What is a Standard Parallel Port (SPP)?

What does SPP stand for?

A fashionable Parallel Port (SPP) is a port for connecting numerous extraordinarily high Bandwidth Peripherals, maximum commonly printers, to a PC. Later versions of the SPP permit Duplex verbal excHange. They use the DB-25 connector. The authentic SPP, through Centronics, was brought in 1970 and shortly have become the de facto enterprise general. However, some of special producers used the SPP with loads of connectors, including the DC-35, the DD50 and the M50.

This term is likewise called parallel port, printer port, Centronics port or Centronics Interface.

What Does Standard Parallel Port Mean?

Centronics turned into the agency that designed the original standard for parallel conversation among a Computer and a printer. A newer layout of the SPP, the use of the identical DB-25 connector, is referred to as the improved parallel port (EPP), or extended skills port (ECP). These newer ports were introduced by using IBM In 1987 and had facts Switch prices 10 Instances faster than the authentic SPP. In truth, most effective IBM Logo printers, which were rebranded from Epson, could be used with IBM PCs. HP introduced its Model of the EPP in 1992. But via 1994, most of these Interfaces were outmoded by way of the IEEE 1284 preferred.

Dongles, Zip Drives and Scanners had been a number of the early peripherals the use of the SPP. Other later Makes use of blanketed sound playing cards, Webcams, Joysticks, Modems, tough drives and CD-ROM drives. Today, USB and Ethernet connections have effectively replaced the SPP and Computer producers take into account it a legacy port.