Ads
related to: db 9 serial port
Search results
Results From The WOW.Com Content Network
Because personal computers first used DB-25 connectors for their serial and parallel ports, when the PC serial port began to use 9-pin connectors, they were often labeled as DB-9 instead of DE-9 connectors, due to an ignorance of the fact that B represented a shell size. It is now common to see DE-9 connectors sold as DB-9 connectors.
DE-9 connector, a common type of D-subminiature electrical connector, widely referred to as "DB-9" even though that is a different sized connector. Atari joystick port, known as the "DB-9" or "DB9", classic video game controller port made popular for game consoles and home computers mainly through the 1980s and ‘90s
A serial port is a serial communication interface through which information transfers in or out sequentially one ... DB-25 DE-9 MMJ 8P8C ("RJ45") 10P10C ("RJ50") EIA ...
A DB-25 connector as described in the RS-232 standard Data circuit-terminating equipment (DCE) and data terminal equipment (DTE) network. In telecommunications, RS-232 or Recommended Standard 232 [1] is a standard originally introduced in 1960 [2] for serial communication transmission of data.
Blue or magenta: Parallel printer DB-25; Amber: Serial DB-25 or DB-9; Pastel pink: Microphone 1/8" stereo (TRS) minijack; Pastel green: Speaker 1/8" stereo (TRS) minijack; Additionally, USB ports are color-coded according to the specification and data transfer speed, e.g. USB 1.x and 2.x ports are usually white or black, and USB 3.0 ones are blue.
The DTR signal is present on pin 20 of the 22-wire RS-232 interface using a DB-25 connector, and on pin 4 of a newer DE-9 serial port. The signal is asserted (logic "1") by raising the voltage of the pin from negative to positive.