Brainboxes Ethernet to Serial Adapter - 8 Port RS232 - ES-279

The Brainboxes ES-279 is an Ethernet to serial device server that provides reliable access to 8 RS...

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OnBuy.comBrainboxes Es-279 8 Port Rs232 Ethernet To Serial Adapter 837324009972
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eBayBrainboxes 8 Port RS232 Ethernet to Serial Adapter
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Product Information

Full details

The Brainboxes ES-279 is designed for IT professionals and industrial engineers who require reliable, long-distance access to legacy serial equipment over an Ethernet network. It provides eight high-performance RS232 ports with support for speeds up to 1,000,000 baud, making it an ideal choice for remote management of factory automation or data collection devices. While it offers robust Windows integration via local COM port drivers, users outside of the Windows ecosystem must rely on manual TCP/IP socket configuration or RFC2217 settings.

All features

SeriesES
Model Part NumberES-279
BrandBrainboxes

Extended Product Information

FAQs

Does this device support Wi-Fi?

No, the ES-279 is designed strictly for wired 10/100Base-T(X) Ethernet connections.

Can I use this with non-Windows software?

Yes, you can access the serial ports from any device capable of communicating via TCP/IP sockets.

What is the maximum baud rate?

The device supports baud rates up to 1,000,000 baud.

Does it require specific power supply requirements?

The device accepts a flexible DC input voltage between 5V and 30V.

How do I perform a factory reset?

Consult the user manual or the web configuration interface for the specific reset procedure to return the device to default settings.

Troubleshooting

Virtual COM port not appearing in Windows Device Manager

Ensure the latest signed Brainboxes drivers are installed and check the network connection between the PC and the ES-279.

Cannot access web configuration page

Verify the device is powered on, the Ethernet link light is active, and your computer is on the same subnet as the device.

Data transmission errors at high baud rates

Check that the serial cable lengths are within recommended RS232 specifications and ensure flow control (RTS/CTS) is enabled if required by the device.

Pros and Cons

Pros

  • Supports high data transfer rates up to 1Mbit/s
  • Durable metal housing suitable for industrial use
  • Compatible with both Windows drivers and universal TCP/IP sockets
  • Includes serial port tunneling for simple cable replacement

Cons

  • Requires manual configuration for non-Windows operating systems
  • Lacks integrated Wi-Fi connectivity
  • Configuration for non-Windows devices requires knowledge of TCP/IP socket handling

Setup, Compatibility & Care

To begin setup, connect your RS232 devices to the ports on the front panel and provide power within the 5-30V DC range. Connect the Ethernet port to your local network and use a web browser to navigate to the device’s IP address for initial configuration.

Compatibility

  • Operating Systems: Native Windows COM port support; Linux/Android/macOS support via TCP/IP sockets or RFC2217.
  • Network Standards: Compatible with standard IEEE 802.3 and 802.3u protocols.

Care

  • Keep the device in an environment within 0-55 °C.
  • Ensure adequate airflow around the metal chassis to prevent heat buildup during high-throughput operations.
  • Periodically inspect Ethernet and serial cabling to ensure secure connections and prevent signal degradation.

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