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John Manutes

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  1. Can we use more than two units, for example, a mesh network?

    3 votes

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    3 comments  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR2: Development of Next Gen End of Train Device Technology  ·  Admin →
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    John Manutes commented  · 

    There is some information available regarding spectrum in the NTSB Docket for Accident Number RRD19FR001, specifically the "Train Telemetry Group Analysis Report" found at this link: https://data.ntsb.gov/Docket/?NTSBNumber=RRD19FR001

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    John Manutes commented  · 

    To answer the second part of your question, it would be advisable to check with the FCC or refer to railroad standards. The FRA does not license the radio spectrums. Available information indicates that the railroads may use unlicensed Industrial, Scientific, and Medical Bands as well as licensed bands in the 450-570 MHz range. As mentioned in the topic description, working with a railroad partner would be a great way to navigate multi-agency regulatory challenges.

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    John Manutes commented  · 

    The project was never imagined to allow for more than two units. It would be extremely difficult, if not impossible, to implement a system that requires more devices than the current industry practice.

  2. Two questions on EOT/HOT device desired requirements

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    1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR2: Development of Next Gen End of Train Device Technology  ·  Admin →
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    John Manutes commented  · 

    FRA Program Managers believe that HOT/EOT devices transmit information such as air pressure, battery life, communication status, emergency brake requests, and location; although this may be an incomplete or inaccurate list. It would be important that the solicitor partner with experts in the field, such as railroads, to ensure technical knowledge and abilities are sufficient to successfully complete the project. Once source of information may be the NTSB Docket for Accident Number RRD19FR001, specifically the "Train Telemetry Group Analysis Report" found at this link: https://data.ntsb.gov/Docket/?NTSBNumber=RRD19FR001

    Federal Requirements for inspection, testing and maintenance can be found under "Two-Way EOT" sections of Title 49 CFR Part 232 Subpart E. AAR and Railroads may have more restrictive requirements.

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