In 1983 they introduced the ZON terminal series, which would become the standard for modern payment terminals. It started in 1981 in Hawaii as a small electronic company. One of the first companies to produce dedicated payment terminals was Verifone. ДЄ typical counter-top payment terminal from 2007 There have also been incidence of skimming at card terminals and this led to the move away from using the magnetic strip to capture information using EMV standards. Nevertheless, there have been some cases of POS pin pad malware. In terms of security, terminals provide end to end card data encryption and auditing functions. The development of payment terminals was led by the advantage of efficiency by decreased transaction processing times and immediate authorisation of payments. Prior to the development of payment terminals, merchants would capture card information manually using ZipZap machines. Wireless terminals transmit card data using Bluetooth, Wi-Fi, cellular, or even satellite networks in remote areas and onboard airplanes. Some also have the ability to cache transactional data to be transmitted to the gateway processor when a connection becomes available the major drawback to this is that immediate authorization is not available at the time the card was processed, which can subsequently result in failed payments.

Legacy terminals communicate over standard telephone line or Ethernet connections. The majority of card terminals today transmit data over cellular network connections and Wi-Fi. OTI TRIO-IQ Enables all NFC, contact & contactless EMV payments. Terminals can also be used in stand alone mode, where the merchant keys the amount into the terminal before the customer present their card and personal identification number (PIN). They are often connected to point of sale systems so that payment amounts and confirmation of payment can be transferred automatically to the merchants retail management system.

The terminal allows the merchant or their client to swipe, insert or hold a card near the device to capture the information. The terminal typically consists of a secure keypad (called a PINpad) for entering PIN, a screen, a means of capturing information from payments cards and a network connection to access the payment network for authorization.ДЄ payment terminal allows a merchant to capture required credit and debit card information and to transmit this data to the merchant services provider or bank for authorization and finally, to transfer funds to the merchant. PAX Technology S90 credit card terminal with a Visa card inserted.ДЄ payment terminal, also known as a point of sale (POS) terminal, credit card terminal, EFTPOS terminal (or by the older term as PDQ terminal which stands for 'Process Data Quickly' ), is a device which interfaces with payment cards to make electronic funds transfers.

Pos terminal