Difference between revisions of "DE-9"
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A D-shaped connector with two rows totaling 9 pins. The top row has 5 pins, and the bottom row has 4 pins. Due to the fact that it is a serial port, transmission is done one bit at a time. DB-9 ports are commonly seen on PCs as RS-232C serial ports. They are also used on the [[Sega Genesis]] for connecting input devices, such as game controllers. (Earlier revisions of the [[Sega Genesis]] had a third DB-9 port on the back of the console for a modem adapter.) | A D-shaped connector with two rows totaling 9 pins. The top row has 5 pins, and the bottom row has 4 pins. Due to the fact that it is a serial port, transmission is done one bit at a time. DB-9 ports are commonly seen on PCs as RS-232C serial ports. They are also used on the [[Sega Genesis]] for connecting input devices, such as game controllers. (Earlier revisions of the [[Sega Genesis]] had a third DB-9 port on the back of the console for a modem adapter.) | ||
Revision as of 15:01, 30 November 2004
A D-shaped connector with two rows totaling 9 pins. The top row has 5 pins, and the bottom row has 4 pins. Due to the fact that it is a serial port, transmission is done one bit at a time. DB-9 ports are commonly seen on PCs as RS-232C serial ports. They are also used on the Sega Genesis for connecting input devices, such as game controllers. (Earlier revisions of the Sega Genesis had a third DB-9 port on the back of the console for a modem adapter.)
Two types of DB-9 connectors exist. A male DB-9 connector has pins, while a female DB-9 connector has holes. You can only plug a male connector into a female plug or vice versa, unless you have a DB-9 gender changer.
Images
This is a male DB-9 connector: http://database.ssonicnet.com/images/DB-9m.png
This is a female DB-9 connector: http://database.ssonicnet.com/images/DB-9f2.png
