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UnifiedPOS or UPOS is a world wide vendor- and retailer-driven Open Standard's initiative under the National Retail Federation, Association of Retail Technology Standards (NRF-ARTS) to provide vendor-neutral software application interfaces for numerous (as of 2011, thirty-six) point of sale (POS) peripherals (POS printer, cash drawer, magnetic stripe reader, bar code scanner, line displays, etc.).
PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.
The 4690 documentation contains a list of supported POS devices, some in use over 20 years. The family of IBM Universal Serial Bus ( USB ) POS devices that 4690 supports includes keyboards, displays, and cash drawers . 4690 also supports other input/output (I/O) devices designed and conforming to IBM's USB POS device interface specifications.
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On January 20, 2009 Heartland announced that it had been "the victim of a security breach within its processing system in 2008". [8] The data stolen included the digital information encoded onto the magnetic stripe built into the backs of credit and debit cards; with that data, thieves can fashion counterfeit credit cards by imprinting the same stolen information onto fabricated cards. [9]
The EPS device is a dual-unit device consisting of a removable card processor and a stationary base that serves as a charger and data link. Some retailers may use an integrated machine. In such situations, the customer inserts the card into the machine directly and waits for the retailer's acknowledgement before proceeding to the rest of the steps.
A "free" trial is another related concept in which customers are allowed to use a product, free of charge, for a limited time. [ 29 ] When a software monopoly has a strong network effect, it may be more profitable for it to offer a "free" trial. [ 30 ]