Subset 93
CO-ORDINATION BETWEEN NOTIFIED BODIES
DIRECTIVES 96/48/EC AND 2001/16/EC ON THE INTEROPERABILITY OF THE TRANS-EUROPEAN HIGH-SPEED AND
CONVENTIONAL RAILWAY SYSTEMS
QC-CCS-002
Issue: 01 Date: 20.04.2007 Page 1 of 4
TITLE DISCREPANCIES BETWEEN SUBSET-093 VERSION 2.3.0 AND O-2475 VERSION 1.0 ORIGINATOR RINA (NOTIFIED BODY 0474) SUBJECT RELATED TO HS CCS TSI & CR CCS TSI
DESCRIPTION AND BACKGROUND EXPLANATION This QC points out two aspects of the GSM-R specifications item B37 of the TSI (Subset 093 - “GSM-R Interfaces- Class 1 Requirements”) and item B5 (O_2475 - “ERTMS GSM-R QoS test Specification”). The first aspect regards the version discrepancy of the two documents: Subset-093 "GSM-R Interfaces – Class 1 Requirements" version 2.2.6 and O-2475 "ERTMS/GSM-R Quality of Service - Test Specification" version 1.0 are dated respectively September 2003 and October 2003. These versions were recalled consistently by the old TSI. However, the new TSI (2006/860/EC) references in Annex A an updated version of Subset-093 (version 2.3.0, dated October 2005) while O-2475 still remains at version 1.0. Therefore, important changes made in Subset-093 regarding the important indicators of the track-train communication quality, have not been reflected back into in the test specification (O-2475). Even though these specifications are defined “informative” by the TSI, they are the only harmonised ones available today for checking the correct operation and the availability of the radio communication. The second point regards some problems encountered during Quality of Service tests performed on GSM-R data transmission equipment in Italian high speed lines. Trials carried out on High Speed Line Roma-Napoli have shown that the new requirement on Transmission Interference introduced in Subset 093-v2.3.0 results much more difficult to fulfil than in the previous version. The new definition could bring to consider as erroneous a normal behaviour of a