Article updated on May 3, 2023 at 10:58 PM GMT

USB-331 Converter Review: A Must-Have for Tech Enthusiasts

Read my honest review of the USB-331 converter: features, pros, and real-world benefits for your connection needs. Ideal for tech enthusiasts!

8.5 / 10
ELEK SCORE

USB-331 Serial (RS232 - ASCII) to USB Keyboard Protocol Converter

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Introduction

As a tech enthusiast who regularly tinkers with different hardware setups, I was on the lookout for a reliable way to bridge the gap between RS232 devices and USB keyboards. That’s when I stumbled upon the USB-331 Serial (RS232 - ASCII) to USB Keyboard Protocol Converter from Vetra Systems. This nifty little device has proven to be a game-changer for my projects, making it seamless for users to connect legacy equipment with modern USB peripherals. It's best suited for hobbyists, IT professionals, and anyone needing to ensure communication between RS232 devices and USB interfaces.

Key Features

  • RS232 to USB Conversion: The USB-331 efficiently converts RS232 signals into USB, allowing for easy connectivity with modern devices. This is especially useful for connecting older equipment to newer systems.

  • Keyboard Protocol Support: This converter supports a variety of keyboard protocols, enabling it to communicate effectively with USB keyboards, thus broadening its scope of use.

  • Plug and Play Design: With a simple plug and play setup, there’s no need for complex installation processes. Just connect the device, and you’re ready to go!

  • Compact Size: Its compact design makes it easy to include in any workspace or equipment rack without taking up much room.

  • Sturdy Build Quality: The device is made with durable materials, ensuring longevity and reliability in various environments.

USB-331 Serial (RS232 - ASCII) to USB Keyboard Protocol Converter product image 1

Benefits

  • Simplifies connection between legacy RS232 devices and modern USB hardware.

  • Saves time with a straightforward installation process due to its plug and play capability.

  • Eliminates the need for multiple adapters, streamlining your setup.

  • Enhances productivity by enabling the use of USB keyboards with older equipment.

Real-World Use Cases

  • Using an old industrial machine with a USB-based keyboard: I connected an old CNC machine that only had RS232 interfaces with a USB keyboard. The USB-331 did its job flawlessly, making data entry easy.

  • Connecting legacy systems in an office environment: In my workplace, we often utilize old inventory systems. The USB-331 allowed us to incorporate new keyboards without replacing the entire system.

USB-331 Serial (RS232 - ASCII) to USB Keyboard Protocol Converter product image 2

Pros and Cons

Pros

  • Easy to set up with a plug and play design.

  • Versatile with various keyboard protocols supported.

  • Compact and sturdy for long-term use.

  • Great compatibility with legacy RS232 devices.

Cons

  • Limited to keyboard protocol support; may not be suitable for devices requiring complex data protocols.

  • The device may not provide additional power for some peripherals.

USB-331 Serial (RS232 - ASCII) to USB Keyboard Protocol Converter product image 3

Comparison

  • StarTech.com RS232 to USB Adapter: While StarTech's adapter is versatile, it lacks the specific keyboard protocol support that USB-331 offers, making it less suitable for keyboard tasks.

  • ATEN USB to Serial Converter: ATEN offers serial communication without the direct keyboard support, which makes USB-331 stand out for keyboard integration.

Conclusion

After using the USB-331 Serial (RS232 - ASCII) to USB Keyboard Protocol Converter for several weeks, I can confidently say it delivers on its promises. It has saved me time, enhanced my setup, and allowed more efficient interaction with older devices. I highly recommend the USB-331 to anyone needing to bridge the gap between legacy RS232 devices and modern USB peripherals.

USB to RS232 converter

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Vetra Systems USB-331 USB to RS232 converter

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keyboard protocol converter

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