IRS 50568-1ed.

Die Annotation des Normtextes IRS 50568-1ed. :

This IRS includes:

The provisions which define the minimum conditions with which loudspeaker and telephone systems shall comply in RIC coaches.

It integrates in full or in part the following UIC leaflets:
- UIC Leaflet 568

It aims to complement the following standards:
- IRS 40440: Public-address systems in coaches, 1st edition, December 2019
- IRS 50558: Railway Applications - Rolling Stock - Remote control and data cable interfaces - Technical features, 2nd edition, November 2022
- Leaflet 751-3 - Technical regulations for international ground-train radio systems, 4th edition, July 2005.