VeriFone VX 520 GPRS CTLS Installation Manual page 7

Table 2 Acronym Definitions
Acronym Definitions
LCD Liquid Crystal Display
LED Light Emitting Diode
MRA Merchandise Return Authorization
MSAM Micromodule-Size Security Access Module
PCI Payment Card Industry
PED PIN-Entry Devices
PIN Personal Identification Number
RAM Random Access Memory
RJ-11 Registered Jack 11
RJ-45 Registered Jack 45
RS-232 Recommended Standard 232
SAM Security Access Module
SIM Subscriber Identity Module
VPN VeriFone Part Number
(continued)
VX 520 GPRS CTLS I
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REFACE
Conventions and Acronyms
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