> ## Documentation Index
> Fetch the complete documentation index at: https://devzone.nayax.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Marshall FAQs

This FAQ section has technical details, troubleshooting, and configuration guidance for integrating your peripheral with Nayax's Marshall devices (VPOST, Onyx, VPOSM).

Browse three core categories to quickly find the information you need:

<CardGroup cols={3}>
  <Card icon="id-card" title="General" href="/docs/integrate-pos-device/marshall/marshall-faqs/faq-general">
    Find essential information on cards, communication (ETH/IP), alerts, logs (Gtrace), refunds, and firmware updates.
  </Card>

  <Card icon="microchip" title="Device" href="/docs/integrate-pos-device/marshall/marshall-faqs/faq">
    Fix device startup issues, review power supply notes, activation steps, firmware, communication fallback, and hardware specs.
  </Card>

  <Card icon="sliders" title="Flow & Configurations" href="/docs/integrate-pos-device/marshall/marshall-faqs/faq-marshall-flowconfigurations">
    Configure vend timeouts, Status command logic, communication loss handling, and session flow/status codes.
  </Card>
</CardGroup>

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