86 © Hypercom EMEA Ltd. 2011 Glossary
Glossary
Terminal operation
AVS
Address Verification System. A security method used for Customer Not
Present keyed transactions to help reduce fraud. This method confirms the
house number and numbers from the post code of the cardholder‟s
registered address.
Batch
The store of transaction totals in the terminal.
CVV2
Card Security Code (also known as CVV, CV2, CVC, CVVC and CSC). This is
usually used for keyed transactions to reduce fraud. The CVV2 code is a 3
digit number found on the signature strip, or for American Express a four
digit code on the front of the card.
Cashback
A value-add service which allows you to debit a customers debit card and
hand over the equivalent value in cash.
Merchant Number
A 7-16 digit number assigned by your bank to identify a merchant. Often
abbreviated to MID. Additional card schemes may have separate Merchant
Numbers
PIN
Personal Identification Number. This is usually a 4 digit number entered at
the point of sale to validate the cardholder.
Settlement
The procedure whereby the terminal checks the totals it has stored in its
Batch with the totals stored at your Acquirer.
Terminal ID (TID)
A unique 8-digit number assigned to each terminal.
UKCA
UK Cards Association. The organisation defining the rules and standard for
the operation of most Point of Sales equipment in the United Kingdom and
Ireland. Formerly known as Association for Payment Clearing Services
(APACS).
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