With its test laboratories (#LEF) and its network of NoBo (CERTIFER Group), TRY&CERT is close to its customers to offer them ever more services. Its history and experience, acquired over the last 30 years, allow LEF to have 10 independent test laboratories covering all the certification needs of railway signalling solutions. Five of the LEF's laboratories are accredited to ISO 17025, guaranteeing independence, impartiality and high competence in ERTMS. This accreditation allows LEF to offer tests for EVC on-board solutions according to ERTMS Subset-026 094 and 076 standards. LEF also has 3 other laboratories for testing interoperability according to the ERTMS Subset-111 and 112 standards, but also EuroRadio according to the ERTMS Subset-092 standard and STM according to the ERTMS Subset-074 standard. Finally, LEF has 2 laboratories enabling railway IT manufacturers to obtain the label according to the ITxPT technical specifications. All our laboratories are equipped with state-of-the-art fully automated test benches with 24/7 operation. Coupled with our IRYSS testing robot, they ensure the repeatability and accuracy of the results provided by LEF by removing the human factor through fully automated processes. LEF also has its own R&D department with experts in AI, vision, software and design engineering. Our laboratories allow us to test complex environments by connecting, for example, to the Radio Block Center (RBC) and interlocking equipment (IXL) of OEM or infrastructure manager laboratories. Finally, LEF is one of the few laboratories to have obtained recognition from the European Railway Agency (ERA) for the development of ERTMS tests. LEF is developing the new ERTMS TSI CCS 2022 standard and maintaining the current ERTMS standards.

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