Parallel Port D-Sub Connectors

D-Shaped Connectors - Centronics:

Definition:
D-Shaped Connectors, specifically Centronics connectors, are a type of electrical connector characterized by their distinctive D-shaped form. They were originally designed by Centronics Data Computer Corporation and are commonly used for parallel communication between devices such as printers and computers.

Function:
These connectors serve to establish a parallel data transfer link, allowing multiple data bits to be transmitted simultaneously. They are typically used for high-speed data transfer in applications where a large amount of data needs to be sent in a short period, such as printing.

Applications:
1. Printing: The most common application of Centronics connectors is in printer interfaces, where they facilitate the transfer of data from a computer to a printer.
2. Data Transfer: They can also be used for data transfer between other types of peripheral devices that support parallel communication.
3. Industrial Automation: In some industrial settings, Centronics connectors may be used for control and communication between machines and computers.

Selection Criteria:
1. Pin Count: Centronics connectors come in various pin configurations, with 36-pin and 50-pin being the most common. The choice depends on the data transfer requirements of the application.
2. Gender: Connectors are available in male and female types, with the male connector having pins and the female having corresponding holes.
3. Cable Length: The length of the cable should be chosen based on the distance between the connected devices.
4. Compatibility: Ensure that the connector is compatible with the devices it will be used with, considering factors such as the type of interface (parallel, USB, etc.) and the specific pin configuration.
5. Quality: Look for connectors made from durable materials that can withstand frequent use and maintain a reliable connection over time.

Centronics connectors have been largely replaced by USB and other more modern interfaces in many consumer applications due to their higher data transfer rates and ease of use. However, they are still found in certain specialized environments and legacy systems.
Please refer to the product rule book for details.