Appendix C
Glossary
NOTE: This document is CONFIDENTIAL and must be used exclusively for the operation of PAX programs. It may not be
duplicated, published, or disclosed without PAX prior written permission.
241
APPENDIX C – Glossary
A
AVS: Address Verification System. Address Verification System (AVS) is a system
used to verify the identity of the person claiming to own the credit card.
B
Batch: The collection of current transactions stored in the terminal’s database.
C
CID: Card Identification Number
CVC: Card Verification Code
CVV: Card Verification Value
E
EBT: Electronic Benefit Transfer
H
HALO: High Amount Lock Out - maximum amount limit on sales, returns, and cash
back
P
PIN: Personal Identification Number – 4 to 16-digit confidential code used by
cardholders to identify themselves as the proper users of a credit or debit card to the
Host computer.
PIN Pad: A small terminal used for entering Personal Identification Numbers (PINs).
PIN Pads can encrypt PINs before sending them to a terminal or other controller.
Some PIN Pads are equipped with built-in magnetic stripe card readers or are built
into the terminal.
Pre-Dial Call: allows user to enable/disable pre-dial for faster processing time
POS: Pont of Service
POS Terminal: Point of Sale Terminal - a terminal used at the purchase location,
which is usually at a merchant’s locale where the customer pays for goods or services
received. Information concerning the sale can be entered into the terminal and
transmitted to a remote Host computer for verification and processing.
S
S90: terminal from PAX
SMA: Speed Messaging Application
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