SPP Standard Parallel Port This is the original parallel port, its been used on all PC computers since the very beginning and has mostly remained unchanged over the years. When IBM came up with the first PC, they opted to go along the lines of the the most prominent printer manufacturer at the time, Centronics. Parallel test plugs.
Parallel cables Standard parallel cables are easy to obtain, but the link cable and test connectors which are shown here can often be better soldered by yourself. Parallel connector pinout The parallel port socket on your computer uses 25 pins. On most peripherals like printers, the 36 pins Centronics version is used.
Both connector Pinout of PC parallel LPT port and layout of 25 pin DSUB female connectorOne of the most used printer interfaces (in the past), since every IntelDOSWindows based Personal Computer was equipped with DSub25 female connector which was called LPT1 Apr 17, 2009 A friend's newer laptop comes only with a USB port, no longer does it have a parallel printer output port. I loaned him an older parallel port laser The pins on a parallel port that youre most interested in for your electronics projects are pins 2 through 9 the eight data pins that are collectively called the data port.
When the data port is connected to a printer, its eight pins are capable of sending 1 byte of data at a time to the printer. Pinout of ECP Parallel LPT port (IEEE1284A) and layout of 25 pin DSUB female connector and 25 pin DSUB male connectorThis port is found in some old PC computers. ECP Extended Capabilities port. ECP is an extension of the EPP design.
Normally the parallel port is indicated by the term LPT which did stand for line printer terminal, but now simply refers to the parallel port. The Centronics parallel cable has a maximum run out to 12 feet, using a 36pin champ connector at the printer and a 25pin DSub connector on the Parallel printer port pinout [PC side.