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This FAQ section has technical details, troubleshooting, and configuration guidance for integrating your peripheral with Nayax’s Marshall devices (VPOST, Onyx, VPOSM). The content is organized into three core categories to help you quickly find the information you need:

General

Essential information on cards, communication (ETH/IP), alerts, logs (Gtrace), refunds, and firmware updates.

Device

Fixes for device startup issues, power supply notes, activation steps, firmware, communication fallback, and hardware specs.

Flow & Configurations

Configuration details for vend timeouts, Status command logic, communication loss, and session flow/status codes.