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RV & marine · International equipment

Lars Thrane LT-4200 — cover Rev 1.01

A Secondary Data Flow uses a separately provisioned network path. Missing data arrows or a working ordinary LAN connection alone cannot diagnose that path.

Troubleshoot this model →Open official guide ↓

Confirm your model

LT-4200 Certus 200; actual manual cover 95-102665 Rev 1.01, software 1.01R. URL filename says Rev 1.02. Not LT-4100 or LT-4200S.

How it connects

    Simplified signal path, not an installation or rewiring diagram. Follow the linked manual for power connections, grounding and your exact hardware revision.

    LT-4200 Certus 200; actual manual cover 95-102665 Rev 1.01, software 1.01R. URL filename says Rev 1.02. Not LT-4100 or LT-4200S.

    Lights and messages

    • A Secondary Data Flow uses a separately provisioned network path. Missing data arrows or a working ordinary LAN connection alone cannot diagnose that path.

    A light is one clue, not a complete diagnosis. Match the indicator’s label and the on-screen message.

    Before buying parts

    • Use authorized read-only checks. Preserve VLAN, subnet and security policy; do not enable a new flow or generate paid traffic to test it.

    These are compatibility notes and official reference links. Confirm the fault and exact part before buying.

    Model-specific parts: start with the official source

    Confirm the exact model and part number with the manufacturer or provider before buying any replacement part or accessory.

    Check the model and official instructions ↓