VX820 Duet user manual

Here we describe how to set up, configure, and use the Verifone VX820 payment device.

If the terminal shows an exclamation at the top bar, this means that the terminal holds data that it failed to synchronise with the Adyen payments platform due to lack of an outgoing internet connection.


The following topics will help you get your new terminal up and running quickly:

Although it is technically possible to use a serial connection between the POS and the PED, Adyen strongly recommends using Ethernet connectivity, due to its superior speed and performance with a number of Operating Systems.

Provided components

  • VX820 payment terminal (PED)
  • Duet (base station with built-in printer)
  • Power supply
  • Privacy shield
  • Ethernet dongle
  • 1 paper roll