Downloads utnserver Pro

Firmware

To maintain existing installations SEH regularly offers firmware and software updates providing new features, extended protocol support, etc. The relevant files are made available for download at no charge.

This product contains software that falls under various open source licenses. The contained open source software was unchanged or modified and used in whole or in part.

The license website​​​​​​​ shows you which open source licenses are involved and you can download and view them.

Please select the firmware that matches your HW version. You can find the HW version on the nameplate of your device.
The HW version is also displayed in the ControlCenter and the SEH Product Manager.

• Hardware version 2.x and 5.x: Software version 20.2.8, released 2026-05-18
  • SHA256 Checksum: bde49684d37e507cf6a85ee0af837359c27dcced94f0736136aa0a0f638d0875  d-sys-uds-20.2.8.bin
• Hardware version 3.x: Software version 20.2.8, released 2026-05-18
  • SHA256 Checksum: 61936bc0218dd7d7498f7b2ecdea6e2daf550f372107edab29861a9fc73cbf44  p-sys-uds-20.2.8.bin
• Info: In addition to the firmware, the download package contains the corresponding checksum and a digital signature to verify the file's integrity and authenticity. Detailed instructions for verifying both integrity and authenticity can be found in the Knowledgebase article.

Note:
Save your current settings with a parameter backup before you upgrade.
A backup is the best way to preserve all configuration settings in the event of a downgrade.  

Tools

Load the current version of the installation and management tools for your product. 

SEH UTN Manager:

SEH Product Manager:

Utilities

Here you will find our private MIB for easy network monitoring and configuration of our products.