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

General

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

Device

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

Flow & Configurations

Configure vend timeouts, Status command logic, communication loss handling, and session flow/status codes.