# Diebold Nixdorf KA21 Keyboard, black

**URL:** https://aio.lv/en/product--diebold-nixdorf-crka-2121--10933066
**Data updated:** 2026-06-02 20:08 (EEST)
**Category:** Keyboards
**Manufacturer:** diebold nixdorf
**Manufacturer code:** CRKA-2121
**Warranty:** 3 Years
**Availability:** Out of stock

## Summary description

The Diebold Nixdorf KA21 is a professional-grade keyboard designed for retail and point-of-sale environments. Finished in black, this robust input device offers reliable performance and ergonomic design for high-volume transaction processing. It is built to meet the demanding requirements of modern business operations, ensuring durability and efficient data entry for various commercial applications.

## Long description

The Diebold Nixdorf KA21 is a professional-grade keyboard engineered specifically for the rigorous demands of retail and point-of-sale environments. Featuring a durable construction and a sleek black finish, this input device is designed to provide consistent, reliable performance during high-volume transaction processing. Its ergonomic layout ensures that operators can maintain efficiency throughout long shifts, making it an essential component for modern commercial business operations.
Advantages
This keyboard stands out due to its robust build quality, which is tailored to withstand the heavy daily usage typical of busy checkout counters. The tactile feedback of the keys is optimized for rapid and accurate data entry, minimizing errors during customer interactions. Furthermore, its professional design integrates seamlessly into existing POS setups, providing a stable and dependable interface that supports streamlined business workflows and long-term operational reliability.
Suitable for
Retail point-of-sale systems
High-volume transaction processing
Commercial checkout counters
Service-oriented business environments
When it may not be suitable
This keyboard is specifically designed for professional retail and POS applications and may not be suitable for general office use or gaming purposes where specialized features like multimedia keys or high-speed polling rates are required. It is also not intended for environments where a compact or wireless form factor is necessary.
Key specifications
Professional-grade retail keyboard
Ergonomic layout for high-volume use
Durable construction for commercial environments
Color: Black
How to use
To use the Diebold Nixdorf KA21, connect the device to your compatible point-of-sale terminal or computer using the appropriate interface cable. Once connected, the system should automatically recognize the input device. Ensure the keyboard is placed on a flat, stable surface to maintain ergonomic comfort and prevent movement during operation. Keep the surface clean and free of debris to ensure the longevity of the key switches.
What to consider before purchase
Verify compatibility with your existing POS terminal or computer system
Ensure the interface cable is available for your specific setup
Consider the physical space available at your checkout counter
Usage recommendations: Regularly clean the keyboard surface with a dry, lint-free cloth to maintain hygiene and performance. Avoid using harsh chemical cleaners or liquids directly on the keys to prevent damage to the internal components.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All diebold nixdorf products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized diebold nixdorf service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for Diebold Nixdorf KA21 Keyboard?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10933066/61187162_large.webp