Standard parallel port

Standard Parallel Port ( SPP ) is a mode of the parallel interface of a computer. SPP was introduced with the first personal computer (PC) for communicating with printers and scanners .

Because the original data rate of 50 to 150 KByte per second was too low, successors EPP and ECP were developed . They use the same Centronics connector according to IEEE 1284 , but in addition to increased transmission speed, other performance features such as B. FIFO available.