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    Product Description

    KARM-NG was developed in partnership with SNCF Connect to strengthen TVM armament control on French high-speed lines.

    Based on secured GNSS train localization, KARM-NG continuously verifies the appropriate TVM protection is active and provides the required armament-control information to the onboard signaling chain.

    Built on U-TEST® real-time technology, it also provides self-test, data recording, and maintenance capabilities in a compact railway-qualified architecture.

    Key Benefits

    • Continuous TVM armament verification beyond trackside transition points

    • Maintains armament control after an onboard reset or restart on the high-speed line - Ligne à Grande Vitesse (LGV)

    • GNSS-based localization provides an independent indication of train position

    • Developed with SNCF Connect and deployed on TGV trains in commercial service

    • Railway-qualified, maintainable platform for long-term operation

    Application Areas

    Features & Additional Information

    • Continuously verifies TVM armament where TVM protection is required
    • Complements DGV/FGV trackside balise-based armament control
    • Maintains armament control after onboard reset or restart while already on the LGV

    • Determines train position on TVM-equipped lines using GNSS features
    • Executes armament-control logic in real time
    • Records operational data for maintenance and post-event analysis
    • Railway-qualified platform
    • Reusable hardware baseline for related onboard railway applications
    • Certified to EN50155, EN50121-3-2, EN45545, EN61373, and EN50153
    Technical Specifications
    Power Consumption

    30W
    Temperature Range

    -25°C / +70°C
    Altitude

    Max Altitude 1400 m
    Humidity

    0 - 90%
    Firmware

     U-TEST® real-time
    Nominal Supply Voltage Between 24VDC and 138VDC

    Contact us

    Developed with SNCF Connect and deployed on TGV trains in service, KARM-NG extends TVM armament control beyond trackside transition points through continuous GNSS-based monitoring.