Port Connections - First Data VeriFoneVX820 Duet Quick Setup Manual

VX820Duet-QSG-2015-08 (English)
Getting to know the Vx820 Duet
The picture shows a VX820 Duet terminal.

Port Connections

PHONE: For dial-up transactions using a phone line.
USB AND RS232: These ports are not in use, but may be used for future
enhancements such as peripheral pin pads, cheque readers, or used for
technical intervention or downloads.
ETHERNET: For Internet transactions using Cable or DSL.
AC INPUT: To connect your power supply to a wall outlet.
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