Parallel printer cable

A parallel printer cable, often referred to as an IEEE 1284 cable, is a specialized interface cable used to connect legacy printers, scanners, and other peripheral devices to a computer. These cables utilize a parallel communication protocol, which transmits multiple bits of data simultaneously across several wires, distinguishing them from serial communication methods. While modern connectivity has largely shifted toward USB and network-based solutions, parallel cables remain essential for maintaining older hardware systems in industrial, medical, and office environments. They are typically characterized by a 36-pin Centronics connector on the printer end and a 25-pin DB25 connector on the computer end. Choosing the correct cable ensures stable data transfer and compatibility with specific legacy hardware configurations.

Use cases of parallel printer cables

Parallel printer cables are primarily used in scenarios where older equipment must be integrated into existing workflows. Common applications include:

• Connecting legacy dot-matrix or laser printers to older workstations.
• Interfacing specialized industrial machinery that requires parallel port communication.
• Supporting medical diagnostic equipment that utilizes standard parallel interfaces.
• Maintaining compatibility with legacy POS (Point of Sale) systems.

Types of parallel printer cables

Parallel cables are categorized based on their technical specifications and connector types:

• IEEE 1284-A: Features a 25-pin DB25 connector, commonly found on PC parallel ports.
• IEEE 1284-B: Features a 36-pin Centronics connector, the standard for most printers.
• IEEE 1284-C: Features a 36-pin high-density connector, often used in compact equipment.
• Bi-directional cables: Support two-way communication, allowing the printer to send status information back to the computer.

Key features to consider

When selecting a cable, consider the following technical aspects to ensure proper functionality:

• Shielding: High-quality shielding is critical to prevent electromagnetic interference (EMI) and ensure data integrity over longer distances.
• Cable Length: Parallel signals can degrade over long distances; it is recommended to stay within the standard 3-meter to 5-meter range for optimal performance.
• Connector Quality: Durable, molded connectors with secure locking clips or screws prevent accidental disconnection and signal loss.
• Data Transfer Speed: Ensure the cable supports the required IEEE 1284 mode (such as ECP or EPP) if high-speed data transfer is necessary for your specific device.

How to choose a parallel printer cable

To select the appropriate cable, first identify the port types on both your computer and your peripheral device. Verify whether your printer requires a standard Centronics connector or a high-density connector. Check the length requirements of your workspace to avoid signal attenuation caused by excessively long cables. Finally, ensure the cable is rated for the specific communication mode (ECP/EPP) supported by your hardware to guarantee full functionality and reliable operation.

Which serial & parallel cables are the most popular and affordable in 2026?

The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:

• Extension Cable D-Sub9/M - D-Sub9/F Digitus 3m Beige for 5.99€
• DB9 RS232 Serial Cable M/F StarTech.com MXT1002MBK for 7.99€
• Serial cable StarTech 1 m DB9 RS232 Male to Female, straight-through, black for 10.49€
• USB Cable Hama 00200624 1.5m USB A Black for 10.99€
• Digitus Datatransfer extension cable D-Sub25/M - D-Sub25/F for 12.49€

Why is it worth buying serial & parallel cables at AiO.lv?

At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: ADAPTEC, APC, Cisco, Epson, HAMA, HP, Panasonic, Siemens, TRENDNET, WENTRONIC, Asus, DIGITUS, LOGILINK, Navilock, GEMBIRD, Unitek, ATEN, GOOBAY, DELTACO, QNAP. When you shop with us, you get:

• official warranty and guaranteed quality;
• convenient payment options (including installment and credit);
• fast and reliable delivery across Latvia and to any EU country.

FAQ

Where can you find a serial & parallel cables with cheap prices?

You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.

What is the delivery time for serial & parallel cables?

If you place your order today, delivery will take between 1 and 5 business days depending on the chosen method.

How long is the warranty period for serial & parallel cables?

Our store provides an official manufacturer’s warranty ranging from 12 to 36 months, depending on the model and brand. If needed, you can always contact our customer service department or the manufacturer’s authorized service center for support.

Are serial & parallel cables purchasable with leasing?

Yes, if the selected product costs more than €50. You can learn more about installment purchase options and the terms of application on the Payment page.

Can serial & parallel cables be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and throughout Europe. All product prices are shown with VAT included. In certain cases, a 0% VAT rate may apply — for example, when purchasing from other EU countries with a valid VAT number. We issue an invoice immediately after the order is placed, support BIS electronic invoices, and automatically generate all required accounting documents. To complete a purchase for a company, simply select the company profile during checkout.