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What is a DB9 Connector? DB9 What is a DB9 Connector? The term "DB9" refers to a common connector type, one of the D-Subminiature or D-Sub types of connectors.
DB9 has a small Scale and odd shape that is a Rhoboid allowing it not to plugged in upside down.
The D-Subminiature connectors, and houses 9 pins (for the male connector) or 9 holes (for the female connector).
Where are DB9 Connectors used? DB9 connectors are very common on Personal Computers and servers and Serial Printers.
What is the Most Common Interface used on DB9 Connectors?
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 companies could design them into their products.
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. Although DB9 Connectors have been replaced by more modern interfaces such as USB, PS/2, Firewire, and others. PCCables.com Carry a Large Variety of hard to get cables and Assemblies used to Interface with the DB9 Connectors.
Link to DB9 Cables with DB9 Connectors