Prerequisites - VX820 Duet

Verifone VX820 Duet
Supported payment cards

  • Visa
  • VPay
  • Mastercard
  • Maestro
  • American Express
  • Discover
  • Diners club international
  • UnionPay
  • JCB

Provided components

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

Getting started

Set up your device correctly before you start using:

  1. Plug the power supply cable in.
  2. Connect the base to the power supply cable.
  3. Connect the Duet base to the Internet via the ETH port.
  4. Place the receipt paper roll in the Duet base.
  5. Perform a device security inspection.
Only connect a regular Ethernet cable to the ETH port.
Using any other type of cable or another port (for example, the RS232 port) might severely damage the device.


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.


Can't find something you are looking for? Look at our FAQ for answers or send an email to support.