![]() PINÄ«elow is an explanation of each of the above purposes. Pin 1 through 25 identified in the image above. Below is additional information about each of the pins on this connector. Although there are 50 foot cables, it is not recommended that these cables be used as it can create poor connection and data signals. The DB25 connector had an 8-bit data bus and a maximum cable length of 15-feet. ![]() Some of these modes include: IEEE-1284 (Auto), Centronics mode, Nibble Mode, SPP (unidirectional), bidirectional, EPP, and ECP. The computer is capable of having the parallel port run at different modes depending on your needs and available resources. The connection is in the shape of the letter D, is a female connector, and has 25 holes. In the above picture, you can see the DB25 parallel port connection is easy to identify because it's the biggest connection on the back of the computer. ![]() Also, many new computers and laptops no longer have a parallel port. With the introduction of USB, FireWire, and other faster solutions, parallel ports are rarely used anymore.
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