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123 - axept S900 User Guide v1.7
Online refers to a direct connection is available to the internet for authorisation or validation
before a transaction can be executed.
Offline means the connection is not available.
Acronym for Primary Account Number and also referred to as account number. A unique
payment card number (typically for credit or debit cards) that identifies the issuer and the
particular cardholder account.
A string of characters that serve as an authenticator of the user.
Sometimes referred to as Payment Gateway or Payment Service Provider (PSP). Entity
engaged by a merchant or other entity to handle payment card transactions on their
behalf. While payment processors typically provide acquiring services, payment
processors are not considered acquirers unless defined as such by a payment card
brand.
Acronym for Payment Card Industry.
Acronym for Payment Card Industry Data Security Standard.
Acronym for PIN Entry Device.
Acronym for Personal Identification Number. A secret numeric password known only to
the cardholder. The PIN is used by the cardholder to provide authentication prior to an
authorisation being attempted.
The processing of instructions or data on an individual basis at the time they are received
rather than at a later time.
Terminal Identification is a unique number assigned to a terminal by Optomany.
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