Triple-F Sniffer software
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Triple-F Sniffer software

The Triple-F Sniffer software decodes the onboard information and displays the protocols according to ERTMS definitions which allows users to see whether the messages are compatible with ERTMS specifications.


ERTMS Protocol Analyzer for FFFIS interfaces

  • STM: Profibus/SLL/STL/S058
  • Euroradio: GSM-R/S037/S026
  • Subset-098: TCP-IP
  • Using a passive ISA-approved monitoring device: the Onboard Monitoring Box
  • Full decoding of protocol stack
  • Advanced features: scripting

Watch our Slideshare presentation.

Want to know more or to discuss your business case? Contact us directly at

ERTMS Solutions
Brussels HQ

Tel: +32 2 612 41 70

Fax: +32 2 522 0930
Rue de la Caserne 45

1000 Brussels – Belgium

VAT: 0897.249.802 / European ID-Entreprise ID: BE0897249802

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