Unattended, stand-alone A simple example of an unattended, stand-alone system for unattended self-
service is shown below:
Note: The term stand-alone is used when a POS is not present in the system.
In this scenario, the PSS 5000 is used to control the fuel pump and authoriza-
tion is controlled via a 3rd party payment solution for cards and/or bank notes.
Attended, with POS A simple example of an attended site, with 2 POS connections, is shown be-
low:
In this scenario, the PSS 5000 is used to control the fuel pumps and connect to
the Point-Of-Sale (POS) terminals. Payments for the transactions take place
via the POS terminals.