The IRS 90940, "SFERA protocol: Train operation data exchange with on-board devices"
is available for free here:
Here are introductive slides for the User Group:
SFERA User Group
The SFERA project’s Members opened a User Group".
Its goal is to gather companies using (or intending to use) SFERA, developing and/or using DAS, C-DAS or ATO solutions based (or not yet) on the application of SFERA in practice as described in IRS 90940.
The SFERA User Group Members can be:
- UIC Member companies i.e. Railway Undertakings (RU), Infrastructure Managers (IM) etc.
- Any third party companies which are not UIC members, acting as stakeholders in the business described hereabove, including the Railway Industry.
Being part of the SFERA User Group will help to:
- Get support in implementing the SFERA protocol,
- Sharing feedback/experience on the IRS based on its application by the various parties,
- Facilitating the use of SFERA by sharing with authors (SFERA working group members) and companies sharing experience.
- Initiate requests for changes to IRS 90940 to the SFERA Maintenance Group based on experience in implementations, production possibilities.
To get involved in the SFERA User Group, please fill in the following form:
Notes:
- Participants are required to have the relevant position/background knowledge.
- The SFERA User Group’s framework is described in the following Terms of Reference:
Change Request submission
You can report an issue, error, or propose a change to the IRS 90940 by filling the form below.
If you intend to suggest multiple changes, you can use this Excel template and send it back to SFERA UIC Advisors.
If you are proposing heavy or subtle changes that would need the Maintenance Group to deeply assess your request, please consider providing a slideshow or description document that you could introduce to the Maintenance Group in a conference as a guest.

