Updated: 04/26/2017 by Computer Hope

Short for Line Printer Terminal, LPT is used by IBM compatible computers as an identification for the parallel port, such as LPT1, LPT2, or LPT3. The LPT port is commonly required when installing a printer on an IBM compatible computer. The majority of all computers utilize LPT1 and do not have an option for another LPT port unless additional ports are added to the computer.

Parallel port

Where is the LPT (parallel) port on a computer?

The LPT port or parallel port is found on the back of the computer and is part of the motherboard.

Note: Most of today's computers are eliminating the parallel port in favor of USB ports.

Port, Printing terms