CRRC unveils SigThemis ETCS solution

Written by Keith Barrow, Senior Editor, International Railway Journal
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CRRC presented its SigThemis ETCS solution at the UITP Global Public Transport Summit in Stockholm on June 10.

Developed by Zhuzhou CRRC Times Electric, SigThemis is based on the specification for SRS 3.6.0, which was published by the EU Agency for Railways in June 2016.

Presenting details of the technology, Geng Hongliang, Vice Chief Engineer for CRRC Times Signal & Communication, said the Radio Block Centre (RBC), Computer-Based Interlocking (CBI), European Vital Computer (EVC) and Centralized Traffic Control (CTC) are SIL4-certified and compliant with relevant TSIs.

The CTC has a triple-redundancy architecture to optimize reliability and the EVC can support standardized interfaces with legacy national signaling systems. SigThemis can simultaneously support baseline 2 and 3 functions.

CRRC says SigThemis is also fully interoperable with its Chinese Train Communication (CTCS) Level 0 technology.

CRRC’s CCS research unit is now developing vehicle-to-vehicle communication through SigThemis as part of its work on Automatic Train Operation (ATO).

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