P
REFACE
Conventions and Acronyms
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Acronym Definitions
Various acronyms are used in place of the full definition. Table 2 presents
acronyms and their definitions.
Table 2 Acronym Definitions
Acronym Definitions
AC Alternating Current
CDMA Code Division Multiple Access
EMV Joint Europay, MasterCard and Visa Standard
GPRS General Packet Radio Service
GSM Global System for Mobile Communication
HDMI High-Definition Multimedia Interface
ITP Internal Thermal Printer
LCD Liquid Crystal Display
LED Light Emitting Diode
MRA Merchandise Return Authorization
MSAM Micromodule-Size Security Access Module
PED PIN Entry Device
PIN Personal Identification Number
POS Point-of-Sale
QVGA Quarter Video Graphics Array
RJ11 Registered Jack 11
RS-232 Recommended Standard 232
R-UIM Removable User Identity Module
SAM Security Access Module
SD Secure Digital
SIM Subscriber Identity Module
TFT Thin Film Transistor
UART Universal Asynchronous Transmitter/Receiver
USB Universal Serial Bus
VPN Verifone Part Number
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