terminal Equipment and Data Circuit-Terminating Equipment Employing Serial Binary Data Interchange, issued in 1997. The RS-232 standard had been commonly used in computer serial ports and is still widely used in industrial communication devices.

What is a db9 car?

The Aston Martin DB9 is a British grand tourer first shown by Aston Martin at the 2003 Frankfurt Auto Show. Available both in coupé and a convertible bodystyles, the latter being known as the Volante, the DB9 was the successor of the DB7. It was the first model built at Aston Martin's Gaydon facility.

What is a DP cable?

A standard DisplayPort cable is designed to work with any DisplayPort Source device, such as a PC or laptop, and any DisplayPort monitor. You can also use a standard DisplayPort cable between a PC and a multi-stream hub, or between daisy-chainable multi-stream monitors.

What is the port that looks like VGA?

DisplayPort (DP) was designed to replace VGA, DVI, and FPD-Link and standardized by VESA. It is primarily used to connect a video source to a display device such as a computer monitor.

Can a VGA port be used as a serial port?

No it will not work with a VGA monitor. If it is specifically marked as RS-232 (or with a string of one's and zero's), then it is a serial port for things like serial mice.

How many pins does a VGA port have?

15

Is VGA port serial or parallel?

The connector on the graphics card and monitor is HD15, which is 15 pins in 3 rows, and is called a VGA connector for historical reasons. It's a totally different connector, and isn't “serial” at all, as the colour data is actually transmitted in parallel alongside the H and V sync signals.

Is db25 serial or parallel?

On a modern PC, a DB-25 (especially a female connector) is typically associated with a parallel (aka LPT) port. On older computer and telecommunication equipment, a DB-25 connector is typically a RS-232 serial port. Prior to the mid-1980s, RS-232 ports typically used DB-25 connectors.

Which is better D Sub or DVI?

DVI was purposely developed and designed to transmit video signals. In comparison, the D-sub connector is used for a much wider variety of applications. DVI is capable of transmitting both analog and digital signals its D-sub equivalent (the DE9) only carries analog signals.

What does D Sub mean?

D-Sub refers to a "digital sub-miniature" cable connection. The VGA D-Sub cable uses a D-shaped connector containing 15 pins.

What is a DVI connector?

Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source, such as a video display controller, to a display device, such as a computer monitor.

Which interface uses a 19 pin type A connector?

By signal standard
Signal standard name Introduction year Connector
High-Definition Multimedia Interface (HDMI) 2003 19 pin HDMI Type A/C
DisplayPort 2007 20-pin (external) 32-pin (internal)
DiiVA 2008 13-pin
HDBaseT 2010 8P8C

What is a 25 pin connector called?

The DB25 (originally DE-25) connector is an analog 25-pin plug of the D-Subminiature connector family (D-Sub or Sub-D). As with the DB9 connector, the DB25 is mainly used for serial connections, allowing for the asynchronous transmission of data as provided by standard RS-232 (RS-232C).

What are serial ports and parallel ports?

The main difference between a serial port and a parallel port is that a serial port transmits data one bit after another, while a parallel port transmits all 8 bits of a byte in parallel. Computers have both serial and parallel ports along with newer technology called a USB (Universal Serial Bus) port.

What is a DB 15 connector used for?

The HD15 is a High Density DB-style connector, so it can also be called an HD DB15. Another popular name is "VGA connector", although it is used in video applications that support much higher resolutions (SVGA, XGA, UXGA, etc.).

What is DP in Monitor?

DisplayPort (DP) is an audio/video (A/V) display interface used to connect a video source to a display device. For example, you may connect a computer monitor to the PC using the DisplayPort.

What is a db25 connector used for?

The DB25 (originally DE-25) connector is an analog 25-pin plug of the D-Subminiature connector family (D-Sub or Sub-D). Like the DB9 connector, the DB25 is primarily used for serial connections, allowing asynchronous transmission of data provided by standard RS-232 (RS-232C).

CAN bus cable?

CAN-Bus Data Cable reduces wiring, electronic interference, and offers high-speed network communication. It is resistant to abrasions and cuts, while also has an excellent resistance to oil and chemicals. The SAE J1939/15 is unshielded with no drain and the SAE J1939/11 CAN-Bus Cable is shielded with drain wire.